| 拡張子 |
説明 |
主な使用ソフトウェア |
種類
|
###
|
テンポラリーファイル
|
各プログラムに依存
|
|
#24
|
プリンターデータ
|
LocoScript
|
|
#IB
|
プリンターデータ
|
LocoScript
|
|
#nn
|
ファイルイメージの一部
|
Long
|
|
#SC
|
プリンターデータ
|
LocoScript
|
|
#ST
|
プリンター定義
|
LocoScript
|
|
$$$
|
OS/2アーカイブファイル (例： archives.$$$, keys.$$$)
|
OS/2
|
アーカイブ
|
$$$
|
テンポラリーファイル
|
|
|
$?
|
ZX Spectrumファイル
|
|
|
$00
|
パイプファイル
|
DOS
|
|
$DB
|
テンポラリーファイル
|
dBASE IV
|
|
$ED
|
エディターのテンポラリーファイル
|
MS C
|
|
$O1
|
パイプファイル
|
DOS
|
|
$VM
|
バーチャルマネージャのテンポラリーファイル
|
Windows 3.x
|
|
)2(
|
LHAのテンポラリーファイル
|
LHA
|
|
??$
|
バックアップファイル
|
P-CAD
|
|
??_
|
Microsoftのパック化ファイル
|
Expand
|
アーカイブ
|
?DK
|
ディスクイメージ
|
Loaddskf.exe
|
アーカイブ
|
?UT
|
非パックのFTNメール
|
FTN software
|
|
!ut
|
未完成のµTorrentダウンロード
|
µTorrent
|
|
___
|
Adinfテーブル
|
Adinf
|
|
EX_
|
圧縮された実行可能ファイル(拡張子の先頭2文字は、圧縮前の拡張子の先頭2文字である（例：BMP を圧縮すると BM_ となる）。この方式のファイル圧縮は、マイクロソフトがCD-ROMやフロッピーディスク用に使用している)
|
EXPAND
|
|
?Q?
|
CP/MやMS-DOSのSqueeze
|
|
|
~$~
|
テンポラリーファイル
|
1st Reader
|
|
~??
|
古いバックアップファイル（例：MNU が ~MN になる）
|
Resource Workshop - Borland Delphi
|
|
~H
|
Cardfileのヒープ
|
AZZ Cardfile
|
|
μ
|
Metrowerks（英語版） Codewarriorプロジェクト
|
|
|
Π
|
THINK C（英語版）プロジェクト
|
|
|
@@1, @@2, etc.
|
Hidownloadのテンポラリーファイル
|
Hidownload
|
|
0
|
圧縮されたハードディスクデータ
|
DoubleSpace
|
|
0B
|
プリンター用フォント
|
PageMaker
|
|
001, 002, ...
|
あるファイルの分割ファイル
|
HJSplit, JJSplit, split (数字サフィックス使用時)
|
|
1
|
ファックス
|
|
|
1
|
ファックス
|
多数
|
|
1
|
Roff/nroff/troff/groffソース
|
cawf2.zip
|
|
123
|
表計算
|
Lotus 1-2-3 バージョン9、バージョン97
|
表計算
|
15U
|
プリンターフォント
|
PageMaker
|
|
1ST
|
通常はテキストファイルの「README.1ST」(最初に読むファイル)
|
多数
|
文書
|
2GR
|
286グラバーファイル
|
Windows
|
|
301
|
ファックス
|
Super FAX 2000 - Fax-Mail 96
|
|
386
|
Intel 80386 processorドライバー
|
Windows 3.x
|
|
386
|
Windowsの仮想デバイスドライバー
|
Windows
|
|
3DMF
|
QuickDraw 3Dメタファイル
|
QuickDraw
|
|
3DS
|
3D Studioグラフィックスフォント
|
3D Studio
|
|
3DT
|
データベースファイル
|
3D Topicscape
|
|
3FX
|
エフェクト
|
CorelChart
|
|
3GR
|
386グラバーファイル
|
Windows
|
|
|
|
Mobile Phone Video
|
|
|
3T4
|
バイナリからASCIIへのファイル変換
|
Util3
|
|
4C$
|
データファイル
|
4Cast/2
|
|
4MD
|
音楽ファイル
|
|
音声
|
4SW
|
4DOSのスワップファイル
|
4DOS
|
|
4TH
|
FORTHのソースコードファイル
|
ForthCMP - LMI Forth
|
|
555
|
イメージファイル
|
Sierra Entertainment
|
|
668
|
音楽ファイル
|
|
音声
|
669
|
音楽ファイル
|
The 669 Composer
|
音声
|
6CM
|
音楽ファイル
|
Triton FastTracker
|
音声
|
75
|
75x75 dpi ディスプレイフォント
|
Ventura Publisher
|
|
7z
|
7-Zipペッドファイル
|
アーカイブ
|
|
8
|
A86 ソースコードファイル
|
|
|
85
|
ディスプレイフォント
|
Ventura Publisher
|
|
8BF
|
Adobe Photoshopの互換フィルター、プラグイン
|
|
|
8CM
|
音楽ファイル
|
Triton FastTracker
|
音声
|
8M
|
プリンターフォント
|
PageMaker
|
|
8U
|
プリンターフォント
|
PageMaker
|
|
89p
|
実行プログラム
|
TI Connect
|
|
8xp
|
実行プログラム
|
TI Connect
|
|
91
|
ディスプレイフォント
|
Ventura Publisher
|
|
96
|
ディスプレイフォント
|
Ventura Publisher
|
|
A
|
ADA[要曖昧さ回避]ソースコードファイル
|
|
|
A
|
ライブラリ
|
unix
|
|
A##
|
AlZip 圧縮ファイルの一部
|
|
|
A11
|
Graphics AIIMイメージファイル
|
|
|
A80
|
ソースファイル
|
|
|
AA, AB, ...
|
あるファイルの分割ファイル
|
split
|
|
AAC
|
Advanced Audio Coding （音楽ファイルの標準の1つ）
|
|
音声
|
AAF
|
AutoPatcherファイル
|
|
|
AAF
|
Advanced Authoring Format
|
|
|
AAS
|
Animation Play Script
|
AAPlay
|
|
AB6
|
データファイル
|
ABStat
|
|
AB8
|
データファイル
|
ABStat
|
|
ABC
|
ドキュメント
|
ABC FlowCharter 1.0
|
|
ABP
|
データ
|
ABComp 圧縮ファイル
|
|
ABP
|
AVS Barcode Profile
|
AVS Barcodeソース
|
|
ABF
|
Adobe Binary Screen Font
|
Adobe Systems Software
|
|
ABK
|
Automaticバックアップファイル
|
CorelDRAW
|
|
ABM
|
イメージアルバムファイル
|
|
|
ABM
|
アルバムファイル
|
多数
|
|
ABR
|
Adobe Brushファイル
|
PhotoShop
|
|
ABS
|
Abstracts (情報ファイル)
|
|
|
ABS
|
データファイル
|
Abscissa
|
|
AC
|
プロジェクトバックアップ
|
Audit Command Language (ACL)
|
|
ACA
|
プロジェクト
|
Project Manager Workbench
|
|
ACB
|
アーカイブ
|
ACB
|
アーカイブ
|
ACB
|
ACMBを参照
|
|
|
ACC
|
プログラム (DR-DOS - ViewMax)
|
GEM / resident
|
|
ACCDA
|
データファイル
|
Microsoft Access Database Wizard (Open XML)
|
|
ACCDB
|
データファイル
|
Microsoft Access Database (Open XML)
|
|
ACCDE
|
データファイル
|
Microsoft Access Database Wizard (Open XML)
|
|
ACCDT
|
データファイル
|
Microsoft Access Database Template (Open XML)
|
|
ACCDU
|
データファイル
|
Microsoft Access Database Wizard (Open XML)
|
|
ACE
|
アーカイブ
|
ACE
|
アーカイブ
|
ACF
|
Adobe Custom Filter
|
PhotoShop
|
|
ACL
|
プロジェクト
|
Audit Command Language (ACL)
|
|
ACL
|
AutoCorrect List
|
Microsoft Office
|
|
ACM
|
Audio Compression Module add-on
|
Windows
|
|
ACMB
|
グラフィックファイル
|
|
|
ACO
|
Adobe Color Palette
|
|
|
ACT
|
ACTORソースコードファイル
|
ACTOR
|
|
ACT
|
Animations Works Actor (Graphics cell)
|
Animation Works
|
|
ACT
|
FoxDoc Action Diagrams
|
FoxPro
|
|
ACT
|
プレゼンテーション
|
Action!
|
|
AD
|
AfterDarkスクリーンセーバーのモジュール
|
AfterDark
|
|
AD2
|
ADPCM音声ファイル(2ビット)
|
ZFAX
|
|
AD3
|
ADPCM音声ファイル(3ビット)
|
ZFAX
|
|
ADA
|
Adaソースコードファイル
|
|
|
ADB
|
Ada Package Body
|
|
|
ADC
|
ビットマップ
|
Scanstudio
|
|
ADC
|
ディレクトリー
|
Lingvo
|
|
ADD
|
OS/2アダプターデバイスドライバー
|
|
|
ADF
|
Amigaディスクファイル
|
unADF, UAE, WinUAEなど
|
|
ADG
|
データファイル
|
ADG 3D Scene
|
|
ADI
|
グラフィックファイル
|
AutoCAD
|
|
ADI
|
データベースのインデックスファイル
|
Advantage Database Server
|
|
ADICHT
|
LabChartデータ獲得ファイル
|
ADInstruments
|
|
ADL
|
MCAアダプター記述ライブラリー
|
QEMM
|
|
ADM
|
After Darkサポートファイル
|
AfterDark
|
|
ADM
|
ADEMファイルフォーマット
|
ADEM
|
|
ADI
|
Databaseメモファイル
|
Advantage Database Server
|
|
ADN
|
アドイン
|
Lotus 1-2-3
|
|
ADR
|
After Darkサポートファイル
|
AfterDark
|
|
ADS
|
Adaパッケージ仕様
|
|
|
ADT
|
データファイル
|
HP NewWave
|
|
ADT
|
ディクショナリー
|
Lingvo
|
|
ADT
|
ファックス
|
AdTech
|
|
ADI
|
データベース
|
Advantage Database Server
|
|
ADV
|
GUSデバイスドライバー
|
Gf166.com
|
ADX
|
ドキュメント
|
Archetype Designer
|
|
ADZ
|
Amiga Disk Zipped (en:Amiga Disk File参照)
|
GZip
|
|
AEP
|
After Effectsプロジェクトファイル
|
Adobe After Effects
|
|
AF2
|
Flowchart
|
ABC FlowCharter 2.0
|
|
AF3
|
Flowchart
|
ABC FlowCharter 3.0
|
|
AFI
|
Truevisionビットマップ
|
|
|
AFL
|
フォントファイル
|
Lotus 1-2-3
|
|
AFM
|
データファイル
|
HP NewWave
|
|
AFM
|
Type 1 font metric （ASCIIデータ）
|
ATM - many
|
|
AFP
|
Shape palette
|
ABC FlowCharter
|
|
AFT
|
テンプレート
|
ABC FlowCharter 3.0
|
|
AFW
|
ワークスペース
|
ABC FlowCharter 3.0
|
|
AGR
|
ArcView ASCII grid
|
|
|
AHK
|
AutoHotkey分割ファイル
|
AutoHotkey
|
|
AI
|
Vector graphics file
|
Adobe Illustrator
|
|
AIF
|
see AIFF
|
|
|
AIFC
|
圧縮されたen:Audio Interchange File Format
|
|
|
AIFF
|
Audio Interchange File Format
|
Convert (c) Villena
|
音声
|
|
AiM
|
Asm Text Mode Image File
|
The Ultimate Draw
|
|
AIN
|
アーカイブ
|
AIN
|
アーカイブ
|
AIN
|
Job schedule
|
AutoIntern
|
|
AIO
|
APLファイル変換ファイル
|
|
|
AIS
|
Array of Intensity Samples graphics file
|
Xerox
|
|
AIX
|
カードファイル用のデータファイル
|
HP NewWave
|
|
ALC
|
Molecular coordinates
|
Alchemy, RasMol
|
|
ALG
|
Activity Log
|
ARCSOLO
|
|
ALE
|
Avid Log Exchange (フィルム・ビデオ編集用)
|
Avid
|
|
ALL
|
Arts & Letters symbol and font files
|
Arts & Letters
|
|
ALL
|
全ファイルのファイルリスト
|
FRQView
|
|
ALL
|
フォーマットファイル
|
Always
|
|
ALL
|
プリンター情報
|
WordPerfect for Win
|
|
ALO
|
Almanac support file
|
|
|
ALT
|
メニューファイル
|
WordPerfect Library
|
|
ALZ
|
AlZip圧縮ファイル
|
|
|
AMD
|
データベース
|
Siemens Maxum Chromatograph
|
|
AMF
|
音楽ファイル (Advanced Module Format)
|
DMP
|
音声
|
AMG
|
アーカイブ
|
AMGC
|
アーカイブ
|
AMG
|
イメージファイル
|
ACTOR
|
|
AML
|
AutomationML
|
AutomationML Group
|
|
AMR
|
音声ファイル
|
|
|
AMS
|
Adobe Monitor Setup calibration file
|
PhotoShop
|
|
AMS
|
音楽ファイル
|
|
音声
|
ANA
|
Lumina Decision Systems Analyticaファイル
|
|
|
ANI
|
アニメーションカーソル
|
Windows 95 - WinNT
|
|
ANI
|
アニメーション
|
IconAuthor
|
|
ANM
|
アニメーション
|
Deluxe Paint Animator
|
|
ANN
|
Help Annotations
|
Windows 3.x
|
|
Ann
|
Multi volume ARJ archive
|
ARJ
|
|
ANS
|
ANSI character graphics (animation) file
|
ANSView
|
|
ANS
|
ASCII text ANSI character set
|
NewWave Write
|
|
AOL
|
America On-line for Windows DLL
|
Windows
|
|
AOS
|
Add-On Software
|
Nokia 9000
|
|
AP
|
アーカイブ
|
WHAP
|
アーカイブ
|
AP
|
Datafile
|
Datalex EntryPoint 90
|
|
APC
|
プリンタードライバ
|
Lotus 1-2-3
|
|
APD
|
プリンタードライバ
|
Lotus 1-2-3
|
|
APE
|
Monkey's Audio (Lossless)
|
audio media players
|
|
APF
|
プリンタードライバ
|
Lotus 1-2-3
|
|
API
|
Adobe Printer Ink file for PhotoShop
|
PhotoShop
|
|
API
|
Passed parameter file
|
1st Reader
|
|
API
|
プリンタードライバ
|
Lotus 1-2-3
|
|
APL
|
APL work space format file
|
|
|
APL
|
Manugraphics APL productsのサポートモジュール
|
Manugraphics APL products
|
|
APM
|
Authorware Macintosh
|
Authorware
|
|
APP
|
Add-in application file
|
Symphony
|
|
APP
|
Application object file
|
dBASE Application Generator
|
|
APP
|
Application
|
FoxPro
|
|
APP
|
Application and Application Bundle
|
macOS
|
|
APP
|
Executable workflow / macro file
|
Automator
|
|
APP
|
Executable application file
|
DR-DOS - NeXTstep - Atari
|
|
APP
|
Generated application
|
FoxPro
|
|
APR
|
Employee performance review
|
Employee Appraiser
|
|
APW
|
Authorware Windows
|
Authorware
|
|
APX
|
Appexpert database file
|
Borland C++ 4.5
|
|
AR
|
Argon - for 3D Modeling
|
Ashlar-Vellum
|
|
AR7
|
Archive
|
AR7
|
アーカイブ
|
ARC
|
Archive
|
ARC - PKARC/PKXARC - PKPAS - PKUNPAK - QUARK
|
アーカイブ
|
ARC
|
Archive
|
SQUASH
|
アーカイブ
|
ARD
|
Map
|
Holux - Alan
|
|
ARF
|
Automatic Response File
|
|
|
ARH
|
Archivers definitions file
|
DN
|
|
ARI
|
Archive
|
ARI
|
アーカイブ
|
ARJ
|
Archive
|
ARJ - ARJZ
|
アーカイブ
|
ARK
|
ARC archive
|
CP/M port of ARC file archiver
|
アーカイブ
|
ARK
|
Archive
|
QUARK
|
アーカイブ
|
ARK
|
Managing your Money Archive File
|
|
|
ARR
|
Arrangement
|
Atari Cubase
|
|
ART
|
Gerber artwork
|
Cadence Allegro
|
|
ART
|
First Publisher, Designworks, Greenstreet Draw graphic file
|
All GST/Greenstreet Draw products
|
|
ART
|
Graphics (scrapbook)
|
Art Import
|
|
ART
|
Graphics format (Another Ray Tracer)
|
PFS:1st publisher - Art Import
|
|
ARX
|
Archive
|
ARX
|
アーカイブ
|
ASC
|
ASCII text file
|
|
文書
|
ASC
|
Transport armor file
|
PGP
|
|
ASD
|
Autosave file
|
Microsoft Word
|
|
ASD
|
Presentation
|
Astound
|
|
ASD
|
Screen driver
|
Lotus 1-2-3
|
|
ASE
|
Velvet Studio Sample
|
AWAVE
|
|
ASE
|
ASCII Scene Export
|
3D Studio
|
|
ASF
|
Datafile
|
STATGRAPHICS
|
|
ASF
|
Screen font
|
Lotus 1-2-3
|
|
ASF
|
Advanced Streaming Format (Compressed Windows audio/video)
|
Microsoft Corporation
|
音声/動画
|
ASK
|
SYSGEN answer file
|
RT-11
|
|
ASH
|
Assembly language header file
|
TASM 3.0
|
ASI
|
ASIC language source
|
ASIC
|
|
ASI
|
Assembler include file
|
Turbo C - Borland C++
|
ASM
|
アセンブリ言語ソース
|
TASM, MASM, NASM, Yasm, FASM
|
ASMX
|
ASP.NET Web Service
|
Microsoft Corporation
|
ASO
|
Assembler object (object-oriented) file
|
Turbo Assembler
|
ASP
|
ASPECT source code file
|
Procomm Plus
|
ASP
|
Association of Shareware Professionals OMBUDSMN.ASP notice
|
|
ASP
|
Active Server Pages (Microsoft.Net)
|
Microsoft.Net製品
|
ASPX
|
ActiveX Server Pages (Microsoft.Net)
|
Microsoft.Net製品
|
ASS
|
Amalgam Scene Specification
|
Halo 2 Map Editor
|
ASS
|
Advanced SubStation Alpha (Subtitles)
|
|
AST
|
Adobe Color Separation table for PhotoShop
|
PhotoShop
|
ASW
|
Authorware Star
|
Authorware
|
ASX
|
Advanced Stream Redirector file (ASFも参照)
|
Microsoft Corporation
|
ASZ
|
Skin
|
AltDesk
|
AT2
|
Auto template
|
Aldus Persuasion 2.0
|
AT3
|
Atrac 3 Sound/music file
|
Atrac 3+仕様の全ての機器やソフトウェア
|
ATM
|
Adobe Type Manager data/info
|
|
ATN
|
Adobe Photoshop action
|
Adobe Photoshop
|
ATT
|
AT&T Group
|
GCGW
|
ATY
|
3D Topicscapeのエクスポートファイル
|
3D Topicscape
|
AU
|
Sun/NeXT/DEC Audio file
|
AWAVE, GoldWave
|
音声
|
AU
|
Sound (audio) file
|
Sun Microsystems - Convert (c) Villena
|
音声
|
AUD
|
Audio file
|
AudioRack
|
音声
|
AUP
|
Audacity project file
|
Audacity
|
AUX
|
Auxiliary dictionary
|
ChiWriter
|
AUX
|
Auxiliary references
|
TeX/LaTeX
|
AUZ
|
Ableton Live File
|
Authorization File for Ableton Live
|
AVA
|
Publication
|
Avagio
|
AVB
|
AntiViral Toolkit Pro Bases
|
|
AVI
|
Audio Video Interleaved animation file
|
Video for Windows、他多数
|
動画
|
AVR
|
Audio Visual Research
|
AWAVE
|
AVS
|
Audio Video Software
|
AVS Video Editor (video editing software)
|
AVT
|
AVATAR-coding files
|
A3E
|
AW
|
Text file
|
HP AdvanceWrite
|
文書
|
AWA
|
Animations Works Accelerated Movie
|
Animation Works
|
動画
|
AWD
|
Microsoft Fax At Work Document
|
Microsoft Fax At Work
|
AWK
|
AWK script/program
|
|
AWM
|
Animations Works Movie (as .AVI)
|
Animation Works
|
AWS
|
Data
|
STATGRAPHICS
|
Ax
|
Directshow filter file format
|
|
AXF
|
ARM Executable Image
|
ARM tools
|
AXM
|
Axmedis object
|
Axmedis Tools
|
AZD
|
Amazon Software Download
|
Amazon Software Download
|
AZW
|
DRM enabled eBook
|
Amazon Kindle
|
AZZ
|
Data file
|
AZZ Cardfile
|
B&W
|
Black and white graphics file
|
atari - mac
|
B&W
|
Mono binary screen image
|
1st Reader
|
B
|
Batch list
|
APPLAUSE
|
B
|
Brainfuckソースコード
|
|
B_W
|
Black and white graphics file
|
atari - mac
|
B1N
|
スクリーンイメージ
|
1st Reader
|
B30
|
Printer font (JLaser - Cordata)
|
Ventura Publisher
|
B8
|
Raw graphics file
|
PicLab
|
BA
|
Binary Archive
|
Scifer Archiver and Compression [External Header Mode]
|
アーカイブ
|
BAC
|
Compiled BASIC
|
RT-11 BASIC-11
|
BAD
|
Bad file
|
Oracle - 多数
|
BAD
|
ディスクのバッドブロックを変換したファイル（移動不可）
|
RT-11
|
BAK
|
Backup file
|
|
BAL
|
Music score
|
Ballade
|
BALANCE
|
Balance accounting sheet file
|
Balance
|
BAR
|
Horizontal bar menu object file
|
dBASE Application Generator
|
BAR
|
Info Bar for GFX2EXE
|
GFX2EXE
|
BAR
|
ブローカーのアーカイブ[1]
|
IBM WebSphere Message Broker
|
アーカイブ
|
BAS
|
BASIC言語のソースファイル
|
QuickBASIC - GW-BASIC - FreeBASIC
|
BAT
|
バッチファイル
|
MS-DOS, RT-11
|
BB
|
データベースバックアップ
|
Papyrus
|
BBL
|
Bibliographic reference file
|
TeX/BibTeX
|
BBM
|
Brush
|
Deluxe Paint
|
BBP
|
Playlist
|
BassBox
|
BBS
|
Bulletin Board System announce またはテキストファイル
|
|
BBS
|
Hudson-style messagebase
|
FTN software
|
BC!
|
未完成のダウンロード
|
BitTorrent client
|
BCF
|
カードデータ
|
Bingo Card Creator
|
BCH
|
Batch process object file
|
dBASE Application Generator
|
BCH
|
Datafile
|
Datalex EntryPoint 90
|
BCO
|
Outline font description
|
Bitstream
|
BCP
|
Borland C++ makefile
|
|
BCT
|
Backup dictionary
|
Clarion
|
BCW
|
Environment settings
|
Borland C++ 4.5
|
BDB
|
Bookends database
|
Bookends
|
BDC
|
Dictionary
|
Lingvo
|
BDEF
|
Builder Definition
|
Websphere Portlet Factory
|
BDF
|
Adobe Glyph Bitmap Distribution Format
|
Adobe Software
|
BDF
|
Binary update file
|
BUPDATE.EXE (c) TNT Techn.
|
BDF
|
Bitmap Distribution Format font file
|
X11
|
BDF
|
Datafile
|
Egret
|
BDM
|
Videoclip
|
AVCHD
|
BDR
|
Border
|
Microsoft Publisher
|
BDT
|
Dictionary
|
Lingvo
|
BEZ
|
Outline font description
|
Bitstream
|
BF
|
Brainfuckのソースファイル
|
|
BF2
|
Bradford 2 font
|
|
BFC
|
Briefcase Win95
|
Windows 95
|
BFM
|
Font metrics
|
unix/Frame
|
BFX
|
Fax
|
BitFax
|
BGA
|
Bitmap graphics
|
|
BGI
|
Borland Graphics Interface device driver
|
Turbo C - Turbo Pascal
|
BI
|
BASIC include file
|
Visual Basic - FreeBASIC
|
BIB
|
Bibliography (ASCII)
|
|
BIB
|
Database (TeX formatとは互換性なし)
|
Papyrus
|
BIB
|
Literature database
|
TeX/BibTeX
|
BIF
|
イメージフォーマット
|
Image Capture board
|
BIK
|
Bink video file (RAD Video)
|
|
|
バイナリファイル
|
|
BIN
|
SGI Powerflip
|
|
BIN
|
Text mode memory dump
|
The Draw - TUD - ACiDDraw - etc
|
BIO
|
BioniX Wallpaper playlist file
|
BioniX Wallpaper Changer
|
BIO
|
OS/2 BIOS
|
|
BIT
|
Bitmap X11
|
|
画像
|
BK!
|
Document backup
|
WordPerfect for Win
|
BK
|
Faxbook
|
JetFax
|
BK?
|
Backup file
|
|
BKn
|
バックアップファイル
|
WordPerfect for Windows
|
BKP
|
バックアップファイル
|
Write - TurboVidion DialogDesigner
|
BKW
|
Mirror image of font set
|
FontEdit
|
BLD
|
BLoaDable picture
|
BASIC
|
BLD
|
SYSGEN Build procedure file
|
RT-11
|
BLEND
|
Blender3D Project File
|
Blender
|
BLG
|
Backup Log
|
ARCSOLO
|
BLK
|
Temporary file
|
WordPerfect for Win
|
BM
|
BitMap graphics file
|
|
BM3
|
UIQ3 Phone backup
|
|
BMK
|
Help Bookmarks
|
Windows 3.x
|
|
|
Windows、OS/2のビットマップ画像ファイル
|
QPeg、CorelDraw、PC Paintbrush、他多数
|
画像
|
BMT
|
Lotus Ami Pro Button
|
Ami Pro
|
BNA
|
Data
|
Atlas Boundary
|
BNK
|
Adlib instrument bank file
|
|
BNR
|
Graphics Banner
|
Banner - Poster
|
BOK
|
Shamela Library book
|
Shamela Library Program
|
BOO
|
Book-format
|
READIBM
|
BOO
|
圧縮されたASCIIアーカイブファイル
|
BOO (msbooasm.arc)
|
アーカイブ
|
BOO
|
Boo programming language source file.
|
Boo Programming Language
|
BOT
|
Bot files, these go with JKB files
|
Quake 3 Engine
|
BPC
|
Chart
|
Business Plan Toolkit
|
BPOLY
|
Data
|
Prisms binary 3D object
|
BPP
|
Backup application
|
Clarion
|
BPT
|
Bitmap fills file
|
CorelDRAW
|
BR
|
Script
|
Bridge
|
BRD
|
Eagle Layout File
|
|
BRD
|
Tanzzle board file
|
Tanzzle
|
BRD
|
Cadence Allegro board file
|
Cadence
|
BRK
|
Fax
|
Brooktrout Fax-Mail
|
BRK
|
The Brake! Mailer REXX script
|
The Brake!
|
BRL
|
CAD
|
Ballistic Research Laboratory CAD
|
BS2
|
Archive
|
BS2.EXE
|
BSA
|
Archive
|
BSArc
|
BSC
|
圧縮されたApple II アーカイブファイル
|
BINSCII
|
アーカイブ
|
BSC
|
Database
|
Source Browser
|
BSC
|
Pwbrmake object file
|
Microsoft Fortran
|
|
|
Half-Life\Half-Life 2 map files
|
Valve Corporation
|
BSS
|
Casio Phone base
|
PC-LINK
|
BST
|
BiblioTex file (BiblioTex=bibliography file)
|
TeX
|
BSY
|
Busy flag
|
FTN soft
|
BTM
|
Batch-to-memory (quick batch)
|
4dos -ndos
|
BTN
|
Makeover Button file
|
|
BUFR
|
Binary Universal Form for the Representation of Meteorological Data
|
BUG
|
Bugs and Problems
|
|
BUN
|
ワープロファイル
|
松
|
文書
|
BUN
|
LucasArts Bundle File
|
|
BUP
|
Backup file
|
|
BUT
|
Button definitions
|
Buttons!
|
BUY
|
Datafile format
|
movie
|
BVn
|
Overflow file below insert point in Doc n
|
WordPerfect for Win
|
BWB
|
Spreadsheet application
|
Visual Baler
|
BWR
|
Beware (buglist)
|
Kermit
|
BYU
|
BYU Movie
|
BYU
|
BZ2
|
圧縮ファイル
|
bzip2
|
BZM
|
Map
|
Blitzkrieg
|
C--
|
C—language source
|
Sphinx C--
|
C
|
C言語ソース
|
GCCなど
|
C
|
Unix file archive
|
COMPACT
|
C++
|
C++言語ソース
|
GCCなど
|
C00
|
Print file
|
Ventura Publisher
|
C01
|
Typhoon wave files
|
AWAVE
|
C86
|
C source code file
|
Computer Innovation C86
|
CA
|
Initial cache data for root domain servers
|
Telnet
|
CA?
|
Borland packed and split file
|
Borland Installer
|
|
|
Windows 95 packed file
|
Windowsほか
|
アーカイブ
|
CAC
|
dBASE IV executable(cachedb.batを参照)
|
dBASE IV
|
CAD
|
Drawing
|
BobCAD-CAM
|
CAD
|
Document
|
Drafix Windows CAD
|
CAL
|
Calendar file
|
Windows 3.x
|
CAL
|
Spreadsheet format
|
SuperCalc
|
CALS
|
Computer Aided Acquisition and Logistics
|
|
CALS
|
Support Raster Format
|
|
CAM
|
Casio Camera
|
|
CAN
|
Fax
|
Navigator Fax
|
CAP
|
Caption
|
Ventura Publisher
|
CAP
|
Capture file
|
ProComm - Telix
|
CAS
|
C + ASM language source
|
Turbo C
|
CAT
|
Catalog
|
CP Backup - dBASE IV
|
CAT
|
Device driver digital signature
|
Microsoft Windows
|
CAT
|
Stellarium Star Catalogue
|
Stellarium
|
CATDrawing
|
Drawing file of CATIA V5
|
CATIA V5
|
CATPart
|
Part file of CATIA V5
|
CATIA V5
|
CATProduct
|
Assembly file of CATIA V5
|
CATIA V5
|
CATS
|
Combined source
|
ATS
|
CBA
|
Source code
|
Creative BASIC
|
CBC
|
Fuzzy logic system
|
CubiCalc
|
CBL
|
COBOLソースファイル
|
|
CBM
|
Compiled bitmap graphics
|
XLib
|
CBR
|
Comic Book Reader (RAR file)
|
CDisplay and similar
|
CBS
|
MasterWord button bar configuration file
|
|
CBT
|
Computer Based Training
|
many
|
CBZ
|
Comic Book Reader (ZIP file)
|
CDisplay and similar
|
CC
|
C++言語ソース
|
GCCなど
|
CC
|
CC language source
|
CC
|
CCC
|
Bitmap graphics (native format)
|
Curtain Call
|
CCF
|
Communications configuration file
|
Symphony
|
CCH
|
Chart
|
CorelChart
|
CCITT
|
CCITT Group 3 and Group 4 Encoding
|
|
CCL
|
Communication Command Language file
|
Intalk
|
CCO
|
BTX Graphics file
|
XBTX
|
CCT
|
Print Template
|
BobCAD-CAM
|
CD
|
CD description
|
DN
|
CDA
|
CD-Audio
|
Windows 95
|
CDB
|
Card database
|
CardScan
|
CDB
|
Main database
|
TCU Turbo C Utilities
|
CDF
|
Common Data Format
|
|
CDF
|
Cyberspace Description Format
|
|
CDF
|
Graphics
|
netcdf
|
CDK
|
Document
|
Atari Calamus
|
CDL
|
CADKey CADL Language
|
CADKey
|
CDM
|
Disk Drivers NPA
|
Novell NetWare
|
CDM
|
Music format (compressed)
|
|
CDR
|
Vector graphics format (drawing)
|
CorelDraw!
|
CDT
|
Corel Draw Template File
|
CorelDraw!
|
CDX
|
Compound index file
|
Visual FoxPro, Advantage Database Server
|
CE
|
Computer Eyes
|
Conversion Artist
|
CE
|
Main.ce
|
The FarSide Computer Calendar
|
CEB
|
Cont. Edge Bitmap
|
Conversion Artist
|
CEF
|
CA-Clipper Workbench Application
|
CA Clipper
|
CEF
|
Export File
|
|
CEF
|
Compact Embedded Font
|
Adobe Illustrator
|
CEG
|
Bitmap graphics
|
Tempra Show - Edsun Continuous Edge Graphics
|
CEL
|
Animation CEL
|
3D Studio
|
CEL
|
Graphics
|
Autodesk Animator - Lumena
|
CF
|
Configuration file
|
imake
|
CFG
|
Configuration file
|
|
| ColdFusion Component
|
Adobe ColdFusion
|
CFG
|
設定ファイル
|
|
CFL
|
Chart
|
CorelFLOW
|
CFM
|
ColdFusion Markup Language
|
Adobe ColdFusion
|
CFN
|
Font data
|
Atari Calamus
|
CFO
|
C Form Object internal format object file
|
TCU Turbo C Utilities
|
CFP
|
Fax
|
The Complete Fax Portable
|
CFT
|
CFast graphics file
|
Disney Animation Studio
|
CGA
|
CGA display font
|
Ventura Publisher
|
CGI
|
Common Gateway Interface script
|
|
CGM
|
Computer Graphics Metafile vector graphics
|
A&L - HG - many
|
CH
|
Clipper language header
|
CA Clipper
|
CH3
|
Chart
|
Harvard Graphics 3.0
|
CH4
|
Presentation
|
Charisma 4.0
|
CHD
|
Font descriptor
|
FontChameleon
|
CHI
|
ChiWriter Document
|
ChiWriter - Chiview
|
CHK
|
Recovered data
|
DOS CHKDSK
|
CHK
|
Temporary file
|
WordPerfect for Win
|
CHL
|
Configuration History Log
|
|
|
|
コンパイル済みHTMLヘルプ
|
Microsoft Windows, Help Explorer Viewer
|
|
|
Encrypted Data File
|
Krasbit Technologies, Chameleon Imaging Workflow Software
|
CHN
|
Data
|
Ethnograph 3
|
CHP
|
Chapter file
|
Ventura Publisher
|
CHR
|
Character set
|
Turbo C - Turbo Pascal
|
CHT
|
Chart
|
Harvard Graphics 2.0 - SoftCraft Presenter
|
CHT
|
CHeaT in any program/game
|
many
|
CHT
|
Interface file for ChartMaster
|
dBASE
|
CHZ
|
Archive
|
CHARC
|
CIF
|
Caltech Intermediate Format graphics file
|
|
CIF
|
Chapter information
|
Ventura Publisher
|
CIF
|
Crystallographic Information File
|
RasMol, Jmol
|
CiM
|
C Text Mode Image File
|
The Ultimate Draw
|
CIX
|
Database index
|
TCU Turbo C Utilities
|
CKB
|
Borland C++ 4.x editor keystroke mapping
|
BCW.EXE
|
CL
|
COMMON LISP source code file
|
|
CLA
|
Source
|
Clarion
|
CLASS
|
Java classファイル
|
Java
|
CLD
|
Clipper debugger configuration file
|
CA Clipper
|
CLP
|
Clip art graphics file
|
Quattro Pro
|
CLP
|
Windows クリップボードファイル
|
Windows 3.x
|
CLP
|
Compiler response file
|
CA Clipper
|
CLP
|
Graphics format
|
PCPAINT/Pictor
|
CLR
|
Color binary screen image
|
1st Reader
|
CLR
|
Color definitions
|
Photostyler
|
CLR
|
Color scheme
|
Boxer/2
|
CLR
|
Palette file for GIS format
|
|
CLS
|
C++ class definition file
|
|
CLW
|
MFC Class Wizard information
|
Microsoft VC++
|
CM
|
Data file
|
CraftMan
|
CMB
|
Xtree for Windows Button Bar file
|
|
CMD
|
Command
|
dBASE - Waffle
|
CMD
|
コマンドプロンプト バッチファイル
|
Microsoft Windows NT based operating systems
|
|
|
executable programs
|
CP/M-86 operating system
|
CMD
|
External command menu
|
1st Reader
|
CMD
|
OS/2 batch/REXX file
|
OS/2
|
CMF
|
FM-music file (Creative Music File)
|
|
CMK
|
Card
|
Card Shop Plus
|
CMM
|
CMM script (batch) file
|
CEnvi
|
CMP
|
Bitmap graphics (Lead CMP compression)
|
|
CMP
|
Compressed data
|
PKWare Inc. data compression library
|
CMP
|
Header file for PostScript printer files
|
CorelDRAW
|
CMP
|
Photofinish Calibration Map
|
Photofinish
|
CMP
|
User dictionary
|
Microsoft Word for DOS
|
CMRL
|
Concise message routing language
|
DOTGO
|
CMS
|
Content Management System
|
Any Web Browser
|
CMU
|
Carnegie Mellon University Formats
|
|
CMV
|
Animation (CorelMove CorelDraw 4.0)
|
CorelMove CorelDraw 4.0
|
CNC
|
CNC general program data
|
|
CND
|
System generation conditional file
|
RT-11
|
CNF
|
Configuration (program - printer setup)
|
program - printer setup
|
CNF
|
Configuration file
|
|
CNV
|
Temporary file
|
WordPerfect for Win
|
CNV
|
Windowsword DLL used as part of an import operation (CNV=converter)
|
Microsoft Word
|
CO
|
Cobalt - parametric drafting and 3D modeling
|
Ashlar-Vellum
|
COB
|
Calgari trueSpace2 File Format
|
|
COB
|
COBOL ソースファイル
|
|
COD
|
Code definition table
|
UUPC
|
COD
|
Datafile
|
Forecast Plus - Microsoft Multiplan - StatPac Gold
|
COD
|
file uncluding CODES for any program/game
|
many
|
COD
|
Printer code definition file
|
Boxer/2
|
COD
|
Program compiled code
|
FORTRAN
|
COD
|
Template source file
|
dBASE Application Generator
|
COD
|
Videotext file
|
|
COE
|
Coefficient file
|
Xilinx ISE
|
COF
|
Animation Control File
|
Diablo II
|
COL
|
Color palette
|
Autodesk Animator - many
|
COL
|
Spreadsheet
|
Microsoft Multiplan
|
|
|
コマンドファイル
|
DOS
|
COM
|
Indirect command file (sequence of commands to be executed)
|
RT-11
|
CON
|
Configuration file
|
Simdir
|
CON
|
MSTS Consist file
|
MSTS
|
CPC
|
Compressed image
|
Cartesian Perceptual Compression
|
CPD
|
Script
|
Complaints Desk
|
CPF
|
Fax
|
The Complete Fax
|
CPI
|
イメージファイル
|
ColorLab
|
CPI
|
MS-DOS codepage file
|
MODE.EXE
|
CPL
|
コントロールパネルファイル
|
Windows 3.x
|
CPL
|
Presentation
|
Compel
|
CPMZ
|
ConPro/Miradi Zipfile
|
Miradi and ConPro
|
CPP
|
C++言語ソース
|
GCCなど
|
CPP
|
Presentation
|
CA-Cricket Presents
|
CPR
|
Knowledge Access
|
GCGW
|
CPS
|
backup of startup files
|
QEMM (?) autoexec.cps
|
CPT
|
Encrypted memo file
|
dBASE
|
CPT
|
Mac file archive
|
COMPACT PRO
|
アーカイブ
|
CPT
|
Template
|
CA-Cricket Presents
|
CPZ
|
Music text file
|
COMPOZ
|
CR2
|
Raw image format
|
Canon digital cameras
|
CRA
|
Advanced crack file (usually text)
|
|
CRD
|
Cardfile
|
Windows 3.x - YourWay
|
CRD
|
Map
|
Holux - Alan
|
CRD
|
Molecular coordinates
|
CHARMM, RasMol
|
CRF
|
Cross-reference
|
Microsoft MASM - Zortech C++, RT-11 CREF
|
CRK
|
Crack file (usually text)
|
|
CRP
|
Encrypted database
|
dBASE IV
|
CRS
|
File Conversion Resource
|
WordPerfect 5.1
|
CRT
|
Terminal settings information
|
Oracle
|
CRU
|
Compressed file archive created by CRUSH
|
|
CS
|
C#ソースファイル
|
C#
|
CSD
|
Compact Shared Document
|
Dream To Reality [1]
|
CSG
|
Batch file (Submit)
|
ISIS/w
|
CSG
|
Graph
|
Statistica/w
|
CSM
|
Borland C++ 4.x precompiled header file
|
BCW.EXE
|
CSP
|
PC Emcee Screen Image file
|
Computer Support Corporation
|
CSS
|
Datafile
|
CSS - Stats+
|
CSS
|
Datasheet
|
Statistica/w
|
CSS
|
カスケーディング スタイル シート
|
|
CSV
|
Adjusted EGA[要曖昧さ回避]/VGA[要曖昧さ回避] palette
|
CompuShow
|
CSV
|
Comma Separated Values text file format (ASCII)
|
|
CTC
|
Control file
|
PC Installer
|
CTF
|
Character code translation file
|
Symphony
|
CTK
|
CommonTime Key file
|
CommonTime software applications
|
CTL
|
Control file
|
dBASE IV - Aldus Setup
|
CTL
|
BATCHコントロールファイル
|
RT-11
|
CTT
|
BATCH Temporary file
|
RT-11
|
CTX
|
Ciphertext file
|
Pretty Good Privacy RSA System
|
CTX
|
Course TeXt file
|
some Microsoft online guides
|
CTX
|
document
|
Creativyst Table eXchange
|
CUF
|
C Utilities Form definition
|
TCU Turbo C Utilities
|
CUR
|
Windowsリソース (マウスカーソルの画像ファイル)
|
Resource Workshop - WRT - Watcom Resource Editor
|
CUT
|
Graphics format (bitmapped graphics)
|
dr. Halo
|
CV4
|
Color file
|
CodeView
|
CVP
|
Cover page
|
WindowsFax
|
CVS
|
Graphics
|
Canvas
|
CVT
|
Backup file for CONVERTed database file
|
dBASE IV
|
CVW
|
Color file
|
CodeView
|
CWEB
|
C Web
|
|
CWK
|
Datafile
|
ClarisWorks, Appleworks
|
CXX
|
C++ソースファイル
|
Zortech C++
|
D
|
D言語ソースファイル
|
DMD
|
D4D
|
Data
|
Draw 4D object
|
D4P
|
Data
|
Draw 4D Pro object
|
D64
|
コモドール64 disk image
|
DAA
|
Direct Access Archive
|
|
DAF
|
Data file
|
Digital Anchor
|
DAT
|
Maxum chromatograph chromatogram
|
Siemens Maxum Chromatograph
|
DAT
|
Document
|
Microsoft Word Format (old)
|
文書
|
DAT
|
data
|
RSNetWorx Project
|
DAT
|
Data file in special format or ASCII
|
|
DAT
|
Database file
|
Clarion (programming language)
|
DAT
|
光ディスクのイメージファイル
|
cdrdao, burnatonce
|
DAT
|
Video CD MPEG stream
|
|
DATS
|
Dynamic source
|
ATS
|
DB$
|
Temperature debug info
|
Clarion Modula-2
|
DB$
|
Temporary file
|
dBASE
|
DB
|
Database file
|
Paradox - XTreeGold - dbvista
|
DB
|
Configuration
|
dBASE IV - dBFast
|
DB
|
Multi Edit config
|
ME
|
DB2
|
Database
|
dBASE II
|
DB3
|
Database
|
dBASE III
|
DBA
|
Database file
|
Turbo Prolog - DataEase
|
DBA
|
DarkBasic source code
|
DBC
|
DataBaseContainer
|
Visual FoxPro
|
DBD
|
Business data
|
Business Insight
|
DBD
|
Debug info
|
Clarion Modula-2
|
DBF
|
Database file
|
dBASE III/IV - Visual FoxPro - dBFast - DataBoss - DBVista - CA-Clipper - Visual Objects - Alaska Xbase++ -
Advantage Database Server
|
DBG
|
Debugger script
|
DOS debug - Watcom debugger
|
DBG
|
Symbolic debugging information
|
Microsoft C/C++
|
DBK
|
Database backup
|
dBASE IV
|
DBL
|
DIBOL source file
|
|
DBM
|
Datafile
|
DataEase
|
DBM
|
Menu template
|
DataBoss
|
DBO
|
Compiled program
|
dBASE IV
|
DBPro
|
DarkBasicPro Project
|
DBS
|
Data file used by Managing Your Money
|
|
DBS
|
Database in SQL Windows format
|
|
DBS
|
Datafile
|
PRODAS
|
DBS
|
Printer description file
|
Microsoft Word, Microsoft Works
|
DBT
|
FoxBASE+ style memo
|
FoxPro 2.x
|
DBT
|
Memo file for database w/same name
|
dBASE IV - dBFast
|
DBW
|
Windows file
|
DataBoss
|
DBX
|
DataBeam
|
GCGW
|
DBX
|
AutoCAD Database
|
AutoCAD
|
DBX
|
Archive File
|
Outlook Express
|
DC
|
CAD drawing file
|
DesignCAD 3000 for Windows
|
DC6
|
Image file
|
Diablo II
|
DCA
|
Document Content Architecture text file
|
IBM DisplayWrite
|
DCC
|
Animation
|
Diablo II
|
DCD
|
CAD Drawing File
|
DesignCAD 3DMax for Windows
|
DCF
|
floppy disk image
|
Disk Copy Fast
|
DCH
|
Schematic Drawing file
|
DipTrace Schematic Capture
|
DCI
|
Dreamcast Save File
|
Dreamcast
|
DCL
|
Delphi Control Library
|
Borland Delphi
|
DCM
|
DCM music module
|
AWAVE
|
DCP
|
OS/2 device code page
|
OS/2
|
DCS
|
Bitmap graphics (CYMK format)
|
QuarkXPress
|
DCS
|
Datafile
|
ACT! Activity Files
|
DCT
|
Dictionary
|
Clarion、他多数
|
DCT
|
Spell checking dictionary
|
Harvard Graphics 3.0 - Symphony
|
DCT
|
DataBaseContainer Extension
|
Visual FoxPro
|
DCU
|
Delphi unit (compiled)
|
Borland Delphi
|
DCW
|
Walter Machine Programing
|
Walter Profile Editor
|
DCX
|
Multi-page PCX graphics (common fax format)
|
Intel - SpectraFAX
|
画像
|
DCX
|
DataBaseContainer Index
|
Visual FoxPro
|
DD
|
Macintosh file archive
|
DISKDOUBLER
|
DDA
|
Data
|
GLBasic ASCII 3D object
|
DDB
|
Bitmap graphics
|
|
DDB
|
Digidesign Database File
|
Digidesign ProTools
|
DDI
|
Disk image
|
DiskDupe
|
DDP
|
Device Driver Profile file
|
OS/2
|
DDS
|
DirectDraw Surface file
|
Microsoft Flight Simulator, other Microsoft programs
|
DEB
|
DEBUG script
|
DOS Debug
|
DEF
|
Assembly header file
|
Geoworks
|
DEF
|
Defaults - definitions
|
|
DEF
|
Linker definition file
|
TLink - WLink...
|
DEM
|
Demonstration
|
|
DEM
|
Digital Elevation Model
|
|
DEM
|
Graphics file
|
VistaPro
|
DEM
|
Vista DEM file
|
Meta.exe VP3
|
DES
|
Ascii text parameter description
|
AWAVE
|
DESKLINK
|
Windows Explorer Desktop Control
|
Windows
|
desktop
|
Desktop Entry
|
freedesktop.org
|
DEV
|
Device driver
|
|
DEV
|
SYSGEN handler build procedure
|
RT-11
|
DEV
|
Dev-C++プロジェクトファイル
|
Dev-C++
|
DFD
|
Data Flow Diagram graphic file
|
Prosa
|
DFF
|
RenderWare model data (e.g. Grand Theft Auto III and later)
|
|
DFI
|
Outline font description
|
Digifont
|
DFL
|
Default program settings
|
Signature
|
DFM
|
Data Flow Diagram model file
|
Prosa
|
DFM
|
Delphi form module
|
Borland Delphi
|
DFS
|
Delight Sound File
|
|
DFV
|
Printing form (Word)
|
Microsoft Word
|
DFX
|
Micrografx Effects DLL
|
|
DGN
|
Graphics file
|
MicroStation
|
DGS
|
Diagnostics
|
|
DH
|
Dependency information for .ph
|
Geoworks
|
DHP
|
Dr. Halo PIC Format graphics file
|
Dr. Halo II - III
|
DHT
|
Datafile
|
Gauss
|
DI
|
D言語 interface file
|
DMD
|
DIA
|
Diagraph graphics file
|
Computer Support Corporation
|
DIB
|
デバイスに依存しないビットマップ
|
Windows、OS/2のビットマップ
|
DIC
|
Dictionary (e.g. from WinWord)
|
|
DIF
|
Borland patch data file
|
Borland patch
|
DIF
|
Data Interchange Format
|
Visicalc
|
DIF
|
OS/2 V2.2 Display Information File
|
OS/2
|
DIF
|
Output from Diff command
|
|
DIF
|
SRCCOM, BINCOM output file
|
RT-11
|
DIG
|
Digilink
|
AWAVE
|
DIG
|
Sound Designer 1 audio file
|
AWAVE
|
DIP
|
Graphics
|
|
DIP
|
Watcom debug info processor
|
WatcomDebugger
|
DIP
|
PCB Drawing file
|
DipTrace PCB Layout
|
DIR
|
Dialing directory file
|
Procomm Plus
|
DIR
|
Directory file
|
VAX - CPS Backup
|
DIR
|
Movie
|
MacroMind Director 4.x
|
DIR
|
Directory listing file
|
RT-11
|
DIS
|
Distribution file
|
VAX Mail
|
DIS
|
Thesaurus
|
CorelDraw
|
DIZ
|
Description file (Description In Zip)
|
|
DJVU
|
DJVU Document Format
|
DJVU
|
DKB
|
Raytraced graphics
|
DKBTrace
|
DL
|
Animation format (Italian origin)
|
Display - DL Viewer
|
DLD
|
|
Lotus 1-2-3
|
DLF
|
Dialogue Live Format
|
Exstream Dialogue, Dialogue Live Editor
|
DLG
|
Dialog resource script file
|
Microsoft Windows SDK
|
DLG
|
Dialog resources
|
DN
|
DLG
|
Windows SDKダイアログエディタ の データファイル
|
DLG
|
Windows SDK dialog editor data file
|
|
DLL
|
ダイナミックリンクライブラリ
|
Windows 3.x - OS/2
|
DLL
|
Export/import filter
|
CorelDRAW
|
DLM
|
Microsoft File Transfer Manager
|
Microsoft File Transfer Manager
|
DLP
|
Data
|
DAQLab
|
DLS
|
Setup
|
Norton Disklock
|
DMF
|
Music format (Delusion Digital Music File)
|
Delusion
|
DMG
|
Apple Disk Image
|
macOS (Disk Utility),
|
DMO
|
Demo
|
Derive
|
DMP
|
Dump file (e.g. screen or memory)
|
|
DMP
|
DUMP utility output file
|
RT-11
|
DMS
|
Amiga file archive
|
DISKMASHER
|
DNG
|
Digital Negative (DNG)
|
多数のカメラやソフトウェア
|
DNT
|
data
|
RSNetWorx Project
|
DOC
|
ドキュメントファイル。テキストファイル形式の説明書。
|
多数
|
文書
|
DOC
|
ワープロファイル
|
Microsoft Word、他
|
文書
|
DOCM
|
Microsoft Word 2007 Master document
|
Microsoft Word 2007
|
文書
|
DOCX
|
Office Open XML ドキュメント
|
Microsoft Word
|
文書
|
DOF
|
Delphi project options file
|
Borland Delphi
|
DOG
|
Screen file
|
Laughing Dog Screen Maker
|
DOH
|
Dependency information for .poh
|
Geoworks
|
DOR
|
Roland Digital audio file
|
Roland
|
DOS
|
External command file
|
1st Reader
|
DOS
|
Network driver (e.g. pkt_dis.dos)
|
|
DOS
|
OS/2 V3 SVGA PMI-File
|
Svga.exe
|
DOS
|
MS-DOS用システムファイル (例：MSDOS.DOS, AUTOEXEC.DOS。MSDOS.SYS, AUTOEXEC.BATの変化版である。)
|
Windows 95, 98
|
DOS
|
Text file containing DOS specific info
|
|
文書
|
DOT
|
Line-type definition file
|
CorelDRAW
|
DOT
|
Microsoft Word document template
|
Microsoft Word
|
DOTX
|
Office Open XML ドキュメント テンプレート
|
Microsoft Word
|
DOX
|
Text file
|
MultiMate 4.0
|
DOZ
|
Description Out of Zip
|
VENDINFO
|
DP
|
Calendar file
|
Daily Planner
|
DP
|
Data file
|
DataPhile
|
DPR
|
Default project- and state-related information
|
Borland C++ - Delphi - C
|
DPX
|
Digital Moving Picture Exchange
|
|
DRP
|
Web3D File
|
Web3D
|
DRS
|
Display Resource
|
WordPerfect for Win
|
DRV
|
Driver
|
|
DRW
|
Designer vector graphics file
|
Designer - MicroGraphix
|
DS
|
TWAIN Data Source
|
Any twain-source
|
DS1
|
Map file
|
Diablo II
|
DS4
|
Vector graphics
|
Micrografx Designer 4.x
|
DSC
|
Celestia Deep Space Catalog file
|
Celestia
|
DSC
|
Description file
|
|
DSC
|
Discard file
|
Oracle
|
DSD
|
Database
|
DataShaper
|
DSF
|
Data Storage Format
|
Golden Helix
|
DSF
|
Delusion Digital Sound File
|
Delusion
|
DSK
|
Desktop configuration
|
BP - DN - BC++ - TP
|
DSK
|
Disk Drivers
|
Novell NetWare
|
DSK
|
Logical disk file
|
RT-11
|
DSM
|
Digital Sound Module
|
DSI
|
DSN
|
Design
|
Object System Designer
|
DSP
|
Display parameters
|
Signature
|
DSP
|
Dynamic Studio Professional Module
|
Dynamic Studio
|
DSP
|
Graphics display driver
|
Dr. Halo
|
DSP
|
Norton viewer DLL
|
Windows
|
DSR
|
Driver Resource
|
WordPerfect for Win
|
DSS
|
Screensaver file
|
DCC
|
DSS
|
Digital Speech Standard (Sound)
|
Digital Soup
|
DSS
|
SQL Script for .Time Framework
|
Exaktime
|
DST
|
WAIN (Scanner spec) data source DLL
|
Windows
|
DSW
|
Borland C++ 4.x desktop layout file
|
BCW.EXE
|
DSY
|
DAISY container file
|
ADAKTA.EXE
|
DT1
|
Tile file
|
Diablo II
|
DT_
|
Data fork of a Macintosh file
|
Mac-ette
|
DTA
|
Data file
|
Turbo Pascal - PC-File - Stata
|
DTB
|
Database Backup for .Time Framework
|
Exaktime
|
DTF
|
Database file
|
PFS - Q&A
|
DTL
|
Django template language
|
djangoproject
|
DTM
|
DigiTrekker music module
|
AWAVE
|
DTO
|
data
|
Directory Toolkit output
|
DTP
|
Desk Top Publishing Document
|
Timeworks / greenstreet Publisher3/ Greenstreet Publisher 4.5
|
DTP
|
Page Magic 2.0 publication
|
Page Magic 2.0 upgrades to Greenstreet Publisher
|
DTP
|
Publication
|
Publish-It! upgrades to Greenstreet Publisher
|
DVC
|
Data
|
Lotus 1-2-3
|
DVDPROJ
|
iDVD project file
|
iDVD (Apple iLife '08)
|
DVI
|
DeVice Independent document
|
TeX
|
DVP
|
DESQView run-file
|
DESQView
|
DVP
|
Device parameter file
|
AutoCAD
|
DW2
|
Drawing
|
DesignCAD for DOS, & DesignCAD for Windows
|
DWB
|
Coryphaeus Software Designers Workbench
|
CSD
|
DWC
|
Archive
|
DWC
|
DWD
|
DiamondWare Digitized file
|
AWAVE
|
|
|
Drawing
|
AutoCAD, IntelliCAD, PowerCAD, Drafix, etc.
|
DX
|
Text file
|
DEC WPS/DX format - DEC WPS Plus
|
DXF
|
Dialogue Exchange Format
|
Exstream Dialogue
|
DXF
|
Drawing Interchange File Format vector graphics
|
AutoCAD, IntelliCAD, PowerCAD, etc.
|
DXN
|
Fax
|
Fujitsu dexNET
|
DXP
|
SpotFire data
|
TIBCO Spotfire
|
DXP
|
ISO creation project file
|
CD Burner XP Pro
|
DYN
|
Data
|
Lotus 1-2-3
|
E
|
E language source code
|
E
|
E2D
|
2-dimensional vector graphics file
|
Editor included in JFire
|
EAS
|
Extended file attributes
|
OS/2
|
EAR
|
Enterprise archive
|
archive
|
EBA
|
Source code
|
Emergence BASIC
|
EBJ
|
Error-checking object file
|
Geoworks
|
EBQ
|
CITE standard electronic BQ exchange file
|
EC
|
Error checking preprosessed Goc source code
|
Geoworks
|
EC
|
Source code
|
Ecere SDK
|
ECC
|
Error-checking file
|
dvdisaster
|
ECE
|
Escenic Contentng Engine dynamic page
|
Escenic
|
ECMS
|
Status document
|
ECMerge
|
ECMT
|
Template document / Session
|
ECMerge
|
ED5
|
EDMICS
|
GCGW
|
EDA
|
Ensoniq ASR disk image
|
AWAVE
|
EDE
|
Ensoniq EPS disk image
|
AWAVE
|
EDF
|
European data format
|
Medical timeseries storage files
|
EDF
|
Macrocom Online Kitchen-planer
|
EDK
|
Ensoniq KT disk image
|
AWAVE
|
EDL
|
EDL
|
Premiere
|
EDQ
|
Ensoniq sq1,2/ks32 disk image
|
AWAVE
|
EDS
|
Ensoniq SQ80 disk image
|
AWAVE
|
EDT
|
Default settings
|
VAX Edt editor
|
EDT
|
Ensoniq TS disk image
|
AWAVE
|
EDT
|
External editors definitions
|
DN
|
EDV
|
Ensoniq VFX-SD disk image
|
AWAVE
|
EEB
|
Button bar for Equation Editor
|
WordPerfect for Win
|
EFA
|
Ensoniq ASR file
|
AWAVE
|
EFA
|
Encrypted File Archive
|
|
EFE
|
Ensoniq EPS file
|
AWAVE
|
EFE
|
Ensoniq EPS instrument file
|
AWAVE
|
EFK
|
Ensoniq KT file
|
AWAVE
|
EFQ
|
Ensoniq SQ1/SQ2/KS32 file
|
AWAVE
|
EFS
|
Ensoniq SQ80 file
|
AWAVE
|
EFT
|
Ensoniq TS file
|
AWAVE
|
EFT
|
High resolution screen font
|
ChiWriter
|
EFV
|
Ensoniq VFX-SD file
|
AWAVE
|
EFX
|
Fax
|
Everex EFax
|
EGA
|
EGA display font
|
Ventura Publisher
|
EKA
|
Internal data files
|
Borland's Eureka
|
EL
|
ELISP source code file
|
Emacs lisp
|
ELB
|
Synergy/DE library
|
ELC
|
Compiled ELISP code
|
Emacs lisp
|
ELI
|
Archive
|
ELI
|
ELT
|
Event list text file
|
Prosa
|
EMAKER
|
E language source code (maker)
|
E
|
EMD
|
ABT Extended MoDule
|
AWAVE
|
|
|
Microsoft Enhanced Metafile
|
|
EML
|
Stationery Template
|
Outlook Express
|
EMU
|
Terminal emulation data
|
BITCOM
|
ENC
|
Encoded file - UUENCODEd file
|
Lotus 1-2-3 - uuexe515.exe
|
ENC
|
Music
|
Encore
|
END
|
Arrow-head definition file
|
CorelDRAW
|
ENFF
|
Extended Neutral File Format
|
|
ENG
|
Dictionary engine
|
Sprint
|
ENG
|
English documentation
|
|
ENG
|
Graphics file (charting)
|
EnerGraphics
|
ENV
|
Envelope or Environments
|
|
ENV
|
Enveloper macro
|
WOPR
|
ENV
|
Environment file
|
WordPerfect for Win
|
EPD
|
Publication
|
Express Publisher
|
EPI
|
Document
|
Express Publisher
|
EPI
|
Encapsulated PostScript graphic file
|
|
EPS
|
Encapsulated PostScript (Graphics format)
|
CorelDraw - PhotoStyler - PMView - Adobe Illustrator - Ventua Publisher
|
| EPUB
|
電子書籍
|
ソニー・リーダー
楽天 kobo Touch
|
|
EQN
|
Equation filE
|
WordPerfect for Win
|
ERD
|
Entity Relationship Diagram graphic file
|
Prosa
|
ERL
|
Erlang source code file
|
ERM
|
Entity Relationship Diagram model file
|
Prosa
|
ERR
|
Compiler/linker error report
|
|
ESH
|
Extended Shell batch file
|
|
ETH
|
Document
|
Ethnograph 3
|
ETF
|
Encrypted Text File. Used in some security programs.
|
ETW
|
EnterTechの独自フォーマット
|
Enter-Tech
|
ETX
|
Structure-enhanced text
|
|
EUI
|
Ensoniq EPS family CD image
|
AWAVE
|
EVT
|
Events descriptions
|
|
EVY
|
Document
|
WordPerfect Envoy
|
EWD
|
Document
|
Express Publisher for Windows
|
EX3
|
Device driveR
|
Harvard Graphics 3.0
|
EXC
|
Exclude file for Optimize (do not process) (QEMM)
|
QEMM
|
EXC
|
REXX source code file
|
VM/CMS
|
|
|
Directly executable program
|
DOS
|
EXF
|
Excute file
|
OnHand PC
|
EXM
|
MSDOS executable, system-manager compliant (HP calculator)
|
HP calculator
|
EXP
|
Protected mode EXE by PharLap Software
|
PharLap
|
EXP
|
Exports Library File
|
Visual Studio
|
EXT
|
Extensions descriptions file
|
|
EXX
|
Intermediate file by MsgPut
|
IBM LinkWay
|
EZF
|
Fax
|
Calculus EZ-Fax
|
F
|
Archive
|
FREEZE
|
F
|
Fortran language source code file (固定形式)
|
Many Fortran compilers
|
F01
|
Fax
|
perfectfax
|
F03
|
Fortran language source code file (固定形式)
|
Many Fortran compilers
|
F2R
|
Farandole Linear Module
|
Farandole
|
F3R
|
Farandole Blocked Linear Module
|
Farandole
|
F4
|
Fortran IV source code file
|
|
F4A
|
Audio for Adobe Flash Player
|
|
音声
|
F4B
|
Audio Book for Adobe Flash Player
|
|
F4P
|
Protected Video for Adobe Flash Player
|
|
F4V
|
Video for Adobe Flash Player
|
|
F77
|
Fortran language source code file (固定形式)
|
Many Fortran compilers
|
F90
|
Fortran language source code file (in free form)
|
Many Fortran compilers
|
F95
|
Fortran language source code file (in free form)
|
Many Fortran compilers
|
F96
|
Fax
|
Frecom FAX96
|
FAC
|
see FACE
|
|
FACE
|
Usenix FACE graphics file
|
|
FAM
|
Famtasia Famicom image format
|
Famtasia
|
FAQ
|
Frequently Asked Questions text file
|
|
FAR
|
Music format (Farandole Composer Module)
|
Farandole
|
FAS
|
Macsyma compiled program
|
|
FAX
|
Fax (raster graphics in CCITT format)
|
most Fax programs
|
FBM
|
Fuzzy Bitmap
|
|
FC
|
Spell checking dictionary
|
Harvard Graphics 2.0
|
FCM
|
Binary file patch file (forward compression)
|
jlpak10.zip
|
FD
|
Declaration file
|
Microsoft Fortran
|
FD
|
Field offsets for compiler
|
DataFlex
|
FD
|
Front Door' resource files
|
FD
|
|
|
Font Definition Block
|
Ming library
|
FDS
|
fwNES Famicom Disk System image
|
fwNES
|
FDS
|
Headerless Famicom Disk System image
|
|
FDW
|
Form
|
F3 Design and Mapping
|
FE
|
Data
|
Surface Evolver 3D surface
|
FEB
|
Button bar for Figure Editor
|
WordPerfect for Win
|
FEI
|
Fatal Error Infotable
|
Geoworks
|
FES
|
3D Topicscape の出力ファイル
|
3D Topicscape
|
FF
|
Intelligont FIAS format
|
|
FF
|
Outline font description
|
Agfa Compugraphics
|
FFE
|
Front Fareast Famicom image format
|
|
FFF
|
Fax
|
defFax
|
FFI
|
Atech FastFont (AllType)
|
|
FFIVW
|
Interchange of Virtual Worldsのファイル形式
|
Interchange of Virtual Worlds
|
FFT
|
Dca/FFT Final Form Text text file (DisplayWrite)
|
|
FFT
|
DCA/FFT Final Form Text text file
|
DisplayWrite
|
FH3
|
Vector graphics
|
Aldus FreeHand 3.x
|
FH4
|
Vector graphics
|
Aldus FreeHand 3.x
|
FI
|
Interface file
|
Microsoft Fortran
|
FIF
|
Fractal Image Format file
|
|
FIG
|
Figure File
|
MATLAB
|
FIL
|
Table Data
|
Audit Command Language (ACL)
|
FIL
|
File template
|
Application Generator
|
FIL
|
Filelist
|
|
FIL
|
Files list object file
|
dBASE Application Generator
|
FIL
|
ミラープログラムの出力ファイル
|
MS-DOS, PC Tools
|
FIL
|
Overlay
|
WordPerfect
|
FIL
|
Virus Vault by AVGの移動ファイル
|
Virus Vault by AVG
|
FILM
|
Filmkey film file
|
Filmkey Player
|
FIN
|
Print-formatted text file
|
Perfect Writer - Scribble - MINCE
|
FIO
|
Aldus PhotoStyler graphics filter
|
|
FIO
|
Image PALS viewer DLL
|
|
FIT
|
File Index Table
|
Windows NT
|
FIT
|
see FITS
|
|
|
|
Flexible Image Transport System
|
|
FIX
|
Patch file
|
|
FKY
|
Macro file
|
FoxPro
|
FLA
|
Adobe Flash files' basic format
|
|
|
Audio codec, Audio file format
|
|
音声
|
FLAME
|
Fractal configuration file
|
Apophysis
|
FLB
|
Format library
|
Papyrus
|
FLC
|
Animation format FLIC >320x200
|
AAPlay - Autodesk AniPro
|
FLD
|
Folder
|
Charisma
|
FLI
|
Animation format FLIC 320x200
|
Autodesk Animator
|
FLI
|
TeX font library
|
EmTeX
|
FLM
|
Film Roll
|
AutoCAD/AutoShade
|
FLP
|
Flstudio project file
|
Fruity Loops (FlStudio)
|
FLT
|
Data/file conversion filter (or overlay)
|
Alsud, Microsoft Word
|
FLT
|
Filter file
|
Micrografx Picture Publisher
|
FLT
|
MultiGen Flight
|
|
FLT
|
Support file - graphics filter
|
Asymetrix ToolBook
|
FLX
|
Animation format
|
|
FLX
|
Compiled binary
|
DataFlex
|
FLV
|
Flash video file
|
Flash Video Player
|
FM
|
Database
|
FileMaker Pro
|
FM1
|
Spreadsheet format overlay
|
Lotus 1-2-3 release 2.x
|
FM3
|
Device driver
|
Harvard Graphics 3.0
|
FM3
|
Spreadsheet
|
Lotus 1-2-3 release 3.x
|
FMB
|
File Manager Button bar
|
WordPerfect for Win
|
FMF
|
Font or icon file
|
IBM LinkWay
|
FMK
|
Makefile
|
Fortran PowerStation
|
FMO
|
Compiled format file
|
dBASE IV
|
FMT
|
Format file
|
dBASE IV - FoxPro - Clipper 5 - dBFast
|
FMT
|
Gate3 format file
|
|
FMT
|
Style sheet
|
Sprint
|
FMV
|
Full Motion Video file
|
|
FN3
|
Font file
|
Harvard Graphics 3.0
|
FND
|
Files searching properties
|
Windows 95
|
FNI
|
FileNet Native Document
|
FileNet
|
FNK
|
FunkTracker music module
|
AWAVE, FunkTracker
|
FNM
|
Fannie Mae Residential Loan Data (RLD)
|
Desktop Originator
|
Fnn
|
DOS screen text font - height nn pixels
|
fntcol13.zip
|
FNT
|
Font file
|
many
|
FNX
|
Inactive font
|
Exact
|
FO1
|
Font file
|
Borland Turbo C
|
FO2
|
Font file
|
Borland Turbo C
|
FOG
|
Fontographer Database File
|
Fontographer3.5
|
FOL
|
Folder of saved messages
|
1st Reader
|
FON
|
Log of all calls
|
Procomm Plus
|
FON
|
Terminate phonebook
|
Terminate - Terminator - Telix
|
FON
|
Windows bitmapped font file
|
Windows
|
FONT
|
Font data
|
unix
|
FOP
|
Freedom of the Press graphic file
|
|
FOR
|
Form
|
WindowsdowBase
|
FOR
|
Fortran language source file
|
many
|
FOT
|
Installed Truetype font
|
Windows Font Installer
|
FOX
|
Foxbase executable (precompiled .prg)
|
FoxBase
|
FP
|
Final Page file
|
FoxPro for DOS
|
FP
|
Tiff file
|
TIFF/IT P1
|
FP
|
Video file
|
DVICO/TVIX MPEG1 video file
|
FP3
|
Database
|
FileMaker Pro
|
FP4
|
Database
|
FileMaker Pro
|
FP5
|
Database
|
FileMaker Pro
|
FP7
|
Database
|
FileMaker Pro
|
FPC
|
Catalog
|
FoxPro
|
FPD
|
TMT Pascal compiled unit
|
TMT Pascal
|
FPM
|
Configuration file
|
FoxPro for MacIntosh
|
FPT
|
Foxpro memo field tables
|
FoxPro
|
FPU
|
Configuration file
|
FoxPro for Unix
|
FPW
|
Floorplan drawing
|
FloorPLAN plus for Windows
|
FPW
|
Configuration file
|
Visual FoxPro
|
FR?
|
Packed mail
|
FTN software
|
FR3
|
Renamed dBASE III+ form file
|
dBASE IV
|
FRF
|
FontMonger Database file
|
FontMonger
|
FRG
|
Uncompiled report file
|
dBASE IV
|
FRL
|
GP-Forth library
|
GP-Forth
|
FRM
|
Registration or other form
|
|
FRM
|
Report file
|
dBASE IV - Clipper 5 - dBFast
|
FRM
|
Visual Basic Form
|
Visual Basic
|
FRO
|
Compiled report file
|
dBASE IV
|
FRP
|
Form
|
PerForm PRO Plus - FormFlow
|
FRS
|
Screen Font Resource
|
WordPerfect for Win
|
FRT
|
Additional (FPT) report description file
|
FoxPro
|
FRT
|
GP-Forth source file
|
GP-Forth
|
FRX
|
Main (DBF) report description file
|
Visual FoxPro
|
FRX
|
Visual Basic binary program file
|
Visual Basic
|
FSA
|
Applied Biosystems Genetic Analysis data file
|
GeneScan
|
FSIM
|
Simulation File Format
|
Loudsoft
|
| FSL
|
|
筆王ラベルメーカー
|
FSL
|
Form
|
Paradox for Windows
|
FSM
|
Farandole Composer WaveSample
|
Farandole
|
FSPROJ
|
Habanero Firestarter project
|
Habanero Firestarter
|
FST
|
Linkable program
|
dBFast
|
FST
|
Temporal database file
|
GTKWave data file
|
FSX
|
Data
|
Lotus 1-2-3
|
FTM
|
Fielded Text Meta
|
Fielded Text
|
FTM
|
Font file
|
Micrografx
|
FTX
|
Declared Fielded Text
|
Fielded Text
|
FTXT
|
text
|
Cloanto text document
|
FTP
|
Configuration
|
FTP Software PC/TCP
|
FW
|
Database
|
FrameWork
|
FW2
|
Database
|
Framework II
|
FW3
|
Database
|
Framework III
|
FWEB
|
Fortran WEB
|
|
FX
|
On-line guide
|
FastLynx
|
FXD
|
Phonebook
|
FAXit
|
FXP
|
Foxpro executable (precompiled .prg)
|
Visual FoxPro
|
FXS
|
FAX Transmit Format graphics file
|
WindowsFax
|
FYF
|
FileLoc
|
FyTek, Inc.
|
G
|
Data chart
|
APPLAUSE
|
G16
|
GoldED for DOS compiled config
|
GOLDED.EXE
|
G3P
|
data
|
Grand Prix 3 car physics
|
G8
|
Raw graphics file (one byte per pixel) plane three
|
PicLab - Cubicomb Picturemaker
|
GAM
|
Fax
|
GammaFax
|
GB
|
Game Boy ROM
|
|
GB1
|
Game Maker backup file (GB2, GB3も参照)
|
|
GBA
|
Game Boy Advance ROM
|
|
GBC
|
Game Boy Color ROM
|
|
GBL
|
Global definitions
|
VAXTPU editor
|
GBL
|
Global module in Basic programs
|
|
GBR
|
GIMP brush
|
GC1
|
Lisp source code
|
Golden Common Lisp 1.1
|
GC3
|
Lisp source code
|
Golden Common Lisp 1.3
|
GCA
|
IBM GOCA
|
GCGW
|
GCD
|
Graphics
|
|
GCD
|
General content descriptor
|
Wireless devices
|
GCF
|
Game cache file
|
Steam content delivery system
|
GCX
|
Graph file
|
macOS Grapher
|
GD3
|
Game Doctor Super NES ROM image
|
GDF
|
General Data Format for Biomedical Signals
|
Biomedical signal processing, Brain Computer Interfaces
|
GDF
|
Dictionary file
|
GEOS
|
GDF
|
Geographical Data Format
|
Various mapping software
|
GDF
|
IBM Graphics Data Format
|
Legacy IBM systems
|
GDL
|
Data
|
ArchiCAD model
|
GDS
|
McDonnell-Douglas Things
|
|
GE
|
GEcho config file
|
GEcho
|
GED
|
GEDCOM
|
Genealogy data exchange
|
GED
|
EDITOR's native file format
|
Arts & Letters
|
GED
|
GoldED for DOS compiled config file
|
GOLDED.EXE
|
GED
|
Graphics editor file
|
EnerGraphics
|
GED
|
Game Editor Data / project file
|
Game Editor
|
GEM
|
Vector graphics file
|
GEM - Ventura Publisher
|
GEN
|
Compiled template
|
dBASE Application Generator
|
GEN
|
Generated text
|
Ventura Publisher
|
GEO
|
Geode
|
Geoworks
|
GEO
|
GEOS specific file (application)
|
GEOS
|
GEO
|
GoldED for OS/2 compiled config file
|
GED2.EXE
|
GEX
|
GEcho config file
|
GEcho
|
GFB
|
Compressed GIF image created by GIFBLAST
|
gifblast.exe
|
GFO
|
SGI Radiosity
|
|
GFT
|
Font
|
NeoPaint
|
GFT
|
GEM-translator font file
|
|
GFX
|
Instant Artist graphics Files
|
Instant Artist
|
GFX
|
PCBoard @X-coded colorful text
|
GFX2COM - GFX2EXE
|
GHO
|
Norton Ghost File (first file)
|
Symantec
|
GHS
|
Norton Ghost File (split file)
|
Symantec
|
GHW
|
GHDL Wave file
|
GHDL/GTKWave data file
|
GIB
|
Chart
|
Graph-in-the-Box
|
GIB
|
GIMP animated brush
|
GID
|
Help index
|
Windows 95 help
|
|
|
Compuserves' Graphics Interchange Format
|
QPeg - Display - CompuShow
|
画像
|
GIW
|
Presentation
|
Graph-in-the-Box for Windows
|
GKH
|
Ensoniq Disk Image (VFX, SD, EPS, ASR, TS)
|
Ensoniq
|
GKS
|
Graphics Kernel System
|
|
GL
|
Animation format
|
grasprt.exe, PV
|
GL
|
Animation
|
GRASP GRAphical System for Presentation
|
GLB
|
Global module in Basic programs
|
|
GLM
|
Datafile
|
Glim
|
GLO
|
Global module in Basic programs
|
|
GLS
|
Datafile
|
Across
|
GLY
|
Windowsword Glossary
|
Microsoft Word
|
GM6
|
Game Maker Editable file as of version 6.x
|
GMD
|
Game Maker Editable file up to version 5.x
|
GMF
|
CGM graphics file
|
APPLAUSE
|
GMK
|
Game Maker Editable file as of version 7.x or 8.x
|
GML
|
Game Maker GML file
|
GMOD
|
Data
|
Golgotha 3D model
|
GMP
|
Geomorph tile map
|
SPX
|
GMS
|
Ghost Mouse Script
|
GMS
|
Gesture and Motion File Formats
|
GMT
|
data
|
RFactor car physics
|
GOC
|
Goc source code file
|
Geoworks
|
GOE
|
GOES graphic file
|
|
GOH
|
Goc header file
|
Geoworks
|
GP5
|
Guitar Pro 5 song
|
Guitar Pro 5
|
GP
|
Geode parameter file
|
Geoworks Glue
|
GP4
|
data
|
Grand Prix 4 car physics
|
GPH
|
Graph
|
Lotus 1-2-3/G
|
GPK
|
Omnigo program package
|
|
|
|
GPS eXchange Format
|
|
GR2
|
Screen driver
|
Windows 3.x
|
GRA
|
Datafile
|
SigmaPlot
|
GrADS
|
Metafile
|
|
GRAFFLE
|
OmniGraffle graph file
|
|
GRASP
|
Graphical System for Presentation
|
|
GRB
|
T-FLEX CAD file
|
Top Systems
|
GRB
|
MS-DOS Shell Monitor file
|
MS-DOS 5
|
GRD
|
Drivers for GRX (graphics library)
|
GRX (c) Free Soft. Found.
|
GRDNT
|
一部のオペレーティングシステムで使用されるイメージ形式
|
|
GRE
|
data
|
Grenoble Thermal Ellipsoids Plot Program
|
GRF
|
Graph file
|
Graph Plus - Charisma
|
GRIB
|
Gridded Binary
|
|
GRN
|
Drivers for GRX (graphics library)
|
GRX (c) Free Soft. Found.
|
GRP
|
Group file
|
Windows 3.x - Papyrus
|
GRP
|
Pictures group
|
PixBase
|
GRY
|
Graphics format (RAW GREYz)
|
|
GS1
|
Presentation
|
GraphShow
|
GS3
|
data
|
GameStarter
|
GSA
|
data
|
Microsoft Office Groove Space Archive
|
GSD
|
Vector graphics
|
Professional Draw
|
GSM
|
Raw GSM 6.10 audio stream
|
AWAVE
|
音声
|
GSW
|
Worksheet
|
GraphShow
|
GTA
|
data
|
Microsoft Office Groove Tool Archive
|
GUP
|
|
PopMail
|
GV
|
GrandView outline file
|
|
GVO
|
Data
|
GFXFX Vector Object
|
GWI
|
Groupwise File
|
Local saved Email
|
GXL
|
Graphics library
|
Genus
|
|
|
圧縮ファイル
|
GNU zip - WinZipNT
|
GZR
|
data
|
GunZ action replay
|
H!
|
On-line help file
|
Flambeaux Help! Display Engine
|
H!
|
Pertext database
|
HELP.EXE
|
H--
|
C—language header
|
Sphinx C--
|
H
|
ヘッダファイル（C言語またはC++、主にC）
|
Watcom C/C++
|
H++
|
ヘッダファイル (C++)
|
C++
|
HA
|
Archive
|
HA
|
HAL
|
Data file
|
Hyper Access Lite OS/2
|
HAM
|
Disk Drivers NPA
|
Novell NetWare
|
HAM
|
Hold And Modify
|
Deluxe Paint image file
|
HAP
|
Archive
|
HAP3
|
HAR
|
HTTP Archiveフォーマット（JSON形式のWebブラウザログ）
|
W3Cドラフト標準
|
アーカイブ
|
HBC
|
Compressed Archive File (Shrink Algorithm)
|
Hyperbac
|
HBC
|
Compressed Archive File (Shrink Fast Algorithm)
|
Hyperbac
|
HBE
|
Compressed, Encrypted Archive File (Shrink & AES256-bit Encryption)
|
Hyperbac
|
HBK
|
MathCAD handbook
|
MathCAD
|
HC
|
Header file
|
|
HCG
|
Document
|
HCLab
|
HCGS
|
Document
|
HCLab
|
HDD
|
data
|
disk image
|
HDD
|
HotDisc Designer label
|
HDF
|
Amiga Hard Disk Image
|
HDF
|
Help file
|
Help Development Kit
|
HDF
|
Hierarchical Data File graphics file
|
SDSC Image Tools
|
HDL
|
Alternate download file listing
|
Procomm Plus
|
HDMP
|
heap dumpfile
|
|
HDR
|
Datafile
|
Egret
|
HDR
|
Message header text
|
Procomm Plus - 1st Reader
|
HDR
|
PC-File+ Database header
|
|
HDR
|
SPOT image file
|
|
HDS
|
Hierarchical Data System
|
|
HDW
|
Vector graphics
|
Harvard Draw
|
HDX
|
Help index
|
AutoCAD - Zortech C++
|
HDZ
|
Amiga Zip compressed Hard Disk Image
|
HEP
|
Novell Help Librarian Data File
|
Novell NetWare
|
HEX
|
Hex dump
|
|
HEX
|
Intel HEX
|
リンケージエディタの出力形式、ROMライタ
|
HFI
|
HP Font Info file
|
GEM
|
HGL
|
Highlight groups definitions
|
DN
|
HGL
|
HP Graphics Language graphics file
|
|
HH
|
C++ header file
|
|
HHH
|
Precompiled header file
|
Power C
|
HHP
|
Help information for remote users
|
Procomm Plus
|
HI
|
Game high scores table
|
|
HIN
|
Molecule
|
HyperChem
|
HIS
|
History of executing/viewing/editing
|
DN
|
HIS
|
Yard Information File
|
FYM
|
HKMHKM
|
Stores sound in a bitmapped graphics file
|
|
HLB
|
Help library
|
VAX
|
HLP
|
Help file
|
WinHelp, Help Explorer Viewer
|
HLX
|
Multi Edit help file
|
MultiEdit 5.0
|
HLZ
|
Multi Edit packed help file
|
MultiEdit
|
HMI
|
Music format (MIDI)
|
|
HMM
|
Alternate Mail Read option menu
|
Procomm Plus
|
HMP
|
Music format (MIDI)
|
|
HMP
|
Hump Setup File
|
FYM
|
HNC
|
CNC program files Heidenhain (?) dialog
|
|
HOF
|
Hall Of Fame (game scores)
|
|
HP
|
Printout file for HP printers/plotters (HP/GL)
|
|
HP8
|
ASCII text HP Roman8 character set
|
NewWave Write
|
HPF
|
HP LaserJet fonts
|
PageMaker
|
HPG
|
see HPGL
|
|
HPGL
|
Plotter file vector graphics (Hewlett-Packard Graphics Language)
|
AutoCad - Harvard Graphics
|
HPI
|
Font information file
|
GEM
|
HPJ
|
Help project
|
Microsoft Help Compiler for Windows - HC.EXE
|
HPK
|
Archive
|
HPACK
|
HPM
|
Alternate Main menu for privileged users
|
Procomm Plus
|
HPM
|
EMM text
|
HP NewWave
|
HPM
|
High Performance Map
|
Quaestor 1.x
|
HPP
|
ヘッダファイル (C++)
|
GCCなど
|
HPPCL
|
Hewlett-Packard Printer Control Language
|
|
HQ
|
HQ9+ source
|
HQ9+
|
HQX
|
Archive (ASCII Mac)
|
BINHEX
|
HRF
|
Graphics file (Hitachi Raster Format)
|
|
HRM
|
Alternate Main menu for limited/normal users
|
Procomm Plus
|
HRZ
|
Graphics format
|
SSTV
|
HS2
|
Monochrome image
|
Postering
|
HSC
|
2-op FM music
|
HSC tracker - hscplay.exe
|
HSH
|
Disk image hash file
|
DriveSnapshot
|
HSI
|
Handmade Software Inc. graphics file almost JPEG
|
Image Alchemy
|
HST
|
History file
|
Procomm Plus
|
HTM
|
see HTML
|
|
|
|
Hypertext Markup Language (WWW)
|
Netscape - Mosaic - many
|
HTX
|
Hypertext file
|
|
HWD
|
Presentation
|
Hollywood
|
HWP
|
Hangul Word Processor Document
|
Hangul (word processor)
|
文書
|
HXM
|
Alternate Protocol Selection menu for all users
|
Procomm Plus
|
HXS
|
Microsoft Help 2 compiled help file
|
Microsoft Windows, Help Explorer Viewer
|
HXX
|
C++ header file
|
|
HY1
|
Hyphenation algorithms
|
Ventura Publisher
|
HY2
|
Hyphenation algorithms
|
Ventura Publisher
|
HYC
|
Data
|
WordPerfect
|
HYD
|
Hyphenation dictionary
|
WordPerfect for Win
|
HYP
|
Archive
|
HYPER
|
I
|
Preprocessor output file
|
Borland C Preprocessor
|
IAK
|
Internet Access Kit
|
OS/2
|
IAM
|
Assembly file
|
Autodesk Inventor
|
IAX
|
Bitmap graphics (IBM Image Access eXecutive)
|
|
IAX
|
data
|
InstallAnywhere.NET project
|
IBG
|
PDS graphic file
|
|
IBM
|
Archive (Internal IBM only)
|
ARCHDOS
|
ICA
|
Bitmap graphics (Image Object Content Architecture)
|
|
ICB
|
Bitmap graphics
|
|
ICC
|
ICC configuration
|
|
ICE
|
Archive
|
Cracked LHA (old LHA)
|
ICM
|
ICC configuration
|
|
ICN
|
ICON source code file
|
|
ICO
|
Icon file
|
ICONEDIT.EXE; Microsoft Windows
|
ID
|
Disk identification file
|
|
IDB
|
IDA database
|
IDA
|
IDB
|
VC++ Minimum Rebuild Dependency File
|
Visual C++
|
IDC
|
IDA C language source
|
IDA
|
IDE
|
Borland C++ 4.x IDE project
|
BCW.EXE
|
IDF
|
MIDI instrument description
|
|
IDS
|
IDA imported names format
|
IDA
|
IDW
|
Vector graphics
|
IntelliDraw
|
IDW
|
Drawing file
|
Autodesk Inventor
|
IDX
|
Index
|
many - FoxPro; also unrelated Quicken file format.
|
IFD
|
Form
|
JetForm Design
|
IFF
|
Interchange Format File (IFF)
|
EA Software - Convert (C) Villena - Amiga
|
IFF
|
Sun TAAC Image File Format
|
SDSC Image Tool
|
IFP
|
Script
|
KnowledgeMan
|
IFS
|
Fractal image compressed file
|
Yuvpak
|
IFS
|
Installable file system
|
OS/2
|
IGES
|
Initial Graphics Exchange Specification
|
|
IGF
|
Inset Systems
|
GCGW
|
IGC
|
ダウンロード形式
|
Flight tracks
|
IHP
|
Watcom help file
|
whelp.exe
|
IHS
|
Inbound History
|
Bink/+
|
IIW
|
Power Point Image Importer Wizard
|
IL
|
hDC Designer Icon Lin dll format
|
|
ILB
|
Data
|
Scream Tracker
|
ILG
|
data
|
LaTeX Index Generation log
|
ILK
|
Outline of program's format
|
Microsoft ILink incremental linker
|
IM
|
Auran Jet indexed mesh file
|
Trainz
|
IM8
|
Sun raster graphics file
|
|
IMA
|
Mirage vector graphics
|
EGO - Chart - Autumn
|
IMG
|
ADEX graphic file
|
|
IMG
|
Disk Image
|
NC 5.0
|
IMG
|
GEM bitmapped graphics file
|
Ventura
|
IMG
|
Image for Windows/Image for DOS Disk image
|
TeraByte, Inc. dba TeraByte Unlimited
|
IMG
|
Vivid IMG file
|
|
IMI
|
image
|
Magellan Meridian map
|
IMI
|
image
|
Magellan eXplorist map
|
IMP
|
Spreadsheet
|
Lotus Improv
|
IMQ
|
Image presentation
|
ImageQ
|
IN$
|
Installation file
|
HP NewWave
|
IN3
|
Input device driver
|
Harvard Graphics 3.0
|
INB
|
Test script
|
Vermont HighTest
|
INC
|
Include file
|
several programming languages
|
IND
|
Data Index
|
dBASE IV
|
INDD
|
InDesign Document
|
Adobe InDesign
|
INF
|
Information text file (ASCII)
|
|
INF
|
Install script
|
|
INF
|
OS/2 hypertext help system file
|
VIEW.EXE
|
INF
|
Type 1 LaserJet font information file
|
soft font installers
|
INFO
|
GNU info reader (output from texinfo)
|
unix
|
INFO
|
Icon Data (Amiga)
|
|
INGR
|
Intergraph Raster File Format
|
|
|
|
Initialization file
|
|
INK
|
Pantone reference fills file
|
CorelDRAW
|
INS
|
Data
|
WordPerfect
|
INS
|
Ensoniq Instrument File
|
Ensoniq
|
INS
|
Installation script
|
1st Reader
|
INS
|
Instrument music file (Adlib)
|
|
INT
|
Borland Interface Units
|
|
INT
|
Program saved in Internal (semi-compiled) format
|
Signature
|
INT
|
Source of Borland interface module
|
|
INX
|
Index
|
Foxbase
|
IO
|
Archive
|
CPIO
|
IOB
|
3d graphics database in TDDD format
|
|
IOC
|
Organizational chart
|
Instant ORGcharting!
|
ION
|
4DOS descript.ion file (file descriptions)
|
4DOS
|
IP
|
Immortal Player file
|
Immortal Player
|
IPC
|
Intellitec Program Configuration
|
Intellitec
|
IPF
|
Interchangeable Preservation Format
|
SoftPres
|
IPG
|
iPod game file
|
iTunes and iPod
|
IPH
|
Hi-Res Image
|
InterPaint
|
IPL
|
Pantone Spot reference palette file
|
CorelDRAW
|
IPN
|
Intecplan project
|
Intecplan Business Plan Software
|
IPS
|
IPS Patching Format (International Patching System)
|
Rom hacking community
|
IPT
|
Part file
|
Autodesk Inventor
|
IPT
|
MultiColor Image
|
InterPaint
|
IRS
|
Resource (WordPerfect) standard.irs
|
WordPerfect
|
IRT
|
Data
|
IRIT 3D model
|
IRTR
|
Graphicon-2000 Interactive Real-Time PHIGS
|
|
ISD
|
Spelling Checker dictionary
|
RapidFile
|
ISH
|
Archive
|
ISH
|
ISMA
|
Output Video file
|
Islam Abusa'a Software
|
ISO
|
ISO-9660 table
|
see: List of ISO image software
|
IST
|
Digitrakker Instrument File
|
AWAVE
|
IT
|
Impulse Tracker music file
|
Impulse Tracker
|
IT
|
Settings
|
intalk
|
ITF
|
Interface file
|
JPI TopSpeed Pascal
|
ITL
|
iTunes music library
|
ITN
|
Itinerary file
|
TomTom PNDs
|
ITT
|
IconTweaker Theme
|
|
IV
|
SGI Inventor
|
|
IV-VRML
|
Inventor VRML Format
|
|
IVE
|
OpenSceneGraph 3D model
|
IVI
|
Image file
|
ImmerVision
|
IVL
|
Lensflare file
|
ImmerVision
|
IVP
|
Panorama file
|
ImmerVision
|
IVU
|
User Interface file
|
ImmerVision
|
IW
|
Presentation flowchart
|
IconAuthor - HSC InterActive
|
IWA
|
Text file
|
IBM Writing Assistant
|
IWD
|
Call of Duty Map - Game Data Archive
|
Activision, Inc.
|
IWP
|
Text file
|
Wang
|
IX
|
data
|
dtSearch index
|
IZT
|
Izl binary token file
|
IZL
|
J2C
|
JPEG 2000 image
|
多数
|
画像
|
JAM
|
Jam messagebase
|
FTN software
|
|
|
Jam music score
|
Jam
|
JAR
|
アーカイブ
|
JAR. Java Games and Applications
|
JAS
|
see JASC
|
|
JAS
|
Cheetah3D ファイル形式
|
Cheetah3D
|
JASC
|
Graphics format (JASC)
|
|
JAV
|
「JAVA」を参照。
|
|
JAVA
|
Java ソースコード
|
|
JBD
|
Datafile
|
SigmaScan
|
JBIG
|
Joint Bilevel Image Group
|
|
JBW
|
ワープロファイル
|
一太郎 V6
|
文書
|
JBX
|
Project file
|
Project Scheduler 4
|
JCN
|
JobClock.Net Synch File
|
JET
|
Fax
|
Hybrid JetFax
|
JFF
|
see JFIF
|
|
JFIF
|
JPEG File Interchange Format
|
|
JIF
|
see JFIF
|
|
JMS
|
Music format (JMusic file)
|
UltraForce
|
JOB
|
Gravostyle engraving pattern file
|
Gravostyle/Gravograph
|
JOB
|
QUEUE output file
|
RT-11
|
JOR
|
Journal file SQL
|
|
JOU
|
Journal backup
|
VAX Edt editor
|
JP2
|
JPEG 2000 image
|
多数
|
画像
|
JPC
|
画像
|
Japan PIC
|
画像
|
|
|
Joint Photography Experts Groupファイルフォーマット
|
多数
|
画像
|
JPG
|
JPEGを参照
|
多数
|
画像
|
JRE
|
Java Runtime Environment
|
Java
|
JRN
|
JMP journal
|
JMP
|
JSP
|
Java Server Pages
|
|
JS
|
JScriptスクリプトファイル
|
Javascript
|
JTD
|
文書ファイル
|
一太郎
|
文書
|
JTF
|
Fax
|
Hayes JT Fax
|
JTF
|
Graphics (TIFF file with JPEG compression)
|
|
JK
|
Root File of a lol
|
Earl Grey
|
JVX
|
Data
|
JavaView object
|
JW
|
Text document
|
JustWrite
|
JWL
|
Library
|
JustWrite
|
JZZ
|
Spreadsheet
|
Jazz
|
表計算
|
K2A
|
Data
|
Prince of Persia 3D object
|
K3D
|
Description of macro language 3DS
|
3DS
|
KAP
|
Map Info Sea Chart
|
|
KAR
|
Music format (Karaoke)
|
|
KAR
|
Precompiled .prg for KARAT
|
Rus. FOX+ 2.0
|
KB
|
Keyboard script
|
Borland C++ 4.5
|
KB
|
Program source
|
Knowledge Pro
|
KBASIC
|
Source
|
KBasic
|
KBD
|
Keyboard mapping
|
LocoScript - Signature - Procomm Plus
|
KBM
|
Keyboard mapping
|
Reflection 4.0
|
KCL
|
Lisp source code
|
Kyoto Common Lisp
|
KDB
|
KeePass 1.x database file
|
KeePass
|
KDBX
|
KeePass 2.x database file
|
KeePass/KeePassX/KeePassXC
|
KDC
|
Kodak Digital Camera (graphics)
|
PhotoEnhancer by PictureWorks
|
KEP
|
(unknown)
|
(unknown)
|
KEX
|
Kedit Macro File
|
Kedit
|
KEY
|
Datafile
|
Forecast Pro
|
KEY
|
Keynote presentation file
|
Keynote (Apple iWork '08)
|
KEY
|
Keyboard macros
|
|
KEY
|
OS/2 archive .key-file (i.e. OS2.KEY)
|
OS/2
|
KEY
|
Security file e.g. Shareware Registration info
|
|
KFX
|
Kofax Group
|
GCGW
|
KIT
|
Power Chords drum kit file
|
Power Chord
|
KMC
|
KatzReview's MegaCrammer
|
KML
|
Kedit Macro Library / Keyhole Markup Language
|
Google Earth
|
KMY
|
data
|
KMyMoney
|
KMZ
|
Keyhole Markup Language (Zip compressed)
|
Google Earth
|
Knn
|
Database key file
|
Clarion
|
KNO
|
Personal Knowbase data file
|
Personal Knowbase
|
KPL
|
source code
|
Phrogram
|
KPP
|
Toolpad
|
SmartPad
|
KPS
|
IBM KIPS bitmap graphics
|
|
KR1
|
Kurzweil 2000 sample file
|
AWAVE
|
KR2
|
Kurzweil 2000 sample file
|
AWAVE
|
KRZ
|
Kurzweil K2000 File
|
Kurzweil
|
KS
|
Source code
|
KonsolScript
|
KS3
|
Data
|
3D Forgastest Editor object
|
KTU
|
Know The Unknown Online Service Packs
|
Unknownsoft
|
KYB
|
Keyboard mapping
|
FTP Software PC/TCP
|
L
|
LEX source code file
|
|
L
|
Linker directive file
|
WATCOM wlink
|
L
|
LISP source code file
|
|
LA0
|
Datafile
|
SCUMM index file
|
LAB
|
Datafile
|
NCSS - SOLO
|
LAB
|
Mailing labels
|
Q+E for Microsoft Excel
|
LAN
|
Erdas image file
|
|
LAN
|
LAN Drivers
|
Novell NetWare
|
LAY
|
Word chart layout
|
APPLAUSE
|
LBG
|
Label generator data
|
dBASE IV
|
LBL
|
Label
|
dBASE IV - Clipper 5 - dBFast
|
LBM
|
Graphics format (Amiga)
|
Pic-view - Deluxe Paint
|
LBM
|
Linear bitmap graphics
|
XLib
|
LBO
|
Compiled label
|
dBASE IV
|
LBR
|
.LBR Archive
|
forCP/M and MS-DOS using the LU program
|
LBR
|
Display driver
|
Lotus 1-2-3
|
LBT
|
Additional (FPT) label description file
|
FoxPro
|
LBX
|
Main (DBF) label description file
|
FoxPro
|
LCF
|
Linker Control File
|
Norton Guides compiler
|
LCH
|
Chart
|
IBM Works for OS/2
|
LCK
|
Lockfile
|
Paradox
|
LCL
|
Data (FTP Software PC/TCP)
|
|
LCL
|
Data
|
FTP Software PC/TCP
|
LCN
|
Lection
|
WordPerfect
|
LCS
|
Datafile
|
ACT! History Files
|
LCW
|
Spreadsheet
|
Lucid 3-D
|
LD
|
Long Distance codes file
|
Telix
|
LDA
|
Absolute binary file (load image)
|
PDP-11, RT-11
|
LD1
|
Overlay file
|
dBASE
|
LDB
|
Data filer database
|
IBM Works for OS/2
|
LDB
|
Overlay file
|
Microsoft Access
|
LDF
|
Data filer form
|
IBM Works for OS/2
|
LDF
|
Library definition file
|
Geoworks Glue
|
LE
|
DOS/4GW executable image
|
DOS/4GW PM 32X DOS Extender
|
LES
|
Lesson (check *.cbt)
|
|
LEV
|
Level file
|
NetHack 3.x
|
LEX
|
Dictionary
|
Microsoft Word - Lexicon
|
LFL
|
LucasArts resource file
|
|
LFD
|
LucasArts resource file
|
LucasArts games
|
LFT
|
Laser printer font
|
ChiWriter
|
LG
|
Logo procedure definitions
|
LSRHS Logo
|
LGO
|
Logo for header and footer
|
SuperFax
|
LGO
|
Startup logo code
|
Windows 3.x
|
LHA
|
Archive
|
LHA/LHARC
|
LHW
|
Amiga archive
|
LHWARP
|
LIB
|
Library file
|
several programming languages
|
LIC
|
ライセンスファイル
|
多数
|
文書
|
LIF
|
アーカイブ
|
|
アーカイブ
|
LIF
|
CA Clipper packed file
|
CA Clipper installer
|
LIF
|
Logical Interchange Format data file
|
Hewlett-Packard
|
LIM
|
Archive
|
LIMIT
|
LIN
|
Line types
|
AutoCAD
|
LIS
|
Listing
|
VAX
|
LIT
|
Web3D File
|
Web3D
|
LIX
|
Log file (history)
|
Audit Command Language (ACL)
|
LJ
|
Text file for HP LJ II printer
|
|
LL3
|
LapLink III related file (document)
|
LapLink III
|
LM
|
Auran Jet LOD mesh table
|
Trainz
|
LMP
|
Demo for Doom (computer 3d game)
|
Doom - Doom2
|
LNG
|
Language definition file
|
|
LNK
|
Linker response file
|
.RTLink
|
LNK
|
Linker script
|
|
LNK
|
Windows 95 shortcut
|
Windows 95
|
LNK
|
Windows XP shortcut
|
Windows XP
|
LOD
|
Load file
|
|
LOG
|
Log file
|
Numerous systems
|
LOM
|
3D Model
|
Lock On: Modern Air Combat
|
LPC
|
Printer driver
|
TEKO
|
|
|
Lyrics data
|
LRF
|
Linker response file
|
Microsoft C/C++
|
LRF
|
Unencrypted BroadBand eBook file
|
Sony Librie eBook reader
|
LRP
|
Report
|
IBM Works for OS/2
|
LRS
|
Language Resource File
|
WordPerfect for Win
|
LRX
|
Encrypted BroadBand eBook file
|
Sony Librie eBook reader
|
LSA
|
Lightscape Technologies ASCII
|
|
LSB
|
Lightscape Technologies Binary
|
|
LSP
|
LISP source code file
|
Xlisp, AutoLISP
|
LSS
|
Spreadsheet
|
Legato - IBM Works for OS/2
|
LST
|
Aus. BOM Hourly weather Data
|
LST
|
Filelist
|
FRQView
|
LST
|
Keyboard macro
|
1st Reader
|
LST
|
List file (archive index - compiler listfile)
|
|
LST
|
Listing (e.g. source code)
|
|
LST
|
Map list
|
Holux - Alan
|
LST
|
Spool file
|
Oracle
|
LST
|
SLP output file
|
RT-11
|
LTA
|
Data
|
LithTech ASCII 3D object
|
LTM
|
Form (Lotus Forms)
|
Lotus
|
LUA
|
Lua script file
|
Microsoft Visual C++, Notepad++
|
LWD
|
Text document
|
Lotus Works
|
文書
|
LWO
|
Lightwave Object Format
|
|
LWP
|
Word processor
|
IBM Works for OS/2, Lotus Wordpro
|
文書
|
LXF
|
Lego Exchange Format
|
Lego Digital Designer data file
|
LXT
|
Temporal database file
|
GTKWave data file
|
LY
|
LilyPond Notation File
|
LilyPond
|
LYR
|
Lyrics (ASCII)
|
|
LZ
|
Archive
|
Lzip
|
LZD
|
Difference file for binaries
|
LDiff 1.20
|
LZH
|
アーカイブ
|
LHA/LHARC
|
アーカイブ
|
LZS
|
アーカイブ
|
LARC
|
アーカイブ
|
LZW
|
アーカイブ
|
LHWARP
|
アーカイブ
|
LZX
|
Amiga アーカイブ
|
LZX
|
アーカイブ
|
M
|
MATLAB M-File
|
MATLAB
|
M3U
|
M3U playlist file
|
Winamp, XMMS
|
M3U8
|
Unicode version of M3U playlist file (UTF-8)
|
Winamp, XMMS
|
M4A
|
Advanced Audio Coding
|
|
M7P
|
Multilizer 2007 and 2009 localization project file
|
Multilizer
|
MAG
|
MAGフォーマット
|
マルチペイント、他
|
画像
|
MAI
|
Mail
|
VAX
|
MAK
|
Makefile
|
|
MAK
|
Project file
|
VB - VC ++
|
MAKI
|
画像
|
MAKIちゃんローダー、他
|
画像
|
MAN
|
User guide (manual)
|
|
MAP
|
Color palette file
|
|
MAP
|
Format data
|
Micrografx Picture Publisher
|
MAP
|
Linker map file
|
|
MAP
|
Map file (usually created by compilers)
|
|
MAP
|
Map
|
Atlas MapMaker
|
MAP
|
Network map
|
AccView
|
MAP
|
Game map for Duke Nukem 3D
|
MAR
|
Assembly program
|
VAX Macro
|
MAR
|
Microsoft ARchive
|
MSN Explorer (possibly other Microsoft products too)
|
MAR
|
Mozilla ARchive
|
Mozilla Updater (used to house binary updates to products)
|
MAS
|
SmartMaster set
|
Freelance Graphics
|
MAT
|
Data
|
MATLAB
|
MAX
|
MAX source code file
|
|
MB
|
Memo field values for database
|
Paradox
|
MBK
|
Multiple index file backup
|
dBASE IV
|
MBX
|
Mailbox data
|
Eudora/ZERBERUS
|
MCC
|
Configuration file
|
Mathcad
|
MCD
|
MathCad file
|
MathCad
|
MCF
|
Font file
|
Mathcad
|
MCF
|
Photo book or photo calendar layout file
|
FotoInsight Designer
|
MCF
|
Multimedia Container Format (predecessor of Matroska)
|
MCI
|
MCI command script
|
Media Control Interface
|
MCL
|
Multi Edit macro library
|
Multi Edit
|
MCL
|
Cartesian manipulator for laser systems
|
MCP
|
Application script
|
Capsule
|
MCP
|
Printer driver
|
Mathcad
|
MCW
|
Text file
|
MacWrite II
|
|
|
Quake 1 Model File
|
id Software
|
|
|
Quake 2 Model File
|
id Software
|
|
|
Quake 3 Model File
|
id Software
|
|
|
Doom 3 and Quake 4 Model File
|
id Software
|
MD
|
Archive
|
mdcd10.arc
|
MDA
|
Data
|
Microsoft Access
|
MDA
|
Microsoft Access system database
|
Microsoft Access
|
MDB
|
Microsoft DataBase
|
Microsoft Access
|
データベース
|
|
|
Several uses
|
MDL
|
Model
|
3D Design Plus or Simulink
|
MDL
|
Spreadsheet
|
CA-Compete!
|
MDM
|
Modem definition file
|
TELIX
|
MDMP
|
Mini dumpfile
|
|
MDR
|
Microdrive file
|
ZX Spectrum emulator by g.a.lunter
|
MDS
|
Midi Session
|
Sound Imp.
|
MDT
|
Data table
|
Microsoft ILink incremental linker
|
MDX
|
Multiple index file
|
dBASE IV
|
MDZ
|
Text description of music module
|
Cubic Player - Cross-View
|
ME
|
MultiEdit configuration
|
MultiEdit
|
ME
|
Text file READ.ME
|
|
MEB
|
Macro Editor bottom overflow file
|
WordPerfect Library
|
MEC
|
MECCA source
|
Maximus
|
MED
|
Macro Editor delete save
|
WordPerfect Library
|
MED
|
Music format
|
MED/OctaMED
|
MEM
|
Macro Editor macro
|
WordPerfect Library
|
MEM
|
Memory variable save file
|
dBASE IV - FoxPro - Clipper
|
MEM
|
Memos datafile
|
Clarion
|
MEQ
|
Macro Editor print queue file
|
WordPerfect Library
|
MER
|
Macro Editor resident area (vakioalue)
|
WordPerfect Library
|
MES
|
Macro Editor work space file
|
WordPerfect Library
|
MES
|
Message
|
|
MET
|
Document
|
Omnipage Pro
|
MET
|
Macro Editor top overflow file
|
WordPerfect Library
|
MET
|
OS/2 graphics metafile
|
PICVIEW.EXE
|
MEU
|
Menu group
|
DOS Shell
|
MEX
|
Macro Editor expound file
|
WordPerfect Library
|
MEX
|
MEX file (executable command)
|
Matlab
|
MF
|
Metafont file
|
TeX
|
MFA
|
Source code file
|
Multimedia Fusion 2 / The Games Factory 2
|
MFF
|
MIDI
|
Cakewalk, MTPro 4
|
MFM
|
Music format
|
DMP
|
MGF
|
Font
|
Micrografx
|
MGF
|
Materials and Geometry Format
|
|
MGX
|
Designer 4.1 Drawing
|
Designer 4.1
|
|
|
Web Archive Single File
|
MIB
|
Snmp MIB file
|
|
|
|
Standard MIDI file
|
music synthetizers, Winamp
|
MIDI
|
See MID
|
MIFF
|
Magick Image File Format
|
|
MII
|
Datafile
|
MicroStat-II
|
MIME
|
Message in MIME format (RFC822)
|
|
MIO
|
MyInfo topic
|
Milenix MyInfo
|
MIS
|
Mission, used by many games
|
|
MIX
|
Object file
|
Power C
|
MK
|
Makefile
|
|
MK
|
Makefile
|
|
MK
|
Usually makefile
|
|
MKE
|
Makefile
|
Microsoft Windows SDK
|
MKG
|
Makefile
|
|
MKI
|
Graphics format (Japan MKI)
|
|
MKI
|
Japanese graphics MAKIchan format
|
MagView 0.5
|
MKS
|
Data
|
TACT
|
MKV
|
Matroska Multimedia Container
|
Media Player Classic, Windows Media Player, Matroska Splitter
|
ML3
|
Project
|
Milestones 3.x
|
MLB
|
Macro library file
|
RT-11, Symphony
|
MLI
|
3DS Materials Libraries
|
3D Studio
|
MLRAW
|
Data
|
Moonlight Creator RAW format 3D object
|
MLV
|
LabVIEW MathScript
|
MM
|
Text file
|
MultiMate Advantage II
|
MMF
|
Mail message file
|
Microsoft Mail
|
MMM
|
Multimedia movie file, RIFF RMMP format
|
MacroMind Director 3.x
|
MMO
|
Memo writer file
|
RapidFile
|
MMP
|
Output video format from Bravado board
|
|
MND
|
Menu source
|
AutoCAD Menu Compiler
|
MNG
|
Map
|
DeLorme Map'n'Go
|
MNT
|
Additional (FPT) menu description file
|
FoxPro
|
MNT
|
Menu memo
|
FoxPro
|
MNU
|
Advanced macro file
|
HP NewWave
|
MNU
|
Menu
|
AutoCAD Menu Compiler - Norton Commander - Signature
|
MNU
|
Microsoft Mouse menu (for DOS apps)
|
|
MNX
|
Compiled menu file
|
AutoCAD
|
MNX
|
Main (DBF) menu description file
|
FoxPro
|
MNY
|
Account book
|
Microsoft Money
|
MO?
|
Packed mail
|
FTN software
|
MOB
|
Device definition file
|
PEN Windows
|
MOBI
|
eBook
|
Mobipocket
|
MOD
|
Modula language source
|
|
MOD
|
MODULA-2 source code file
|
Clarion Modula-2
|
MOD
|
モジュールファイル
|
Windows
|
MOD
|
Music format (Amiga module)
|
DMP - ST - MDP - VP
|
MOL
|
MOD4WIN PlayList
|
Mod4Win
|
MOL
|
MDL Molfile
|
RasMol
|
MOL2
|
Tripos’ Sybyl MOL2 Format
|
SYBYL, RasMol
|
MON
|
SYSGEN monitor build procedure
|
RT-11
|
MON
|
Monitor description
|
ReadMail
|
MOP
|
MOPAC input file
|
MOPAC, RasMol
|
MOT
|
Motorola S-record
|
リンケージエディタの出力形式、ROMライタ
|
MOV
|
Animation format (Mac)
|
QuickTime
|
MOV
|
Movie file
|
AutoCAD AutoFlix
|
MP2
|
Mpeg audio file
|
Winamp, xing
|
|
|
MPEG オーディ オストリーム, レイヤー3
|
AWAVE, CoolEdit(+PlugIn), Winamp
|
音声
|
|
|
multimedia container format, MPEG 4 Part 14
|
Winamp
|
音声
|
MPA
|
MPEG audio stream, layer 1,2,3
|
AWAVE
|
音声
|
MPC
|
Calendar file
|
Microsoft Project
|
MPC
|
Musepack audio
|
|
音声
|
|
|
multimedia containter format, video, audio
|
MPEG Player, Winamp
|
音声/動画
|
MPG
|
MPEGを参照
|
|
音声/動画
|
MPKG
|
Multipackage installer script
|
macOS
|
MPL
|
MediaRack Midi Playlist
|
MediaRack
|
MPM
|
MathPlan macro
|
WordPerfect Library
|
MPO
|
JPEG Multi-Picture Object（英語版）
|
ステレオカメラ、ニンテンドー3DS
|
画像
|
MPP
|
Project file
|
Microsoft Project
|
|
|
Mo'PaQ Archive
|
Blizzard games
|
MPR
|
Generated executable menu file
|
FoxPro
|
MPR
|
Multilizer 5.x and 6.x localization project file
|
Multilizer
|
MPT
|
Bitmap graphics (Multipage TIFF)
|
|
MPV
|
View file
|
Microsoft Project
|
MPX
|
Compiled executable menu file
|
FoxPro
|
MPX
|
Video format
|
|
MPZ
|
Miradi Project Zipfile
|
Miradi
|
MRB
|
Multiple Resolution Bitmap graphics file
|
Microsoft C/C++
|
MRC
|
mIRC file
|
mIRC
|
MRK
|
Windows User Benchmark
|
Windows 95
|
MRS
|
Macro Resource file
|
WordPerfect for Win
|
MS
|
Microsoft antivirus report
|
MSAV
|
MSC
|
Microsoft C makefile
|
|
MSC
|
management saved console[2]
|
Microsoft; Microsoft MMC[3]
|
MSI
|
Windows Installer Package
|
Windows Operating Systems
|
MSDL
|
Manchester Scene Description Language
|
|
MSG
|
Message base (e.g. HMB)
|
|
MSG
|
Message text file (ASCII)
|
|
MSG
|
ZVoice digitized voice file
|
|
MSE
|
Set file
|
Magic Set Editor
|
MSO
|
Microsoft Word OLE Web Page Storage Stream
|
Microsoft Office
|
MSO
|
Microsoft Outlook metadata for a Microsoft Word 2000 email attachment.[4]
|
Microsoft Outlook
|
MSP
|
Bitmap graphics file
|
Microsoft Paint
|
MSP
|
Graphics format
|
Microsoft Paint
|
MSPRODUCER
|
Media Project
|
Microsoft Producer (for Microsoft PowerPoint XP/2003) Project
|
MSQM
|
data
|
Microsoft Message Queuing
|
MSN
|
Project
|
National Instruments for NI MultiSim-Electronic Circuit simulator
|
MSS
|
Manuscript text file
|
Perfect Writer - Scribble - MINCE - Jove
|
MST
|
Document
|
MS Test
|
MST
|
Minispecification file
|
Prosa
|
MST
|
Setup script file
|
Microsoft Windows SDK
|
MSW
|
Text file
|
Microsoft Word
|
MSX
|
CP/M archive
|
MSX
|
MTH
|
Math file
|
Derive
|
MTL
|
Wavefront
|
|
MTM
|
Music format
|
MultiTracker
|
MTS
|
Master Track Pro Files
|
MTPro 4
|
MTS
|
data
|
F1 2001, F1 2002 and F1 Challenge 1999 - 2002 car physics (All from the EA Sports F1 Series)
|
MTV
|
MTV Ray Tracer graphic file
|
|
MTW
|
Datafile
|
Minitab
|
MU
|
Quattro pro for DOS Menu definition file
|
Quattro Pro
|
MUS
|
Finale music document.
|
Finale
|
MUS
|
Music format (MIDI in Doom)
|
|
MUS
|
Sound file
|
MusicTime
|
MUZ
|
Hover Game MIDI File
|
Windows' Hover! Game [5]
|
MVF
|
Stop frame file
|
AutoCAD AutoFlix
|
MVI
|
Movie command file
|
AutoCAD AutoFlix
|
MVO
|
Data
|
Mad Virgin 3D object
|
MVW
|
Log file
|
Saber LAN
|
MWF
|
Animation
|
ProMotion
|
MWS
|
MWave DSP synths instrument
|
AWAVE
|
|
|
Material exchange format (RFC 4539, SMPTE 377M)
|
|
MXL
|
PackRat 5.0 support DLLs
|
PackRat 5.0
|
MXM
|
Material
|
Maxwell Render
|
MXP
|
Adobe Extension File
|
Adobe Dreamweaver and Adobe Flash
|
MXP
|
3ds Max Configuration File
|
3ds Max
|
MXP
|
MasterCook exported recipe
|
|
MXT
|
Data
|
Microsoft C
|
MYP
|
Presentation
|
MM Make Your Point
|
MZ
|
Binary-format Map
|
MazeEdit
|
MZE
|
Text-format Map
|
MazeEdit
|
MZG
|
Binary-format Map Collection
|
MazeEdit
|
MZX
|
Binary-format Encrypted Map
|
MazeEdit
|
NAM
|
Name Space Modules
|
Novell NetWare
|
NAP
|
Naplps file (VideoShow)
|
EnerGraphics
|
NAPLPS
|
North American Presentation Layer Protocol Syntax
|
|
NB
|
Text file
|
Nota Bene
|
NB
|
Wolfram Mathematica Notebook
|
Mathematica
|
NBF
|
Nokia Backup File
|
Nokia Mobile Phones
|
NC
|
Graphics
|
netcdf
|
NC
|
Instructions for NC (Numerical Control) machine
|
CAMS
|
NC
|
Non-error checking preprosessed Goc source code
|
Geoworks
|
NCC
|
CNC (Computer Numeric Control) control file
|
CamView 3D
|
NCD
|
Norton Change Directory support file
|
Norton Commander
|
NCP
|
Re-volt Collision file
|
Re-volt
|
NDB
|
Network database
|
Intellicom - Compex
|
NDS
|
ROM file
|
任天堂 DS
|
NDL
|
Nodelist file
|
|
NDX
|
Index file
|
dBASE II - III - IV - dBFast
|
NEO
|
Raster graphics file
|
Atari Neochrome
|
NES
|
iNES ROM image format
|
|
NET
|
Network configuration/info file
|
|
NEU
|
Pro/Engineer neutral file format
|
PTC Pro/Engineer
|
netCDF
|
Network Common Data Format
|
|
NEW
|
New info
|
|
NFF
|
Haines Neutral File Format
|
|
NFF
|
WorldToolKit Neutral File Format
|
|
NFO
|
Folioview database
|
|
NFO
|
Help format
|
Nextpage Folio
|
NFO
|
Info file
|
Compact NFO Viewer
|
NG
|
Hypertext Database
|
Norton Guide
|
NGO
|
NG linker object file
|
NGML
|
NGS ;
|
NG compiler source file
|
NGC
|
NIF
|
netimmerse/gamebyro file
|
NIL
|
NIL
|
Icon Hear-It
|
NITF
|
National Imagery Transmission Format
|
|
NK2
|
e-mail address autocomplete archive
|
Microsoft Office Outlook
|
NL
|
Norton Desktop Icon Library
|
|
NLM
|
Netware loadable module
|
Novell Netware
|
NLS
|
National Language Support file
|
MS-DOS
|
NLX
|
Form
|
FormWorx 3.0
|
nnn
|
Arj archive volumes up to 999
|
ARJ
|
nnn
|
Netware unicode rule table
|
Novell Netware
|
nnn
|
News about smth with ext. of ver. number
|
|
nnn
|
RAR archive volumes up to 999
|
RAR
|
| NOMEDIA
|
Android Nomedia Format[6]
|
Google Android
|
NOT
|
Notation
|
|
NOT
|
Yard Notes File
|
FYM
|
NP
|
Project schedule (Nokia Planner)
|
Nokia Planner
|
NPI
|
Source for DGEN.EXE interpreter
|
dBASE Application Generator
|
NPJ
|
Nile Project
|
Game Mission Editor
|
|
|
Nero Disc Image File
|
Nero Express / Burning ROM
|
NRW
|
Nikon Coolpix RAW image
|
Nikon
|
NSA
|
media
|
Nullsoft Streaming Audio
|
NSF
|
database
|
Lotus Notes
|
NSS
|
Norton screensaver module
|
NC - NDW Screen Saver
|
NST
|
Music module
|
Amiga Noise Tracker
|
NSV
|
media
|
Nullsoft Streaming Video
|
NSX
|
Compound index file
|
SuccessWare SIX 3.00
|
NT
|
Startup files
|
Windows NT
|
NTF
|
database design template
|
Lotus Notes
|
NTH
|
Nokia Theme File
|
Nokia PC Suite
|
NTR
|
Executable ASCII text file
|
netrun31.zip
|
NTS
|
Executable ASCII text file
|
netsend1.zip
|
NTS
|
Tutorial
|
Norton
|
NTX
|
Database index file
|
Clipper 5
|
NUF
|
Message for new users on their 1st call
|
Procomm Plus
|
NUMBERS
|
Numbers spreadsheet file
|
Numbers (Apple iWork '08)
|
NWS
|
Info text file (latest news) (ASCII)
|
|
NXT
|
Sound (NeXT format)
|
|
O$$
|
Outfile
|
Sprint
|
O
|
オブジェクトファイル
|
UNIX - Atari - GCCなど
|
O01
|
Typhoon vOice file
|
AWAVE
|
OAZ
|
Fax
|
NetFax Manager
|
OB
|
Object cut/paste file
|
IBM LinkWay
|
OBD
|
Microsoft Office Binder
|
MSOffice
|
OBJ
|
Compiled machine language code
|
Visual C++など
|
OBJ
|
Wavefront Object
|
|
OBJF
|
Data
|
Triangle strips object
|
OBR
|
Object browser data file
|
Borland C++
|
OBS
|
Script
|
ObjectScript
|
OBT
|
Microsoft Office Binder Template
|
MSOffice
|
OBV
|
Visual interface
|
ObjectScript
|
OBZ
|
Microsoft Office Binder Wizard
|
MSOffice
|
OCF
|
Object Craft File
|
Object Craft
|
OCD
|
OCAD Map File
|
OCAD
|
OCR
|
Incoming fax transcribed to text
|
FAXGrapper
|
OCT
|
Musical file
|
Pctalizer
|
OCX
|
New Custom Control's format in VB 4.0
|
Visual Basic
|
OCX
|
OLE custom control
|
|
ODB
|
OpenDocument database
|
OpenOffice.org Base
|
データベース
|
ODF
|
OpenDocument formula
|
OpenOffice.org Math
|
ODG
|
OpenDocument drawing
|
OpenOffice.org Draw
|
ODIF
|
Open Document Interchange Format
|
|
ODL
|
Object Description Language
|
|
ODL
|
Type library source
|
Visual C++
|
ODM
|
OpenDocument master document
|
OpenOffice.org Writer
|
文書
|
ODP
|
OpenDocument presentation
|
OpenOffice.org Impress
|
ODS
|
OpenDocument spreadsheet
|
OpenOffice.org Calc
|
表計算
|
ODT
|
OpenDocument text document
|
OpenOffice.org Writer
|
文書
|
OFD
|
Form definition
|
ObjectView
|
OFF
|
Object File Format vector graphics file
|
|
OFF
|
Object File Format vector graphics
|
|
OFM
|
PostScript font description file
|
|
OFN
|
Microsoft Office documents
|
Microsoft Office
|
|
|
Ogg multimedia container format
|
音声
|
OHB
|
Source
|
On Hand Basic
|
OHS
|
Outbound History
|
Bink/+
|
OIF
|
QuickBase file format
|
OKT
|
Music (8 channels)
|
Oktalyzer
|
OKT
|
Music format
|
Oktalyzer
|
OLB
|
Object library
|
VAX
|
OLD
|
Backup file
|
|
OLI
|
Text file
|
Olivetti
|
OLSR
|
Configuration file
|
olsrd
|
OMA
|
Audio file
|
Labelgate CD 2, MAGIQLIP2
|
音声
|
OOF
|
Data
|
Outrage 3D Object Format (Descent)
|
OOG
|
Data
|
WEBOOGL 3D object
|
OOM
|
Swap file
|
Shroom
|
OPJ
|
Origin Project File
|
Origin version 4.1 and later
|
OPN
|
Active options
|
Exact
|
OPT
|
オプションファイル
|
多数
|
OPT
|
Delphi project options
|
Borland Delphi
|
OPT
|
Optimize support file
|
QEMM
|
OPW
|
Organization chart
|
Org Plus for Windows
|
OPX
|
Inactive options
|
Exact
|
ORA
|
Parameter file
|
Oracle
|
ORG
|
Calendar file
|
Lotus Organizer
|
ORG
|
Older Origin Project
|
Origin versions 4 or earlier
|
OTG
|
OpenDocument drawing template
|
OpenOffice.org Draw
|
OTB
|
Over-the-air bitmap graphics
|
|
OTH
|
OpenDocument HTML document template
|
OpenOffice.org
|
OTL
|
Outline font description
|
Z-Soft Type Foundry
|
OTL
|
Ventura Publisher's Type Foundry Outline Editor format
|
|
OTP
|
OpenDocument presentation template
|
OpenOffice.org Impress
|
OTS
|
OpenDocument spreadsheet template
|
OpenOffice.org Math
|
OTT
|
OpenDocument text document template
|
OpenOffice.org Writer
|
文書
|
OTX
|
Text file
|
Olivetti Olitext Plus
|
OUT
|
Output file
|
|
OV1
|
Overlay file (part of program to be loaded when needed)
|
|
OV2
|
Overlay file (part of program to be loaded when needed)
|
TomTom Point of Interest
|
OVD
|
Datafile
|
ObjectVision
|
OVL
|
Overlay file (part of program to be loaded when needed)
|
|
OVR
|
Overlay file (part of program to be loaded when needed)
|
|
OXT
|
OpenOffice.org extension
|
OpenOffice.org
|
P
|
Database PROGRESS source code
|
PROGRESS
|
P
|
PASCAL source code file
|
|
P
|
Parser source code file
|
P
|
Picture file
|
APPLAUSE
|
P
|
Rea-C-Time application parameter file
|
ReaGeniX code generator
|
P0?
|
Split archive UC2
|
SAS.EXE
|
P10
|
Tektronix Plot
|
GCGW
|
P10
|
Certificate Request
|
|
P12
|
Personal Information Exchange
|
"Crypto Shell Extensions"
|
P16
|
Music (16 channels)
|
ProTracker Studio 16
|
P22
|
Patch file (Patch22)
|
Patch22
|
P80
|
PLM-80 source
|
P86
|
PLM-86 source
|
p2v
|
バックアップファイル
|
plan2viz (windowsbased)
|
P3T
|
PlayStation 3 Theme file
|
PS3 Theme settings menu
|
PA1
|
Worktable
|
PageAhead
|
PAC
|
SBStudio II Package or Song
|
SBStudio II
|
PAC
|
STAD Image (graphics ?)
|
|
PACK
|
|
|
PACKAGE
|
Content
|
The Sims 2
|
PAD
|
Automatic print definitions
|
Produa
|
PAD
|
Keypad definition
|
Telemate
|
PAF
|
For Personal Ancestral File data files
|
PAGES
|
Pages document file
|
Pages (Apple iWork '08)
|
PAK
|
Archive
|
Pak
|
PAL
|
Palette file
|
Microsoft Draw - Win. Paintbrush - many
|
PAL
|
Palette file
|
Diablo II
|
PAN
|
Printer-specific file (copy to coreldrw.ink)
|
CorelDRAW
|
PAR
|
Parameter file
|
Fractint
|
PAR
|
PARTS application
|
Digitalk PARTS
|
PAR
|
Permanent output file
|
Windows 3.x
|
PAR
|
Parity Archive
|
|
PAR2
|
Parity Archive v2
|
|
PART
|
Part of a download file
|
|
PAS
|
Pascal language source
|
Borland Pascal
|
PAT
|
Gravis Ultrasound Patch
|
Convert (c) Villena
|
PAT
|
Hatch patterns
|
AutoCAD - Photostyler
|
PAT
|
Vector fill files
|
CorelDRAW
|
PAT
|
Pattern File
|
Photoshop
|
PAT
|
GIMP pattern
|
PB
|
Fax
|
FAXability Plus
|
PB
|
Phonebook
|
WindowsFax Pro
|
PB
|
Proboard Conf. files
|
Proboard
|
PB
|
Setup file
|
PixBase
|
PB1
|
Document
|
First Publisher for Windows
|
PBA
|
Powerbasic BASIC source code
|
Genus
|
PBD
|
Phone book
|
FaxNOW! - Faxit
|
PBD
|
Molecule (protein data bank)
|
|
PBI
|
Powerbasic include file
|
Genus
|
PBI
|
Profiler Binary Input
|
Microsoft Source Profiler
|
PBK
|
Microsoft Network Phone book
|
MSN
|
PBL
|
Powerbasic library
|
Genus
|
PBM
|
PBM Portable Bit Map graphics format
|
Jasc Media C.
|
PBM
|
Planar bitmap graphics
|
XLib
|
PBO
|
Profiler Binary Output
|
Microsoft Source Profiler
|
PBT
|
Profiler Binary Table
|
Microsoft Source Profiler
|
PC
|
Text file containing IBM PC specific info
|
|
PC3
|
Custom palette
|
Harvard Graphics 3.0
|
PC8
|
ASCII text IBM8 character set
|
NewWave Write
|
PCA
|
Perfect Clarity Audio
|
Sony Vegas Pro
|
PCB
|
P-CAD database
|
P-CAD, PCBExpress, その他の Printed Curcuit Board ソフトウェア
|
PCB
|
Artwork design file (Circuit board design)
|
Zuken CadStar
|
PCC
|
Cutout picture vector graphics
|
PC Paintbrush
|
PCD
|
Graphics format (Kodak Photo-CD)
|
|
PCD
|
Kodak Photo-CD Image graphics file (768x512)
|
hpcdtoppm
|
PCF
|
Pixel Coordination Format
|
PCH
|
Patch file
|
|
PCH
|
Precompiled header
|
Microsoft C/C++
|
PCJ
|
Multimedia authoring tool graphics file
|
IBM's Linkaway-Live
|
PCK
|
Pickfile
|
Turbo Pascal
|
PCL
|
HP-PCL graphics data file
|
HP Printer Control Language
|
PCM
|
OKI MSM6376 synth chip PCM
|
AWAVE
|
PCM
|
PCM
|
Authorware
|
PCS
|
Microsoft PowerPoint picture package
|
Microsoft PowerPoint - Microsoft ClipArt Gallery
|
PCT
|
Bitmap graphics file
|
Macintosh b&w PICT1 - color PICT2
|
PCW
|
Text file
|
PC Write
|
|
|
PC paintbrush bitmap format
|
QPeg - Display - ZSoft - PC Paintbrush
|
PDA
|
Bitmap graphics
|
|
PDB
|
Data
|
TACT
|
PDB
|
Packrat 5.0 data file
|
Packrat 5.0
|
|
|
Molecule (protein data bank)
|
|
PDD
|
Adobe Photoshop Elements Image
|
Adobe Photoshop Elements
|
PDE
|
Pathology Data Exchange
|
PDE
|
data
|
PowerDesk Encrypted
|
|
|
Adobe's Portable Document Format
|
Adobe Acrobat Reader
|
PDF
|
Graphics file (ED-SCAN 24bit format)
|
|
PDF
|
Package Definition File
|
|
PDF
|
PCAD Database Interchange Format
|
Pdifin.exe - Pdifout.exe
|
PDF
|
Print device information Netware
|
|
PDG
|
Print Shop Deluxe data file
|
|
|
|
Portable Database Image
|
|
PDL
|
Project Description Language file
|
Borland C++ 4.5
|
|
|
Program
|
Deskmate
|
|
|
PowerDesigner's physical data model (relational model) file format
|
PowerDesigner
|
|
|
Visual Basic (VB) Project Information File
|
Visual Basic
|
PDN
|
Image file
|
Paint.NET
|
PDS
|
PALASM Design Description
|
|
PDS
|
Pds graphics
|
|
PDS
|
Planetary Data System Format
|
|
PDS
|
Pldasm source code file (hardware assembly)
|
|
PDV
|
Printer driver
|
Paintbrush
|
PDW
|
Document
|
Professional Draw
|
PEB
|
Program Editor bottom overflow file
|
WordPerfect Library
|
PED
|
Program Editor delete save
|
WordPerfect Library
|
PEM
|
Program Editor macro
|
WordPerfect Library
|
PEQ
|
Program Editor print queue file
|
WordPerfect Library
|
PER
|
Program Editor resident area
|
WordPerfect Library
|
PES
|
Program Editor work space file
|
WordPerfect Library
|
PET
|
Program Editor top overflow file
|
WordPerfect Library
|
pet
|
package[7]
|
Puppy Linux
|
PEX
|
Proboard EXecutable file (Executed from PB)
|
Proboard
|
PFA
|
PostScript Font File
|
|
PFA
|
Type 3 font file (unhinted PostScript font)
|
|
PFB
|
Adobe Acrobat document
|
Adobe Acrobat Reader
|
PFB
|
PostScript font
|
Adobe Type Manager (ATM)
|
PFC
|
Personal File Cabinet
|
AOL
|
PFC
|
Text file
|
First Choice
|
PFK
|
Programmable function keys
|
XTreePro
|
PFM
|
Windows Type 1 font metric file
|
|
PFS
|
Database (PFS:FILE) - text file (PFS:Write)
|
PFS
|
PFT
|
Printer font
|
ChiWriter
|
PG
|
Page cut/paste file
|
IBM LinkWay
|
PGD
|
|
PGP cripted disk
|
PGI
|
Printer Graphics File device driver
|
PGRAPH library
|
PGL
|
HP Plotter vector graphics format
|
|
PGM
|
Graphics format (Portable GrayMap)
|
JASC Media C.
|
PGM
|
Program
|
Signature
|
PGP
|
Support file
|
Pretty Good Privacy RSA System
|
PGS
|
Manual page
|
man4dos
|
PH
|
Optimized .goh file
|
Geoworks
|
PH
|
Perl header file
|
|
PH
|
Phrase-table
|
Microsoft C/C++
|
PHD
|
PolyHedra Database
|
|
PHM
|
Phone book
|
DN - Lync
|
PHN
|
Phone list
|
UltraFax - QmodemPro
|
PHO
|
Phone database
|
Metz Phone for Windows
|
PHP
|
PHP file
|
|
PHP3
|
PHP 3 file
|
|
PHP4
|
PHP 4 file
|
|
PHR
|
Phrases
|
LocoScript
|
PI2
|
Portrait Innovations High Resolution Encrypted Image file
|
Portrait Innovations Studio2 (proprietary)
|
PIC
|
123 Vector graphics format
|
CShow - Alchemy - Paint (Pictor)
|
画像
|
PIC
|
Bitmap graphics file
|
Macintosh b&w PICT1 - color PICT2
|
画像
|
PIC
|
Lotus picture
|
|
画像
|
PIC
|
PIXAR picture file
|
SDSC Image Tool
|
画像
|
PICT
|
Macintosh Picture
|
|
画像
|
PIE
|
GlovePIE script file
|
GlovePIE
|
PIF
|
OS/2 graphics metafile
|
PICVIEW.EXE
|
PIF
|
Program Information File
|
Windows 3.x
|
PIF
|
Vector graphics GDF format file (IBM mainframe computers)
|
|
PiM
|
Pascal Text Mode Image File
|
The Ultimate Draw
|
PIT
|
Compressed Mac file archive created by PACKIT
|
unpackit.zoo
|
PIV
|
Pivot Stick Animator file
|
Pivot Stick Animator
|
PIX
|
Alias image file
|
SDSC Image Tool
|
PIX
|
Inset Pix
|
|
PJ
|
Project
|
CA-SuperProject
|
PJT
|
Additional (FPT) project description file
|
FoxPro
|
PJX
|
Main (DBF) project description file
|
FoxPro
|
PK
|
PacKed bitmap font bitmap file (TeX DVI drivers)
|
|
PK
|
Peak file
|
Cool Edit
|
|
|
Quake 2 data file
|
id Software
|
|
|
Quake 3 data file
|
id Software
|
|
|
Doom 3 and Quake 4 data file
|
id Software
|
PKA
|
Archive
|
PKARC
|
|
|
Installer script
|
Next, macOS, Sony PS3
|
PKG
|
P-CAD database
|
P-CAD
|
PKT
|
Fido message packet
|
FTN software
|
PL
|
Palette
|
Harvard Graphics
|
PL
|
Perl source code file
|
|
PL
|
Prolog source code file
|
|
PL
|
Property List font metric file
|
TeX
|
PL1
|
Room plan
|
3D Home Architect
|
PL2
|
Palette
|
Diablo II
|
PL3
|
Chart palette
|
Harvard Graphics 3.0
|
PLA
|
Playlist
|
PLB
|
FoxPro library
|
FoxPro
|
PLB
|
P-CAD library
|
P-CAD
|
PLC
|
Add-in file (functions - macros - applications)
|
Lotus 1-2-3
|
PLC
|
P-CAD database
|
P-CAD
|
PLD
|
PhotoLine Document
|
PhotoLine image processing
|
PLE
|
Encrypted Chat Log
|
Messenger Plus! Live Plugin - Log viewer
|
PLIST
|
Mac OS Property List
|
Apple's Property List Editor
|
PLL
|
Prelinked library
|
CA Clipper
|
PLM
|
DisorderTracker2 music module
|
AWAVE
|
PLN
|
Spreadsheet
|
WordPerfect for Win
|
PLP
|
Playlist
|
PLP
|
Messenger Plus! Sound Pack
|
Messenger Plus! Live Plugin
|
PLS
|
Playlist file
|
WarpVision (OS/2)
|
PLSC
|
Messenger Plus! Script Pack
|
Messenger Plus! Live Plugin
|
PLSK
|
Messenger Plus! Skin Pack
|
Messenger Plus! Live Plugin
|
PLT
|
HPGL plotter file vector graphics
|
AutoCAD
|
PLT
|
Output file for ploter
|
|
PLT
|
P CAD: Output file editor for PCPLOT or PCPRINT
|
P CAD
|
PLT
|
Page Magic 2.0 paper format
|
Page Magic 2.0
|
PLT
|
Palette
|
|
PLT
|
Table for .pll
|
CA Clipper
|
PLY
|
Data
|
PopMail
|
PLY
|
Presentation screen
|
Harvard Spotlight
|
PLY2
|
Data
|
PLY2 object
|
PLY
|
ZipPack
|
|
PM
|
Auran Jet progressive mesh file (obsoleted by IM and LM)
|
Trainz
|
PM
|
Perl module
|
|
PM
|
Bitmap graphics
|
Presentation Manager
|
PM3
|
PageMaker 3.0 data file
|
PageMaker 3.0
|
PM4
|
Document
|
PageMaker 4
|
PM5
|
Aldus PageMaker 5.0 publication
|
Aldus PageMaker
|
PMC
|
Graphics
|
A4TECH Scanner
|
PMI
|
OS/2 V3 SVGA PMI-File
|
Svga.exe
|
PMI
|
PhatPad note
|
PathWare
|
PMM
|
Program file
|
Amaris BTX/2
|
PMP
|
PhotoMorph Project
|
PhotoMorph
|
PN3
|
Printer device driver
|
Harvard Graphics 3.0
|
|
|
Portable Network Graphics, Animated Portable Network Graphics
|
多数
|
画像/動画
|
PNF
|
Pre-compiled Setup Information file
|
Microsoft Windows
|
PNM
|
PBM Portable aNy Map graphics file
|
|
PNT
|
Macintosh painting
|
|
PNT
|
Pointlist segment
|
FTN software
|
PNT
|
QWK reader pointer file
|
MarkMail 2.x
|
POH
|
Optimized .goh file
|
Geoworks
|
POL
|
InnovMetric Software Polygon Models Format
|
|
POLICY
|
Group Policy File
|
Microsoft Windows
|
POLY
|
Data
|
Patrick Flynn's Poly Format - 3D object
|
POP
|
Messages index
|
PopMail
|
POP
|
Pop-up menu object
|
dBASE Application Generator
|
POT
|
Microsoft PowerPoint template
|
POV
|
Raytraced graphics image
|
Persistence Of Vision
|
POW
|
Power Chords instrument/song file
|
Power Chords
|
PP
|
Amiga archive
|
POWERPACKER
|
PPA
|
Microsoft PowerPoint Add-in
|
PPB
|
Button bar for Print Preview
|
WordPerfect for Win
|
PPD
|
PostScript printer description file
|
|
PPJ
|
Premiere Project
|
Premiere
|
PPK
|
Archive (using for many distributives)
|
PPK
|
PPL
|
PolaroidPalettePlus ColorKey device driver
|
Harvard Graphics 3.0
|
PPM
|
Graphics format (Portable PixelMap)
|
JASC Media C.
|
PPO
|
Preprocessor output
|
CA Clipper 5.*
|
PPP
|
Publication
|
PagePlus
|
PPS
|
Storyboard
|
Personal Producer
|
PPS
|
Microsoft PowerPoint Slideshow (stand alone slideshow)
|
PPT
|
Microsoft PowerPoint Presentation
|
Microsoft PowerPoint
|
PPTX
|
Office Open XML Presentation
|
PR1
|
Packrat 4.0 data file
|
Packrat 4.0
|
PR2
|
Packrat 4.x data file
|
Packrat 4.x
|
PR2
|
Presentation
|
Aldus Persuasion 2.x
|
PR2
|
Printer driver
|
dBASE IV
|
PR3
|
PostScript printer driver
|
dBASE IV
|
PR3
|
Presentation
|
Aldus Persuasion 3.x
|
PRD
|
Printer driver
|
|
PRE
|
Presentation
|
Freelance Graphics
|
PRE
|
Settings
|
Programmer's WorkBench, Microsoft C/C++
|
PRE
|
Stork graphic file
|
|
PRF
|
CheckIt Pro v1.0 data file
|
CheckIt Pro 1.0
|
PRF
|
Pixel Run Format graphics file
|
Improces - Fastgraph
|
PRF
|
Printer driver
|
dBASE IV
|
PRF
|
Profiler output
|
|
PRG
|
Program source code (e.g. Clipper language)
|
CA Clipper
|
PRG
|
Program source
|
dBASE IV - FoxPro - Clipper 5 - dBFast
|
PRG
|
Program
|
Atari
|
PRI
|
Printer definitions
|
LocoScript
|
PRJ
|
Borland C++ IDE project file
|
BC.EXE - BCW.EXE
|
PRK
|
SimPark Saved File
|
SimPark
|
PRM
|
Parameters
|
|
PRN
|
Printer driver
|
Signature
|
PRN
|
Text file
|
Lotus 1-2-3 - Symphony
|
PRN
|
Usually printer output file
|
|
PRO
|
Profile
|
used by many programs to store configuration data
|
PRO
|
Graphics profile file
|
DOS
|
PRO
|
Proboard conf. file
|
Proboard
|
PRO
|
Prolog language source
|
|
PRO
|
PROLOG source code file
|
|
PROJ
|
Project File (Interface Builder)
|
NeXT
|
PROPERTIES
|
Java properties file
|
Java applications
|
PROTO
|
Message specification
|
Google Protocol Buffers
|
PRR
|
The Perfect Resume data file
|
Perfect Resume
|
PRS
|
Norton Viewer DLL file
|
|
PRS
|
Presentation
|
Harvard Graphics Win
|
PRS
|
Printer Resource e.g. fonts
|
WordPerfect for Win
|
PRS
|
Procedure
|
dBASE IV
|
PRT
|
Pro/ENGINEER Part
|
Pro/ENGINEER
|
PRT
|
NX Part(旧Unigraphics)
|
NX,Unigraphics
|
PRT
|
P-CAD component
|
P-CAD
|
PRT
|
Part or Drawing
|
Cadkey
|
PRT
|
Printer driver
|
Dr. Halo
|
PRX
|
Compiled program
|
FoxPro
|
PS
|
Document in PostScript format
|
adobe
|
PSA
|
Archive (Pretty Simple Archive)
|
PSA.OUT (GNU)
|
PSD
|
Periscope Debbuger Def file
|
Periscope
|
PSD
|
Photoshop bitmap file
|
Photoshop document
|
PSE
|
see PSEG
|
|
PSEG
|
Bitmap graphics
|
IBM printer Page SEgment
|
PSF
|
Outline PostScript printer font
|
ChiWriter
|
PSM
|
Music format (Protracker Studio Module)
|
Protracker - MASI
|
PSM
|
Symbol table of IDE
|
Turbo Pascal
|
PSM
|
3D Model
|
18 Wheels Of Steel
|
PSN
|
Presentation file for Sound Script
|
Windows
|
PSP
|
image file with layers
|
Paint Shop Pro (all versions)
|
PSQ
|
Premiere Sequence
|
Premiere
|
PST
|
Postbox file
|
BMail
|
PST
|
Archive File
|
Microsoft Outlook
|
PSV
|
PlayStation 2/PlayStation 3 saved game
|
PlayStation 2 and PlayStation 3
|
PSW
|
File w/ passwords for any program/game
|
many
|
PT
|
Game crack
|
Player Tools
|
PT
|
Kodak Precition Color Management System
|
|
PT3
|
Device driver
|
Harvard Graphics 3.0
|
PT3
|
Template
|
PageMaker 3
|
PT4
|
Template
|
PageMaker 4
|
PT5
|
Aldus PageMaker 5.0 publication template
|
Aldus PageMaker
|
PTB
|
Power Tab Software
|
Power Tab Editor
|
PTB
|
Script
|
PubTech BatchWorks
|
PTF
|
Playstation Portable Theme file
|
PSP Theme settings menu
|
PTF
|
ProTools Session File
|
Digidesign ProTools
|
PTG
|
Panasonic Title Graphics
|
PTL
|
Premiere Title
|
Premiere
|
PTM
|
Macro
|
PubTech BatchWorks
|
PTM
|
Music format
|
|
PTM
|
Page Magic 2.0 template
|
Page Magic 2.0
|
PTN
|
Pattern
|
Cadkey
|
PTN
|
Pattern
|
CarveWright/CompuCarve Designer
|
PTR
|
OS/2 cursor image file
|
ICONEDIT.EXE
|
PTR
|
QWK reader pointer file
|
QMail
|
PTU
|
Performer Terrain Utilities
|
|
PUB
|
Package File
|
Exstream Dialogue
|
PUB
|
Page template
|
Microsoft Publisher
|
PUB
|
Public key ring file
|
Pretty Good Privacy RSA System
|
PUB
|
Publication
|
Ventura Publisher - 1st Publisher
|
PUD
|
Warcraft II Map file
|
Warcraft II
|
PUT
|
Archive
|
PUT
|
PUT
|
Graphics format
|
WScan
|
PVD
|
Script
|
Instalit
|
PVL
|
Library
|
Instalit
|
PVM
|
Texture Files
|
PVMEdit
|
PVT
|
Local Fidonet pointlist
|
FTN software
|
PW
|
Text file
|
Professional Write
|
PWF
|
Workflow Files
|
macOS Server Podcast Producer
|
PWK
|
Workspace File
|
PolyWorks
|
PWL
|
Password List
|
|
PWP
|
Text document
|
Professional WritePlus
|
PX
|
Paradox 3.0 file
|
Paradox 3.0
|
PXP
|
3DS Process file
|
3D Studio
|
PXR
|
Pixiar Picio
|
AltamiraComposer
|
PXZ
|
Compressed file to exchange media elements
|
PSALMO
|
PY
|
Python script file
|
Python interpreter
|
PYC
|
Compiled Python module
|
Python interpreter
|
PYI
|
Cognos Powerplay Model
|
|
PYO
|
Optimized compiled Python module
|
Python interpreter
|
PZD
|
Default settings
|
Pizazz Plus
|
PZI
|
Graphics format
|
PZP
|
PZO
|
Overlay file
|
Pizazz Plus
|
PZP
|
Palette
|
Pizazz Plus
|
PZS
|
Settings
|
Pizazz Plus
|
PZT
|
Transfer file
|
Pizazz Plus
|
PZX
|
Swap file
|
Pizazz Plus
|
Q0
|
Q0 graphic file
|
|
Q3S
|
Data
|
Quick3D Scene
|
QAG
|
Quick Access Group
|
Norton Desktop
|
QAP
|
Application
|
Omnis Quartz
|
QB
|
Tony Hawk's Pro Skater series scripting files
|
QBB
|
Quickbooks Backup File
|
|
|
Saved query (Query By Example, 例示による問い合わせ)
|
dBASE IV - Quattro Pro
|
QBO
|
Compiled query
|
dBASE IV
|
QBW
|
Spreadsheet
|
QuickBooks for Windows
|
QCH
|
Qt Compressed Help
|
Trolltech Qt Assistant
|
QCP
|
Mp3 extension on Motorola ringtones
|
Motorola Phones
|
QDF
|
Data file
|
Quicken data file
|
QDK
|
Backup of startup files created by Optimize
|
QEMM
|
QDn
|
Data file - segment n
|
Omnis Quartz
|
QDV
|
Graphics file
|
Steve Blackstock Giffer
|
QDR
|
Configuration file
|
Q-Dir
|
QEF
|
Query file
|
Q+E for Microsoft Excel
|
|
|
Quicken-specific implementation of the OFX specification
|
Intuit Quicken
|
QFX
|
Fax
|
QuickLink
|
QHC
|
Qt Help Collection
|
Trolltech Qt Assistant
|
QHCP
|
Qt Help Collection Project
|
Trolltech Qt Assistant
|
QHP
|
Qt Help Project
|
Trolltech Qt Assistant
|
|
|
Quicken Interchange Format
|
Intuit Quicken
|
QIZ
|
World book quiz
|
World Book
|
QLB
|
Quick library
|
Microsoft C/C++
|
QLC
|
ATM Type 1 fonts script
|
Adobe Type Manager
|
QLP
|
Printer driver
|
QuickLink
|
QM4
|
Options or services file
|
QMail 4.x Mail Door
|
QPR
|
Generated query program
|
FoxPro
|
QPR
|
Print queue device driver
|
OS/2
|
QPX
|
Compiled executable QBE query file
|
FoxPro
|
QRS
|
Equation Editor support file
|
WordPerfect for Win
|
QRT
|
Graphics format (QRT ray tracing)
|
|
QRY
|
Query
|
dBASE IV
|
QT
|
QuickTime movie (animation)
|
|
QTVR
|
QuickTime VR Movie
|
|
QVD
|
QlikView Document (Data)
|
QlikView Compressed Database File
|
QVW
|
QlikView Document (View)
|
QlikView Presentation File
|
QWK
|
QWK reader message file
|
|
QXD
|
Document
|
QuarkXPress
|
QXL
|
Element library
|
QuarkXPress
|
R
|
Ratfor file
|
|
R
|
Script file
|
R
|
R00, R01, ...
|
Part of a multi-file RAR archive.
|
R2D
|
Reflex 2 datafile
|
Reflex 2
|
R3D
|
Red Raw Video (raw video data created with a Red camera)
|
Red Camera
|
R8
|
Raw graphics file (one byte per pixel) plane one
|
PicLab
|
R8P
|
PCL 4 bitmap font file
|
Intellifont
|
RA
|
Remote Access conf. files
|
RA
|
RA0, RA1, ...
|
Part of a multi-file RAR archive.
|
|
RAD
|
2-op FM music
|
Reality AdLib Tracker
|
RAD
|
Radiance
|
|
RAL
|
Remote Access Language file
|
Remote Access
|
RAM
|
Ramfile
|
RealAudio
|
|
|
Archive
|
WinRAR
|
|
|
Graphics format
|
SUN Raster
|
RAT
|
Datafile (RATS)
|
|
RAW
|
HSI raw graphic file
|
|
RAW
|
PCM Signed Raw Sound File
|
|
RAW
|
QRT graphic file
|
|
RAY
|
Rayshade
|
|
RB
|
Ruby Script file
|
|
RBF
|
Datafile
|
Rbase
|
RC
|
Configuration file
|
emacs
|
RC
|
Resource Compiler script file
|
Microsoft C/C++, Borland C++
|
RC
|
Resource Script
|
Resource Writer
|
RC
|
UUPC configuration files
|
UUPC
|
RC
|
Windows resource compiler script
|
RC.EXE -Resource WorkShop - OS/2
|
RCG
|
Netscape newsgroup file (netsc.rcg)
|
|
RData
|
Data file
|
R
|
RDF
|
Compiled UIC source code
|
Geoworks UI Compiler
|
RDI
|
Device-independent bitmap file (RIFF RDIB format)
|
|
RDP
|
RDP connection
|
Remote Desktop connection
|
RDX
|
Datafile
|
Reflex
|
REC
|
Archivation protocol
|
ARCSERVE
|
REC
|
Datafile
|
EpiInfo
|
REC
|
Record file
|
Sprint
|
REC
|
Windows Recorder Macro File
|
WindowsRecorder
|
RED
|
Path info
|
Clarion Modula-2
|
RED
|
REDuced nodelist file
|
T-Mail nodelist Compiler
|
REF
|
Cross-reference
|
|
REG
|
OLE Registration file
|
Windows 3.x
|
REG
|
Registration information or key
|
|
REL
|
Foreground job relocatable file
|
RT-11
|
REM
|
Remarks definition
|
Sourcer
|
REM
|
Remarks
|
|
REP
|
QWK reader reply file
|
|
REP
|
Report file used by many applications
|
|
REP
|
Report
|
Report Designer - CodeReporter - DataBoss
|
REQ
|
File request
|
FTN Software
|
RES
|
Compiled resource
|
Microsoft C/C++, Borland C++
|
RES
|
DBASE resources
|
dBASE IV
|
RES
|
Windows compiled resource package
|
Windows
|
REV
|
Revision file
|
Geoworks
|
REX
|
PharLab executable file (old format)
|
PharLab
|
REX
|
Report definition
|
Oracle
|
REX
|
Rexx language source file
|
Rexx
|
REZ
|
Resource file
|
|
RF
|
Sun raster graphics file
|
|
RFT
|
DCA/RFT Revisable Format Text file
|
IBM DisplayWrite 4.0-5.1
|
文書
|
RGB
|
SGI RGB image file (RAW)
|
SDSC Image Tool
|
RGX
|
Symbol tables etc. info
|
ReaGeniX code generator
|
RH
|
Resource header file
|
Borland C++ 4.5
|
RH
|
Windows resource file header
|
RC.EXE
|
RHistory
|
Command history logfile
|
R
|
RI
|
Data
|
Lotus 1-2-3
|
RIB
|
Graphics (Renderman Interface Bytestream)
|
3D Reality
|
RIC
|
Fax
|
Ricoh
|
RIF
|
RIFF bitmap graphics (Resource Interchange File Format)
|
Fractal Design Painter
|
RIP
|
TeleGrafix Remote Imaging Protocol
|
Maximus 3.0
|
RIX
|
Graphics (ColoRIX Image File)
|
ColoRIX
|
RL4
|
Bitmap graphics
|
|
画像
|
RL8
|
Bitmap graphics
|
|
画像
|
RLA
|
Wavefront raster image file
|
SDSC Image Tool
|
RLB
|
Data hgw.rlb
|
Harvard Graphics Win
|
RLC
|
Graphics 1bit/pixel scanner output
|
|
RLD
|
Norton Commander 5.0 temp file
|
NC 5.0
|
RLD
|
OSIMapDef. RecLoad Definition
|
|
RLE
|
Utah Run Length Encoded rasterfile graphic file
|
SDSC Image Tool
|
RLZ
|
REALIZER source code file
|
CA-Realizer
|
RM
|
Real Media
|
Real Player
|
RMB
|
data
|
RegistryMaster
|
RMI
|
Windows alternate synthesized sound format
|
RIFF RMID format
|
RMK
|
Make file
|
CA Clipper - RMAKE
|
|
|
Real Media Variable Bitrate
|
Real player
|
RN
|
XPL program for Nota Bene users
|
|
RND
|
Rendering Slide
|
AutoCAD AutoShade
|
Rnn
|
Multi volume RAR archive
|
RAR
|
RNO
|
Runoff file
|
VAX
|
ROL
|
FM music Adlib Music File
|
Roland
|
音声
|
ROM
|
Read Only Memory image in emulators, AONs, etc.
|
|
ROO
|
CODASYL DBMS Database Root
|
Oracle
|
RPB
|
Data report file used by CP Backup
|
CP Backup
|
RPD
|
Database
|
RapidFile
|
RPF
|
AutoCAD pattern
|
ACAD
|
RPL
|
Text document
|
Replica
|
RPM
|
Red Hat Package Manager
|
Red Hat Linux
|
RPT
|
Report file used by many applications
|
|
RRD
|
Reduced Resolution Dataset
|
ESRI (GIS)
|
RS
|
Data file
|
Amiga Resource - Reassembler
|
RS_
|
Resource fork of a Macintosh file
|
Mac-ette
|
RSC
|
Resource file
|
ViewMax - many
|
RSL
|
Application - Project
|
resolver one
|
RSL
|
Resource Library used by PC Tools for Windows
|
PC Tools - Win
|
RSP
|
Response file
|
多数
|
RSP
|
Response File
|
OS/2
|
RSY
|
FLEXIT Multishot Survey Raw Data file
|
FLEXIT
|
RTF
|
Rich Text Format
|
ワードパッドなど多数
|
文書
|
RTFD
|
RTF-Packet
|
NeXT
|
RTL
|
HP RTL graphic file
|
|
RTL
|
Run-Time library
|
Norton Utilities
|
RTL
|
Text file
|
|
RTP
|
RTPatch software update package data file
|
Pocket soft patch
|
RTS
|
Realizer executable file
|
|
RTS
|
Runtime library file
|
CA-Realizer
|
RUL
|
Echo-conference rules
|
|
RUN
|
PC Tools for Windows batch file
|
PC Tools
|
|
|
pseudo-executable file
|
RUNZ Framework
|
RUS
|
Russian text
|
|
RV
|
Mobile pricelist data file
|
Mobile
|
RVF
|
|
TRichView
|
RVW
|
Review
|
|
RWS
|
Borland Resource Workshop symbol file
|
Resource Workshop
|
RWS
|
Resource Workshop data file
|
Borland C++
|
RWX
|
Criterion RenderWare
|
|
RWX
|
MEME Shape File
|
|
RWX
|
Script
|
RenderWare
|
RWZ
|
Microsoft Outlook Rules Wizard File
|
Microsoft Outlook
|
RXD
|
Reflex 1 datafile
|
Reflex 1
|
RZK
|
File Crypt password file
|
All text editors
|
RZX
|
File Crypt encrypted file
|
File Crypt (Akte Krypta, Kriptirnik)
|
S$$
|
Temporary sort file
|
Sprint
|
S
|
ASSEMBLY source code file
|
unix
|
S
|
Multi Edit macro file source
|
Multi Edit
|
S
|
MSTS Shape file
|
MSTS
|
S19
|
Motorola ASCII format of executables
|
S1K
|
S1000 Simnet Format
|
|
S3I
|
Digiplayer/ST3 Sample File
|
Digiplayer - ST3
|
S3M
|
Music (16 channels)
|
Scream Tracker 3.0 - DMP
|
S7I
|
Seed7 library / include file
|
Seed7 interpreter and compiler
|
SA?
|
Packed mail
|
FTN software
|
SAB
|
Saber file
|
Star Wars: Jedi Knight Jedi Academy
|
SAF
|
see SAIF
|
|
SAFE
|
SafeIT Encrypted
|
SAIF
|
Spatial Archive Interchange Format
|
|
SAL
|
Datafile
|
SORITEC
|
SAN
|
LucasArts' SMUSH/INSANE animation
|
SAM
|
Lotus Ami Pro data file
|
Lotus Ami Pro
|
文書
|
SAM
|
Text file
|
Samna - Lotus Ami/Ami Pro
|
SAR
|
Archive
|
SAR
|
SAT
|
ACIS
|
|
SATS
|
Static source
|
ATS
|
SAV
|
Backup file (saved file)
|
|
SAV
|
Configuration
|
|
SAV
|
Executable
|
RT-11
|
SAV
|
SPSS "System File"
|
PSPP
|
SAV
|
Saved game state
|
Spider Solitaire (Windows)
|
SAVER
|
Screensaver
|
macOS
|
SB
|
Audio file (signed byte)
|
|
音声
|
SB
|
Raw Signed Byte (8bit) data
|
AWAVE
|
SB
|
Raw Signed PCM Byte 8bit data
|
AWAVE
|
SB
|
Scratch project
|
Scratch
|
SB2
|
Scratch 2.0 project
|
Scratch
|
SBD
|
Storyboard
|
Storyboard Editor
|
SBI
|
Sound Blaster Instrument file (Creative Labs)
|
|
SBK
|
Emu SoundFont Bank (AWE32 Bank)
|
Convert (c) Villena
|
SBL
|
Stony Brook Pascal library
|
SB Pascal
|
SBP
|
DML program
|
Superbase 4
|
SBR
|
Support file
|
Source Browser
|
SBT
|
Notes related to record
|
Suberbase 4 Windows
|
SC
|
Display driver
|
Framework II
|
SC
|
PAL script
|
Paradox
|
SC
|
Script
|
Borland Paradox
|
SC2
|
Saved City
|
SimCity 2000
|
SC3
|
Renamed dBASE III screen mask file
|
dBASE IV
|
SC3
|
Screen device driver
|
Harvard Graphics 3.0
|
SC4
|
Saved City
|
SimCity 4
|
SC4
|
Game Scenario
|
RollerCoaster Tycoon Deluxe/Expansion Pack
|
SCA
|
Datafile
|
SCA
|
SCC
|
Text file
|
|
SCD
|
SCODOL film recorder (Scan Conversion Object Description Language)
|
SCODOL
|
SCF
|
Standard Chromatogram Format
|
Staden package
|
SCF
|
?
|
SimAnt or SimTown ??
|
SCF
|
Windows Explorer Command
|
Windows Explorer
|
SCF
|
Multimedia show
|
ScoreMaker
|
SCF
|
Spelling checker configuration file
|
Symphony
|
SCH
|
Project schedule
|
Schedule Publisher
|
SCH
|
Circuit Design Schematic
|
P-CAD - Orcad - Protel
|
SchDoc
|
Circuit Design Schematic
|
Protel - Altium Designer
|
SCI
|
Fax
|
SciFax
|
SCI
|
System Configuration Information
|
|
SCM
|
Scheme source code file
|
|
SCM
|
Schematic file (Circuit Diagram for PCB design)
|
Zuken CadStar
|
SCM
|
StarCraft mission
|
|
SCN
|
SCeNe RTrace
|
|
SCN
|
Screen file
|
Kermit
|
SCO
|
High score
|
|
SCP
|
Script
|
BITCOM
|
SCR
|
Any other screen system
|
|
SCR
|
DEBUG source code file
|
DOS Debug
|
SCR
|
Forth screen (source) file
|
Forth
|
SCR
|
Screen - screen snapshot
|
dBASE IV - Procomm Plus
|
SCR
|
Screen font
|
LocoScript
|
SCR
|
Screen saver
|
Windows 3.x
|
SCR
|
Screen snapshop
|
|
SCR
|
Script file source
|
TeleMate - Kermit - 1st Reader
|
SCT
|
Additional (FPT) screen description file
|
FoxPro
|
SCTOR
|
Raster graphics format
|
一部のオペレーティングシステム
|
SCX
|
Chart
|
Stanford Chart
|
SCX
|
Graphics format
|
ColoRIX
|
SCX
|
Main (DBF) screen description file
|
FoxPro
|
SCX
|
Starcraft: Brood War scenario
|
|
SCY
|
Security file
|
ReaGeniX
|
SD
|
Sound Designer I audio file
|
AWAVE
|
SD7
|
Seed7 source file
|
Seed7 interpreter and compiler
|
SDA
|
Fidonet's Software Distribution Network file archive description
|
|
SDC
|
Video
|
DigimaxMaster - Samsung NV3
|
SDC
|
Synopsys Design Constraints
|
Electronic Design Automation Tools
|
SDF
|
Microsoft SQL Server Compact Edition database file
|
|
SDF
|
Flight data
|
microdrones GmbH
|
SDF
|
Source definition file
|
Sourcer
|
SDF
|
System Data Format file (fixed length ASCII text)
|
|
SDI
|
Software Distribution Network Info file
|
|
SDK
|
Roland S-550/S-50/W-30 Disk Image
|
|
SDL
|
Alias Wavefront Scene Description Language
|
|
SDM
|
Signed Differential Mapping brain maps and/or distributions
|
Signed Differential Mapping
|
SDML
|
Spacial Data Modeling Language
|
|
SDN
|
Software Distribution Network compressd file archive
|
pak251.exe
|
SDR
|
SmartDraw File
|
SmartDraw Pro
|
SDS
|
MIDI Sample DUMP Standard File
|
|
SDTS
|
Spatial Data Transfer Standard
|
|
SDW
|
Ami Draw Symbol File
|
|
SDW
|
StarOffice/StarSuite ドキュメントファイル
|
OpenOffice.org Writer インストール/変更でのオプションのコンポーネント 旧バージョンのフィルターを追加でサポート
|
文章
|
SDX
|
Sample DUMP Exchange File
|
|
SEA
|
Self-Extracting compressed Macintosh file Archive
|
|
SEC
|
compressed file
|
|
SEC
|
Diskreet encrypted file
|
Diskreet
|
SEC
|
Secret key ring file
|
Pretty Good Privacy RSA System
|
SEC
|
Secured animation file
|
Disney Animation Studio
|
SEN
|
Scifer Archive Format ( Internal Header Mode]
|
|
SEP
|
Printer separator page
|
|
SEQ
|
ABI Text Sequence
|
Applied Biosystems
|
SEQ
|
Atari animation file
|
|
SEQ
|
Video
|
Tiertex video sequence
|
SEQ
|
Sequential Instruction File
|
Bubble Chamber
|
SES
|
Session info
|
Clarion Modula-2
|
SES
|
Multitrack Audio Session info
|
Adobe Audition
|
SET
|
Configuration file
|
1st Reader
|
SET
|
Driver sets created by Install
|
Symphony
|
SET
|
Extension used by Norton Backup and CPS Backup for setup info
|
Norton Backup - CPS Backup
|
SET
|
Hump Assignments File
|
FYM
|
SET
|
Setup options file
|
|
SET
|
YVD card set file
|
YVD
|
SF
|
IRCAM Sound File
|
CSound package - MixView sound sample editor
|
SF
|
JAR Digital Signature
|
SF
|
WPS attribute storage (OS/2 WorkPlace Shell) wp_root.sf
|
OS/2 WorkPlace Shell
|
SF2
|
Emu SoundFont Bank v2.0 file
|
AWAVE
|
SFB
|
HP Soft font (obsolete under Windows)
|
|
SFD
|
SoundStage Data file
|
AWAVE
|
SFF
|
Scene File Format
|
|
SFI
|
Graphics
|
SIS Framegrabber
|
SFI
|
Printer font (HP LaserJet landscape)
|
Ventura Publisher
|
SFL
|
PCL 4 bitmap font (landscape)
|
landscape - Intellifont -Ventura Publisher
|
SFN
|
Font
|
SPX
|
SFO
|
Bitstream font file - fontware format
|
|
SFP
|
PCL 4 bitmap font
|
portrait - Intellifont - Ventura Publisher
|
SFR
|
Sonic Foundry Sample Resource
|
AWAVE
|
SFS
|
PCL 5 scalable font file
|
Intellifont
|
SFT
|
Screen font
|
ChiWriter
|
SFX
|
SFX (self-extracting archives) script
|
RAR
|
SG1
|
Graphics
|
Stanford Graphics
|
SGF
|
Document with graphics
|
Starwriter
|
SGI
|
Graphics file
|
IRIS - Silicon Graphics
|
SGP
|
Statistics
|
STATGRAPHICS Plus
|
SGT
|
Save/get keyboard macro
|
Signature
|
SH
|
ASCII archive
|
SHAR
|
SH
|
Unix shell script
|
|
SH3
|
Presentation
|
Harvard Graphics 3.0
|
SHAR
|
Archive
|
UNSHAR (Unix)
|
SHB
|
Background
|
CorelShow
|
SHG
|
Segmented Hyper Graphics
|
Microsoft's shed.exe, JGsoft's Hotspot Builder, EC Software's Help and Manual
|
SHK
|
Apple II archive
|
SHRINKIT
|
SHM
|
Shell macro
|
WordPerfect Library
|
SHP
|
Shape file and source file for text fonts
ESRI shapefile
|
AutoCAD
ArcGIS
|
SHR
|
see SHAR
|
|
SHT
|
HTML format for WWW
|
NetScape
|
SHW
|
Presentation
|
Harvard Graphics 2.0 - CorelShow
|
SHW
|
Slide show
|
WordPerfect Presentations
|
SHX
|
Shape entities
ESRI shapefile
|
AutoCAD
ArcGIS
|
SIB
|
Sibelius file
|
Sibelius 1-5
|
SIF
|
Setup Installation Files info
|
Windows NT Setup
|
SIG
|
Current program settings
|
Signature
|
SIG
|
Signature file
|
ThunderByte AntiVirus - PopMail
|
SIK
|
Backup file (Sicherungskopie)
|
Microsoft Word
|
SIM
|
Simon document file - Simon instruction software editor
|
SIS
|
symbian file
|
SIT
|
Archive (Macintosh)
|
STUFFIT
|
SKP
|
Google SketchUp file
|
|
SKY
|
SYLK表計算ファイル
|
Microsoft Multiplan、他
|
表計算
|
SL
|
S-Lang source code file
|
|
SLB
|
P-CAD library (symbols)
|
P-CAD
|
SLB
|
Slide library
|
AutoCAD
|
SLC
|
SALT (script from Telix) compiled code
|
Telix
|
SLD
|
Slide
|
AutoCAD
|
SLDPRT
|
Part
|
SolidWorks
|
SLDASM
|
Assembly
|
SolidWorks
|
SLDDRW
|
Drawing
|
SolidWorks
|
SLI
|
Slide
|
MAGICorp Slide Service
|
SLK
|
Microsoft Excel import format
|
Microsoft Excel
|
SLK
|
SYLK Symbolic Link format data file
|
Microsoft MultiPlan
|
表計算
|
SLL
|
Sound data file
|
|
SLN
|
Visual Studio solution data file
|
Microsoft Visual Studio
|
ソリューションファイル
|
SLP
|
SLP command file created by SRCCOM
|
RT-11
|
SLP
|
Localization project file
|
Sisulizer
|
SLT
|
SALT Script Application Language for Telix script source
|
Telix
|
SLV
|
Solution for any game
|
many
|
SM
|
Maillist
|
SoftSpoken Mailer
|
SM
|
Script
|
ScriptMaker
|
SM
|
SMALLTALK source code file
|
|
SM
|
Text file
|
Samna Word
|
SM
|
StepMania Step File
|
StepMania
|
SMC
|
Super Nintendo ROM
|
|
SMF
|
Fax
|
SMARTFAX
|
SMK
|
Smacker Video Format (RAD Video)
|
|
SML
|
System Macro Library
|
RT-11
|
SMM
|
Ami Pro Macro File
|
Ami Pro
|
SMN
|
Font (ParaGraph's WorkScript format)
|
|
SMP
|
Sample (sound file)
|
|
SMP
|
Samplevision File
|
Samplevision
|
SMPL
|
Data
|
Megahedron 3D object
|
SMS
|
MSTS Sound managemant system file
|
MSTS
|
SMT
|
Text file
|
Smart Ware II
|
SN
|
Compressed song file
|
Sound Club editor
|
SND
|
Digitized sound file
|
Macintosh/ATARI/PC
|
SND
|
Power Chords drum sound file
|
Power Chord
|
SNDB
|
SQLNotes database
|
SQLNotes
|
SNG
|
Song (midi sound)
|
Midisoft Studio - Prism
|
SNO
|
SNOBOL4 source code file
|
|
SNP
|
Book-shelf for .BOO
|
READIBM
|
SNP
|
Microsoft Access report snapshot
|
SNP
|
Output video format from Computer Eyes equipment
|
|
SO
|
shared object, dynamically linked library
|
Unix
|
SOAR
|
Soar Production file
|
SOL
|
Solution e.g. game walkthroughs
|
|
SOL
|
Adobe Flash shared object ("Flash cookie")
|
Adobe Flash
|
SOM
|
Network serial numbers
|
Quattro Pro
|
SOM
|
Sort information
|
Paradox
|
SON
|
Song
|
SBStudio II
|
SOU
|
Temporary BATCH file
|
RT-11
|
SOU
|
SBStudio II Sound File
|
SBStudio II
|
SOU
|
Sound data (sound tool)
|
|
SP
|
Archive (unix)
|
SPLINT
|
SPC
|
Program
|
Microsoft Multiplan
|
SPC
|
Temporary file
|
WordPerfect for Win
|
SPC
|
SNES SPC-700 Sound File
|
Super Jukebox
|
|
|
Spectroscopic data (scientific)
|
Thermo Scientific
|
SPD
|
Scalable font
|
Speedo - Harvard Graphics 3.0
|
SPF
|
Slide presentation file
|
EnerGraphics
|
SPF
|
data
|
SQR Portable Format
|
SPG
|
Glossary
|
Sprint
|
SPI
|
Graphics (Siemens and Philips scanner)
|
|
SPIFF
|
Still Picture Interchange File Format
|
|
|
|
Spin source file
|
Parallax Propeller Microcontrollers
|
SPL
|
Archive
|
SPLINT
|
SPL
|
Customized printer driver
|
Sprint
|
SPL
|
Divided file segment
|
Slice
|
SPL
|
Personal spell dictionary
|
Signature
|
SPL
|
Print spooling file
|
Windows 3.x
|
SPL
|
Sample
|
|
SPM
|
Data wp{wp}.spm
|
WordPerfect
|
SPP
|
Printer file
|
Sprint
|
SPR
|
Document letter
|
Sprint
|
SPR
|
Generated executable screen file
|
FoxPro
|
SPR
|
Sprite
|
|
SPR
|
Story Board sprites
|
|
SPS
|
Exported SyncBack profile
|
SyncBack
|
SPS
|
Screen driver
|
Sprint
|
SPS
|
SPSSx source code file
|
VAX/VMS
|
SPT
|
Data support file
|
MITAC disk/system management utility pack
|
SPT
|
SPITBOL source code file
|
|
SPW
|
Worksheet
|
SigmaPlot
|
SPX
|
Compiled executable screen file
|
FoxPro
|
SPX
|
Ogg Speex bitstream[8]
|
Xiph.Org Foundation
|
SQD
|
Squish message base
|
Squish
|
SQI
|
Squish message base index
|
Squish
|
SQL
|
SQL language code
|
Any SQL database
|
SQL
|
Squish message base lastread pointers
|
Squish
|
SQM
|
Windows Live Messenger log file
|
|
SQN
|
Note file
|
SquareNote
|
SQZ
|
Archive
|
SQUEEZE
|
SQZ
|
FOXPRO Squeeze file
|
FOXPRO
|
SRC
|
Source code
|
Aurora Compiler
|
SRC
|
Multi-edit source
|
Multi-Edit
|
SRC
|
Source
|
DataFlex
|
SRF
|
Sun Raster File graphics file
|
|
SRP
|
Script
|
QuickLink
|
SRT
|
Subtitle format
|
SubRip
|
SS
|
Bitmap graphics
|
Splash
|
SS
|
Screen saver
|
DN
|
SSC
|
Celestia Solar System Catalog file
|
Celestia
|
SSD
|
Datafile
|
SAS/PC
|
SSF
|
Graphic file
|
SnagIt Studio File/PC
|
SSG
|
Saved game
|
Simsig
|
SSP
|
Datafile
|
SAS Transport
|
SSR
|
FLEXIT Singleshot Survey Raw Data file
|
FLEXIT
|
SST
|
AVHRR graphic file
|
|
SSV
|
Spreadsheet viewer file
|
|
ST
|
Instrument library
|
Scream Tracker
|
ST
|
SMALLTALK source code file
|
Little Smalltalk
|
ST
|
Stamp
|
NeoPaint
|
STA
|
Data file
|
Statistica
|
STA
|
Saved state
|
Reflection 4.0
|
STA
|
Stack
|
Spinmaker Plus
|
STB
|
Symbol table file
|
RT-11
|
STB
|
Stub library
|
Genus GX Kernel
|
STC
|
Celestia Star Catalog file
|
Celestia
|
STC
|
OpenOffice.org 1.*spreadsheet template
|
OpenOffice.org Calc
|
STD
|
State Transition Diagram graphic file
|
Prosa
|
STD
|
OpenOffice.org 1.*drawing template
|
OpenOffice.org Draw
|
STF
|
Archive
|
SHRINKTOFIT
|
STF
|
Setup Table File
|
|
STI
|
OpenOffice.org 1.*presentation template
|
OpenOffice.org Impress
|
STK
|
eBook
|
Starebook
|
STL
|
Stereolithography Interface Format
|
|
STM
|
Music format (4 channels) (Scream Tracker Module)
|
ST - DMP
|
STM
|
State Transition Diagram model file
|
Prosa
|
STO
|
Pascal stub OBJ file
|
Genus GX Kernel
|
STP
|
Subtitler Project
|
Belle Nuit Subtitler
|
STR
|
Gate3 table structure file
|
|
STR
|
Structure list object file
|
dBASE Application Generator
|
|
STR
|
Playstation video file
|
|
STS
|
Music format (Scream Tracker Song)
|
ST 2.0-2.3
|
STS
|
Project status info
|
Microsoft C/C++
|
STU
|
Studio Project
|
Pinnacle Studio (video editing software)
|
STW
|
Data file
|
SmartTerm for Windows
|
STW
|
OpenOffice.org 1.*text document template
|
OpenOffice.org Writer
|
STX
|
Electronic book
|
SmarText
|
STX
|
Music format
|
|
STX
|
Tax form
|
CA-Simply Tax
|
STY
|
Ami Pro Template (Style); used by other programs for `styles`
|
Ami Pro
|
STY
|
Style library or sheet
|
many
|
SU?
|
Packed mail
|
FTN software
|
SUB
|
Subtitle format
|
SubViewer; Author David Dolinski
|
SUF
|
Sony camera configuration file (setup.suf)
|
XDCAM-EX camcorders
|
SUI
|
SUIT library
|
Simple User Interface Toolkit
|
SUM
|
Summary
|
|
SUN
|
Sun rasterfile graphics file
|
|
SUO
|
Solution User Options for Microsoft Visual Studio
|
SUP
|
Supplementary dictionary
|
WordPerfect for Win
|
SVD
|
Autosave file for document
|
Microsoft Word
|
SVG
|
Autosave file for glossary
|
Microsoft Word
|
SVG
|
Scalable Vector Graphics, many
|
SVQ
|
MRC-Pro sequencers music format
|
Roland Corporation synths such as XP or Fantom series
|
SVS
|
Autosave file for style sheet
|
Microsoft Word
|
SVW
|
Super Video Windows
|
Conversion Artist
|
SVX
|
Interchange, 8SVX/16SV
|
AWAVE
|
SVY
|
FLEXIT Survey data
|
FLEXIT
|
SW
|
Raw Signed Word (16bit) data
|
AWAVE
|
SWF
|
Shockwave Flash
|
Macromedia
|
SWG
|
SWAG Pascal Snippets file
|
SWAG
|
SWP
|
Document backup
|
Sprint
|
SWP
|
Swap file
|
|
SWT
|
Hump Routes File
|
FYM
|
SXC
|
OpenOffice.org 1.*spreadsheet
|
OpenOffice.org Calc
|
SXD
|
OpenOffice.org 1.*drawing
|
OpenOffice.org Draw
|
SXG
|
OpenOffice.org 1.*master document
|
SXI
|
OpenOffice.org 1.*presentation
|
OpenOffice.org Impress
|
SXM
|
OpenOffice.org 1.*formula
|
OpenOffice.org Calc
|
SXP
|
3DS Process file
|
3D Studio
|
SXW
|
OpenOffice.org 1.*text document
|
OpenOffice.org Writer
|
SY1
|
SmartPix symbol library
|
Ami Pro
|
SY3
|
Harvard Graphics format
|
|
SY3
|
Symbol file
|
Harvard Graphics 3.0
|
SYD
|
Backup of startup files created by QEMM (?) autoexec.syd
|
|
SYD
|
Sysedit backup file
|
Sysedit
|
SYG
|
Monitor and handler files created by SYSGEN
|
RT-11
|
SYM
|
Compiler symbolic information file
|
|
SYM
|
P-CAD component (symbols)
|
P-CAD
|
SYM
|
Precompiled headers
|
Borland C++
|
SYM
|
Program symbol table
|
Power C, Microsoft ILink incremental linker
|
SYM
|
Symbol file
|
Harvard Graphics 2.0, Microsoft Windows SDK
|
SYN
|
SDSC Synu image file
|
SDSC Image Tool
|
SYN
|
Synonym file
|
Microsoft Word 5
|
SYS
|
Datafile
|
SYGRAPH - SYSTAT - SPSS/PC
|
SYS
|
System file - device driver or hardware configuration info
|
DOS
|
SYW
|
Graphics file (symbol)
|
Harvard Graphics Win
|
SYW
|
Yamaha SY-85/SY-99 Wave File
|
Convert (c) Villena
|
T
|
Archive without compression (tape)
|
tar
|
T
|
TADS source
|
|
T
|
Tester symbol table
|
ReaGeniX code generator
|
T?H
|
Turbo Help file (Pascal, C, Assembler, ...)
|
Borland Thelp
|
T$M
|
??? - Found in Windows (Vista) temp folder c:\windows\temp
|
T2B
|
Bookeen Cybook thumbnail
|
Cybook
|
T2L
|
True2Life file format
|
3D Internet content developers
|
T44
|
Temporary file for Sort or Index
|
dBASE IV
|
T64
|
Program
|
C64S emulator
|
TAG
|
Query tag name
|
DataFlex
|
TAH
|
Help file for Turbo Assembler
|
Borland C++
|
TAL
|
Adobe Type Align
|
Adobe
|
TAL
|
Text illustration
|
TypeAlign
|
TAP
|
Tape file
|
ZX Spectrum emulator by g.a.lunter
|
|
|
アーカイブ
|
TAR
|
アーカイブ
|
TAZ
|
アーカイブ
|
WindowsZipNT - TAR - COMPRESS
|
アーカイブ
|
TB
|
Tab file (Virtual Desktop Tab)
|
Tabbery
|
TB1
|
Font file
|
Borland Turbo C
|
TB2
|
Font file
|
Borland Turbo C
|
TBF
|
Fax
|
Imavox TurboFax
|
TBK
|
FOXPRO template backup file
|
FOXPRO
|
TBK
|
Memo backup
|
dBASE IV - FoxPro
|
TBK
|
Toolbook
|
Asymetrix ToolBook
|
TBL
|
Short for Table
|
used by many programs
|
TBL
|
Aldus TableEditor file
|
TableEditor
|
TBL
|
Gate3 table file
|
|
TBL
|
Graphics file (native format)
|
PageMaker TableEditor
|
TBL
|
Table of values
|
OS/2
|
TBR
|
Norton Desktop custom toolbar
|
NDW
|
TBS
|
Text elements ?? (Textbausteine)
|
Microsoft Word
|
TBX
|
Table
|
Project Scheduler 4
|
TBZ
|
アーカイブ
|
WindowsZipNT - TAR - Bzip2
|
アーカイブ
|
TC
|
Configuration
|
Turbo C - Borland C++
|
TCH
|
Help file
|
Turbo C - Borland C++
|
TCL
|
Tool Command Language source code
|
Swat
|
TCT
|
Drawing Template
|
TurboCAD for Windows
|
TCW
|
Native Drawing File
|
TurboCAD for Windows
|
TD
|
Config from Turbo Debugger
|
Turbo Debugger
|
TD0
|
Compressed diskette in a file
|
Teledisk
|
TD2
|
Configuration file
|
Turbo Debugger for Win32
|
TDB
|
Database
|
TACT
|
TDDD
|
Imagine Object File Format
|
|
TDF
|
Speedo font file
|
|
TDF
|
Typeface definition file
|
Speedo
|
TDH
|
Help file for Turbo Debugger
|
Borland C++
|
TDK
|
Keystroke recording file
|
Turbo Debugger
|
TDR
|
Contens of Arvid tape
|
|
TDS
|
Symbol table
|
Turbo Debugger
|
TDT
|
Thumbnail data
|
AVCHD
|
TDW
|
Configuration file
|
Turbo Debugger for Windows
|
TEC
|
Data
|
TECPLOT output
|
TEC
|
TECO macro file ("compiled" form)
|
TECO
|
TEF
|
Fax
|
Relisys TEFAX
|
TEL
|
Host file
|
Telnet
|
TEM
|
Input template
|
IconAuthor
|
TEM
|
Turbo Editor Macro Language script
|
Borland C++
|
TERM
|
Terminal File
|
|
TES
|
TECO macro file (source form)
|
TECO
|
TET
|
Tetris results
|
DN
|
TEX
|
Datasheet
|
Idealist
|
TEX
|
TeXテキストファイル
|
Scientific Word - TeX
|
文書
|
TEX
|
Image
|
Slimtex
|
TEXT
|
テキストファイル
|
|
文書
|
TF
|
Configuration
|
Turbo Profiler
|
TFA
|
Area file
|
Turbo Profiler
|
TFC
|
Catalogue file
|
Tobi's Floppy Cataloguer
|
TFF
|
self executing TansForm dialogue
|
TansForm
|
TFH
|
Help file for Turbo Profiler
|
Borland C++
|
TFM
|
Tagged font metric file
|
Intellifont
|
TFM
|
TeX Font Metric file
|
TeX
|
TFS
|
Statistical information
|
Turbo Profiler
|
TG1
|
Project file
|
On Target
|
TGA
|
Targa True Color bitmapped format
|
Paint.NET
|
TGZ
|
アーカイブ
|
WindowsZipNT - TAR - GNUzip
|
アーカイブ
|
TH?
|
Packed mail
|
FTN software
|
THE
|
Windows'95 デスクトップテーマ
|
Microsoft Plus
|
THM
|
Thumbnail or Theme File
|
Picture Publisher, PhotoMagic, Canon Digital Cameras, Sony Digital Camerasなど多数
|
THS
|
Thesaurus dictionary
|
WordPerfect for Win
|
|
|
Acronis True Image Backup
|
Acronis True Image
|
TIC
|
FTN special file with assotiated file description
|
ALLFIX
|
TIF
|
TIFFを参照
|
|
画像
|
|
|
TIFF (tagged image format file) bitmapped file
|
Alchemy - PhotoStyler -PageMaker - CorelDRAW
|
画像
|
TIL
|
Fuzzy logic knowledge base
|
Togai InfraLogic Fuzzy-C Compiler
|
TIS
|
Tile set
|
MahJongg 3.0
|
TJL
|
Backup file
|
VAXTPU editor
|
TLB
|
Interoperability Type Library
|
Windows 95
|
TLB
|
Reference table
|
Bubble Chamber
|
TLB
|
Text library
|
VAX
|
TLB
|
Type library
|
Visual C++
|
TLC
|
Compiled Tool Command Language source code
|
Swat
|
TLD
|
Disk Image
|
Teledisk
|
TLH
|
Typelib Generated C/C++ Header
|
Visual C++
|
TLP
|
Project
|
TimeLine
|
TM2
|
Typical Meteorological Year data (new)
|
Typical Meteorological Year
|
TMF
|
Tagged Font Metric file
|
WordPerfect for Win
|
TMF
|
TiVo movie
|
TiVo
|
動画
|
TMO
|
ZTG global optimizer default output file
|
Zortech C++
|
TMO
|
HandsHigh ThoughtManager Outline
|
ThoughtManager Desktop
|
TMP
|
Temporary file
|
ALL PROGRAMS
|
TMS
|
TeleMate compiled script
|
TeleMate
|
TMY
|
Typical Meteorological Year data (old)
|
Typical Meteorological Year
|
TMY2
|
Typical Meteorological Year data (new)
|
Typical Meteorological Year
|
TOC
|
Table Of Contents text file (ASCII)
|
|
TOK
|
Borland C++ 4.x reserved word list
|
BCW.EXE
|
TOPC
|
TopicCrunch SEO Project file (ASCII)
|
|
TORRENT
|
TORRENT File
|
μTorrent
|
|
|
Character file
|
The Only Sheet
|
TOS
|
Self-extracting file archive (Atari ST)
|
|
アーカイブ
|
TP
|
Session-state file
|
Turbo Profiler
|
TP
|
Turbo Pascal cfg file
|
Turbo Pascal
|
TP
|
TinkerPlots Document
|
TinkerPlots and Fathom Dynamic Data Software
|
TP3
|
Template
|
Harvard Graphics 3.0
|
TPB
|
Downloadable PCL Soft font file backup
|
HiJaak
|
TPC
|
エクスポートファイル
|
3D Topicscape
|
TPF
|
Downloadable PCL Soft font file
|
HiJaak
|
TPF
|
Print data in EMF format
|
ThinPrint
|
TPH
|
Help file
|
Turbo Pascal
|
TPL
|
Resident units library
|
Turbo Pascal
|
TPL
|
Template file
|
GoldEd -ITrack
|
TPL
|
Template
|
Harvard Graphics 2.0
|
TPOLY
|
Data
|
TPOLY 3D object
|
TPP
|
Protected Mode Units
|
Borland Pascal 7.0
|
TPU
|
Borland Pascal DOS Mode Library
|
Borland Pascal
|
TPU
|
Command file (VAXTPU editor)
|
VAXTPU editor
|
TPW
|
Borland Pascal Windows Library
|
Borland Pascal
|
TPW
|
Session-state file
|
Turbo Profiler for Windows
|
TPZ
|
アーカイブ
|
TAR - GNUzip
|
アーカイブ
|
TR
|
Man page input suitable for troff -man
|
cawf2.zip
|
TR
|
Session-state settings
|
Turbo Debugger for DOS
|
TR2
|
Session-state settings
|
Turbo Debugger for Win32
|
TRC
|
Debug support file
|
Power CTrace
|
TRE
|
Directory tree file
|
PC-Tools
|
TRD
|
Datafile
|
TrID file identifier filetypes definitions package
|
TRIA
|
Data
|
Greg Hood's ASCII Triangle
|
TRIB
|
Data
|
Greg Hood's Binary Triangle
|
TRIF
|
Tiled Raster Interchange Format
|
|
TRK
|
Track (i.e. video sequence), used by many games
|
|
TRM
|
Terminal settings
|
Windows 3.x
|
TRN
|
Translation support file
|
Quattro - Clarion
|
TRS
|
Executable file
|
Micrografx or password file
|
TRS
|
WiSo Mein Geld 2007
|
|
TRS
|
IBM Mainframe log file
|
TRSMAIN
|
TRU
|
True Basic source file
|
|
TRW
|
Session-state settings
|
Turbo Debugger for Windows
|
TRY
|
Typical Meteorological Year data (variant)
|
TRNSYS
|
TS
|
Qt Linguist TS File
|
Trolltech Qt Linguist
|
TSE
|
Data
|
Light Map Maker ASCII Scene
|
TSK
|
Microsoft Multimedia Task Application
|
Windows 95
|
TSM
|
Turbo Assembler Manual
|
TASM for OS/2
|
TST
|
Printer test file
|
WordPerfect for Win
|
TSV
|
Tab Separated Values
|
|
TTF
|
TrueType Font file
|
|
TU?
|
Packed mail
|
FTN software
|
TUD
|
The Ultimate Draw file
|
The Ultimate Draw
|
TUT
|
Tutorial
|
|
TV
|
Table view settings
|
Paradox
|
TVF
|
Table view settings
|
dBASE
|
TVn
|
Overflow file above insert point in Doc n
|
WordPerfect for Win
|
TXF
|
Tax eXchange Format
|
|
TXI
|
Support file
|
TeX
|
|
|
ASCIIテキストファイルの一般的な名称
|
メモ帳、テキストエディタなど多数
|
文書
|
TXT
|
Tab-Delimited Text File
|
Microsoft Excel
|
TXW
|
Yamaha TX-16W Wave File
|
Convert (c) Villena
|
TY
|
TiVo movie
|
TiVo
|
動画
|
TYM
|
Time Stamp (PageMaker 4)
|
PageMaker 4
|
TZ
|
アーカイブ
|
TAR - COMPRESS
|
アーカイブ
|
TZB
|
アーカイブ
|
TAR - COMPRESS - BTOA
|
アーカイブ
|
TZL
|
Tanzzle pattern file
|
Tanzzle
|
TZX
|
Tanzzle image file
|
Tanzzle
|
U3D
|
Model file format
|
Ultimate 3D
|
U3D
|
Universal 3D
|
Adobe Acrobat
|
U8
|
Sample
|
|
UB
|
Raw Unsigned Byte (8bit) data
|
AWAVE
|
UC2
|
アーカイブ
|
UC II
|
アーカイブ
|
UCN
|
New archive
|
UC II
|
UCS
|
Unknownsoft Service Pack (mainly for Shadow OS 2009)
|
Unknownsoft Computer Systems
|
UDF
|
Filter
|
Photostyler
|
UDO
|
Data
|
Moray User Defined Object
|
UDW
|
Raw Unsigned DWord data
|
AWAVE
|
UE2
|
Encrypted archive
|
UC II
|
UFI
|
data
|
UFO CaptureV2 settings
|
UHA
|
UHarc archive
|
UHarc
|
アーカイブ
|
UHS
|
Universal Hint System (binary file)
|
|
UI
|
Espire source code file
|
Geoworks UI Compiler
|
UI
|
Qt Designer's UI File
|
Trolltech Qt Designer
|
UI
|
User interface
|
Sprint
|
UIF
|
Long prompts for windows
|
WordPerfect for Win
|
UIH
|
Espire header file
|
Geoworks UI Compiler
|
UL
|
ULAW audio file
|
|
ULD
|
Information about uploaded files
|
Procomm Plus
|
ULF
|
data
|
MRF Mapping Tool Kit Universal List Format
|
ULT
|
Music
|
UltraTracker
|
UMB
|
Backup file
|
MemMaker
|
UNF
|
Universal NES Image Interchange File Format
|
|
UNI
|
Datafile
|
Forecast Pro
|
UNI
|
Music format
|
UNIMOD - MIKMOD
|
UNIF
|
Universal NES Image Interchange File Format
|
|
UNX
|
Text file containing UNIX specific info
|
|
文書
|
UOML
|
UniqueObject Markup Language (UOML) is a XML-based markup language
|
|
UOP
|
Uniform Office Format presentation
|
|
UOS
|
Uniform Office Format spreadsheet
|
|
表計算
|
UOT
|
Uniform Office Format text
|
|
文書
|
UPD
|
Update data
|
dBASE
|
UPO
|
Compiled update data
|
dBASE
|
URL
|
Internetショートカット (URL)
|
Windows Explorer
|
URT
|
Utah Raster Toolkit
|
|
USE
|
Log file
|
|
USP
|
Printer font with USASCII extended character set
|
PageMaker
|
USR
|
User database file
|
Procomm Plus - Turbo C++ tour
|
UT!
|
datafile
|
uTorrent
|
UTZ
|
Mobile Phone Theme
|
Sony Ericsson
|
UU
|
Encoded file (ASCII)
|
UUENCODE/UUDECODE
|
UUE
|
Encoded file (ASCII)
|
UUENCODE/UUDECODE
|
UW
|
Raw Unsigned Word 16bit data
|
AWAVE
|
UWF
|
UltraTracker WaveSample
|
UltraTracker
|
V
|
Consistency check support file
|
ReaGeniX code generator
|
V
|
Main input file for an image
|
Vivid 2.0
|
V
|
Verilog HDL file
|
Verilog HDL compiler
|
V
|
Coq script file
|
coq compiler
|
V1, V2, ...
|
Split parts of a whole file
|
JJSplit
|
V8
|
Covox 8bit file
|
AWAVE
|
V10
|
Data
|
Gouraud Shaded Vectors
|
V2D
|
Voucher design file
|
Voucher management included in JFire (e.g. when printing a voucher)
|
VAI
|
multimedia
|
PhotoDub document
|
VAL
|
Validity checks and referential integrity
|
Paradox for Windows
|
VAL
|
Values list object file
|
dBASE Application Generator
|
VALA
|
Sourcecode
|
Vala
|
VAN
|
Animation
|
VistaPro
|
VAP
|
Value Added Process
|
NetWare 2.xx
|
VAP
|
Dialogic indexed adpcm voice file
|
VBASE/40
|
VAR
|
Variable file
|
IconAuthor
|
VB
|
Visual Basic .Net ソースファイル
|
Visual Basic .NET
|
VBPROJ
|
Visual Basic .Net Visual Studio プロジェクトファイル
|
Visual Studio .NET 2003
|
VBR
|
Visual Basic カスタムコントロール
|
Visual Basic
|
VBS
|
VBScriptスクリプトファイル
|
VBScript
|
VBX
|
Visual Basic 拡張ファイル
|
Visual Basic
|
VBZ
|
Visual Basic セットアップウィザード テンプレート
|
Setup Wizard
|
VC6
|
Graphite - 2D and 3D drafting
|
Ashlar-Vellum
|
VC
|
Include file with color definitions
|
Vivid 2.0
|
VC
|
Spreadsheet
|
VisiCalc
|
VCA
|
Visual Clip Art
|
|
VCD
|
VideoCD
|
|
VCD
|
VirtualDrive CD Image File
|
|
VCD
|
Value Change Dump (Verilog) temporal database file
|
|
VCD
|
VisualCADD Drawing File
|
|
VCR
|
VCR drivers for Arvid
|
|
VCW
|
Visual workbench information
|
Microsoft Visual C++
|
VCX
|
表計算
|
VisiCalc Advanced
|
VDA
|
Bitmap graphics
|
|
VDO
|
Story Board video image
|
Story Board
|
VDR
|
Drawing
|
ComputerEasy Draw
|
VEG
|
Vegas Project
|
Sony Vegas
|
VEW
|
GroupWise for Windows
|
Windows
|
VEW
|
View file
|
Clipper 5 - Lotus Approach
|
VFA
|
FontLab Database file
|
FontLab
|
VFM
|
Ventura Font Metrics file
|
|
VFM
|
Voting Form
|
Voter
|
VFN
|
Voting Form for Customers
|
Voter
|
VGA
|
VGA display driver
|
|
VGA
|
VGA display font
|
|
VGD
|
VGA display driver
|
Generic CADD
|
VGR
|
Graphics file
|
Ventura Publisher
|
VI
|
LabVIEW Virtual Instrument
|
LabVIEW
|
VI
|
Graphics file
|
Jovian Logic VI
|
VI
|
Watcom editor script
|
VI.EXE
|
VIC
|
「VICAR」を参照。
|
|
VICAR
|
Graphics (Video Image Communication and Retrieval)
|
|
VID
|
Bitmap graphics (YUV12C M-Motion Frame Buffer)
|
|
VID
|
Graphics format
|
Word&Deed
|
VID
|
MS-DOS Shell Monitor file
|
MS-DOS 5
|
VID
|
Screen device driver
|
Word
|
VIF
|
see VIFF
|
|
VIFF
|
Khoros Visualization Image File Format
|
SDSC Image Tool
|
VIK
|
Graphics format (VIKING)
|
|
VIM
|
Vim script file
|
Vim text editor
|
VINF
|
data
|
ReMPEG log file - frames info
|
VIR
|
Virus or infected file
|
|
VIS
|
VIS graphics file
|
|
VLM
|
Vellum, Vellum 2D, Vellum Draft, Vellum 3D, DrawingBoard
|
Ashlar-Vellum
|
VLM
|
Virtual Loadable Module
|
Netware
|
VM
|
Virtual Memory file
|
Geoworks
|
VMC
|
Virtual memory configuration
|
DOS/4GW PM 32X DOS Extender
|
|
|
仮想ディスクファイル
|
VMware
|
VMF
|
Font characteristics
|
Ventura Publisher
|
VMG
|
Nokia message file format
|
Text Message Editor (Nokia PC Suite)
|
VMS
|
Text file containing VMS specific info
|
|
文書
|
VO
|
Include file with object definition
|
Vivid 2.0
|
|
|
Video Object
|
DVD-R, DVD-RW
|
VOC
|
Sound format (Creative Lab's Sound File)
|
PlayVoc
|
VOF
|
Object folder
|
VZ Programmer
|
VOP
|
Visual Orangator Project
|
VOP
|
Visual OTTHYMO Project
|
VOX
|
Dialogic adpcm file
|
AWAVE, CoolEdit
|
VP
|
3DS Video posting
|
3D Studio
|
VPF
|
Vector Product Format
|
|
VPG
|
Graphics file
|
VPGraphics
|
VPH
|
Virtual Pascal Help
|
VP/OS2
|
VPI
|
Virtual Pascal Unit
|
VP/OS2
|
|
|
Vector Quantized Animation
|
The Legend of Kyrandia
|
VRM
|
Overlay file
|
QuattroPro
|
VRM
|
Visual rexx source
|
WATCOM VREXX
|
VRML
|
Virtual Reality Modeling Language
|
NetScape
|
VRP
|
Project
|
WATCOM VX?Rexx
|
VRS
|
Video Resource e.g. video device driver
|
WordPerfect
|
VS
|
Vellum Solids
|
Ashlar-Vellum
|
VS
|
Include file with surface definition
|
Vivid 2.0
|
VSD
|
Diagram
|
Shapeware Visio
|
VSD
|
Visio drawing
|
Visio
|
VSM
|
Visual Simulation Model
|
VisSim
|
VSP
|
Sprite
|
SPX
|
VSS
|
SmartShapes file
|
Shapeware Visio
|
VSS
|
Visio Template
|
Visio
|
VST
|
Truevision Vista graphics file
|
|
VST
|
Visio Template
|
Visio
|
VUE
|
Animation
|
3D Studio
|
VUE
|
View
|
dBASE IV - FoxPro
|
VW
|
Text file
|
Volkswriter
|
VWR
|
File viewer file
|
PC Tools
|
VWX
|
CAD File
|
VectorWorks 2008
|
VXD
|
Windows 3.x 仮想デバイスドライバ
|
Windows 3.x
|
VZT
|
Temporal database file
|
GTKWave data file
|
W
|
Word chart file
|
APPLAUSE
|
W01
|
Yamaha SY-series wave files
|
AWAVE
|
W01
|
Yamaha TX16W wave file
|
AWAVE
|
W30
|
Printer font
|
AST TurboLaser - Ventura Publisher
|
W31
|
Startup file
|
Windows 3.1
|
W3A
|
Warcraft III Abilities Export File
|
Contained in a Warcraft III map
|
W3B
|
Warcraft III Destructables Export File
|
Contained in a Warcraft III map
|
W3D
|
Warcraft III Doodads Export File
|
Contained in a Warcraft III map
|
W3G
|
Warcraft III Replay File
|
File for Warcraft III
|
W3H
|
Warcraft III Buffs Export File
|
Contained in a Warcraft III map
|
W3M
|
Warcraft III Map
|
File for Warcraft III: Reign of Chaos
|
W3N
|
Warcraft III Campaign
|
File for Warcraft III: The Frozen Throne
|
W3O
|
Warcraft III Object Data Export File
|
Contained in a Warcraft III map
|
W3P
|
Warcraft III Save
|
Save File for Warcraft III
|
W3Q
|
Warcraft III Upgrades Export File
|
Contained in a Warcraft III map
|
W3T
|
Warcraft III Item Export File
|
Contained in a Warcraft III map
|
W3U
|
Warcraft III Unit Export File
|
Contained in a Warcraft III map
|
W3V
|
Warcraft III Save
|
Save File for Warcraft III
|
W3X
|
Warcraft III Expansion Map
|
File for Warcraft III: The Frozen Throne
|
W3Z
|
Warcraft III Save
|
Save File for Warcraft III
|
W40
|
Something for Windows95 (例: config.w40)
|
Windows 95
|
W44
|
Temporary file for Sort or Index
|
dBASE
|
W95
|
Something for Windows95
|
Windows 95
|
WAD
|
War Allocation Daemon
|
Doom - Doom2
|
WAG
|
Yard Contents File
|
FYM
|
WAI
|
Warcraft III AI Data File
|
Warcraft III AI Data File
|
|
|
Java Web Archive
|
A Java file format used to package and deploy web applications.
|
アーカイブ
|
WAS
|
ProComm Script File (source code)
|
ProComm
|
|
|
Sound format (Microsoft Windows RIFF WAVE)
|
Media Player
|
音声
|
WAX
|
ProComm compiled script
|
ProComm
|
WB1
|
Notebook
|
Quattro Pro
|
WB2
|
表計算
|
Quattro Pro
|
表計算
|
WBF
|
Microsoft Windows Batch File
|
Catch
|
WBK
|
Document/workbook or Microsoft Word backup file
|
WordPerfect for Win or Microsoft Word
|
WBT
|
Norton Desktop
|
Norton Desktop
|
WBT
|
Wilsonware Batch file
|
Windowsbatch
|
WCD
|
Condes Event Data file
|
Condes
|
WCD
|
Macro token list
|
WordPerfect for Win
|
WCH
|
WordPerfect Macro Facility
|
WP
|
WCM
|
Data transmission file
|
Microsoft Works
|
WCM
|
Macro
|
WordPerfect for Win
|
WCP
|
Product information description
|
WordPerfect for Win
|
WD
|
InfoSelect Data file
|
|
WDB
|
Database
|
Microsoft Works
|
WDM
|
Admin tool connection definition
|
War FTP
|
WE?
|
Packed mail
|
FTN software
|
WEB
|
WEB source code file
|
Web Easy Professional
|
WebOOGL
|
Web Object Oriented Graphics Library
|
|
WFB
|
Turtle Beach WaveFront Bank
|
AWAVE
|
WFD
|
Turtle Beach WaveFront Drum
|
AWAVE
|
WFM
|
Form object
|
dBASE Form Designer
|
WFN
|
Font
|
CorelDRAW
|
WFP
|
Turtle Beach WaveFront Prog.
|
AWAVE
|
WFT
|
Web Family Tree
|
GRAMPS
|
WFX
|
Data file
|
Windowsfax
|
WG1
|
Worksheet
|
Lotus 1-2-3/G
|
表計算
|
WG2
|
Worksheet
|
Lotus 1-2-3 for OS/2
|
表計算
|
WID
|
Width table
|
Ventura Publisher
|
|
|
Windows Imaging Format
|
ImageX
|
WIN
|
Windowsdow file
|
FoxPro - dBASE
|
WIREFRAME
|
Data
|
EMSE mesh
|
WIX
|
Windows Installer XML
|
WiX
|
WIZ
|
Page wizard
|
Microsoft Publisher
|
WK1
|
表計算
|
Lotus 1-2-3 version 2.x - Lotus Symphony 1.1+
|
表計算
|
WK3
|
表計算
|
Lotus 1-2-3 version 3.x
|
表計算
|
WK4
|
表計算
|
Lotus 1-2-3 version 3.4
|
表計算
|
WKB
|
Document
|
WordPerfect for Win
|
文書
|
WKE
|
表計算
|
Lotus 1-2-3 educational version
|
表計算
|
WKI
|
Spreadsheet format
|
Lotus 123 2x
|
表計算
|
WKQ
|
Spreadsheet
|
Quattro
|
表計算
|
WKS
|
Spreadsheet
|
Lotus 1-2-3 version 1A - Lotus Symphony 1.0, Microsoft Works
|
表計算
|
WKS
|
Workspace
|
Xlisp
|
WKZ
|
Spreadsheet format
|
Dos Navigator
|
表計算
|
WLK
|
Graphics
|
Virtus Walkthrough
|
WLK
|
Walk Through for any game
|
many
|
WMA
|
Windows Media Audio audio file
|
Windows Media Audio
|
音声/動画
|
WMC
|
Backup of startup files by Windows MathCad autoexec.wmc
|
MathCad
|
WMC
|
Macro file
|
WordPerfect for Win
|
WMC
|
Text file
|
WordMARC
|
WMDB
|
Windows Media Player database
|
Windows Media Player
|
|
|
Windows メタ ベクター画像
|
|
WIMP
|
Graphics (Windows Magic Icon Palette)
|
|
WMV
|
Windows Media Video video file
|
多数
|
動画
|
WN
|
Text
|
NeXT WriteNow
|
WNF
|
Corel Draw Font File
|
CorelDraw
|
WOA
|
Swap file
|
Windows 3.x
|
WOC
|
Organization
|
Windows OrgChart
|
WOW
|
Music (8 channels)
|
Grave Mod Player
|
WP
|
WordPerfect Format
|
WordPerfect
|
文書
|
WP5
|
Document
|
WordPerfect 5.x
|
文書
|
WPD
|
Document
|
WordPerfect 6.0 - PFS:WindowWorks
|
文書
|
WPD
|
Windows printer driver (uninstallable)
|
Windows
|
WPF
|
Fax
|
WorldPort
|
WPF
|
Form
|
WordPerfect
|
WPG
|
WordPerfect Graphics vector graphics
|
DrawPerfect
|
WPJ
|
Watcom C/C++ IDE project
|
IDE.EXE
|
WPK
|
Macros
|
WordPerfect for Win
|
WPL
|
MediaRack Wave Playlist
|
MediaRack
|
WPL
|
Windows Media Playlist, for Windows Media Player
|
WPM
|
Macros
|
WordPerfect
|
WPS
|
Text document
|
Microsoft Works
|
文書
|
WQ!
|
表計算
|
Quattro Pro
|
表計算
|
WQ1
|
表計算
|
Quattro Pro
|
表計算
|
WR1
|
表計算
|
Lotus Symphony 1.1 - 1.2 - 2
|
表計算
|
WRD
|
Template
|
Charisma
|
WRI
|
Write editor format
|
Write - WinWord
|
文書
|
WRK
|
Spreadsheet
|
Lotus Symphony 1.0
|
表計算
|
WRL
|
VRML file
|
|
WRP
|
アーカイブ
|
Amiga WARP
|
アーカイブ
|
WRS
|
Windows Resource e.g. might indicate error if word cannot open
|
WordPerfect for Win
|
WS
|
APL Worksheet
|
|
WS
|
Text file
|
WordStar 5.0-6.0
|
文書
|
WS2
|
Text file
|
WordStar 2000
|
文書
|
WSD
|
Document
|
WordStar
|
文書
|
WSP
|
Workspace
|
Fortran PowerStation
|
WSQ
|
Wavelet-packet Scalar Quantization Format
|
|
WSRC
|
X-wais source
|
|
WST
|
Text file
|
WordStar
|
文書
|
WTR
|
Working Timetable rules file
|
Simsig
|
WTT
|
Working Timetable timings file
|
Simsig
|
WTF
|
World of Warcraft Data File
|
World of Warcraft
|
WTF
|
WindowsTaper Data
|
WWB
|
Button bar for document window
|
WordPerfect for Win
|
WWK
|
Keyboard layout
|
WordPerfect for Win
|
WXH
|
Program/Script File
|
WaxHtml Web Programming Language
|
WXP
|
Document
|
EXP for Windows
|
文書
|
X
|
アーカイブ
|
X1.EXE
|
アーカイブ
|
X ;
|
AVS X image file
|
SDSC Image Tool
|
画像
|
X
|
DirectX 3D object
|
X
|
LEX source code file
|
|
X
|
XBasic Source code file
|
Xbasic
|
X3D
|
x3d and xdart Formats
|
|
XA
|
XA audio file
|
used in SimCity 3000 by Maxis, also by Sony Playstation
|
音声
|
XAR
|
Xara file
|
Project document
|
XBE
|
Xbox Executable
|
Xbox
|
XBM
|
X11 Bitmap graphics file
|
|
画像
|
|
|
Gimp の画像ファイル
|
The Gimp
|
XCK
|
Extended crack file (usually text)
|
|
XCL
|
Xtree for Windows Script file
|
Xtree for Win
|
XDF
|
OS/2 extended disk format image
|
XDFCOPY.EXE
|
アーカイブ
|
XDM
|
Directory Manipulator for 32-bit Protected Mode
|
Xenotech Research Labs
|
XE
|
Xenon - for Associative 3D Modeling
|
Ashlar-Vellum
|
XEX
|
Xbox 360 Executable File
|
XFN
|
Printer font
|
Xerox 4045 - Ventura Publisher
|
XFR
|
Ventura Publisher Bitmap Editor Font file
|
|
XFT
|
24 pin printer font
|
ChiWriter
|
XI
|
Fast Tracker 2 instrument file
|
AWAVE
|
XI
|
Fastracker 2.0 Instrument File
|
Fastracker 2.0
|
XIF
|
Xerox Image Format
|
Pagis Pro 2.0 and 3.0
|
XLA
|
Add-in macro sheet
|
Microsoft Excel
|
XLA
|
XLib アーカイブ
|
xlibpas2.zip
|
アーカイブ
|
XLB
|
Microsoft Excel ツールバー
|
Microsoft Excel
|
XLC
|
Microsoft Excel Chart
|
Microsoft Excel
|
XLD
|
Microsoft Excel ダイアログ
|
Microsoft Excel
|
XLK
|
Microsoft Excel Archive
|
Microsoft Excel
|
XLL
|
Microsoft Excel 動的リンクライブラリ
|
Microsoft Excel
|
XLM
|
Microsoft Excel マクロファイル
|
Microsoft Excel
|
XLS
|
Microsoft Excelの表計算ファイル
|
Microsoft Excel
|
表計算
|
XLSB
|
Microsoft Excel 2007 Binary Workbook (BIFF12)(Spreadsheets)
|
Microsoft Excel 2007 (see Microsoft Office 2007 file extensions)
|
XLSM
|
Macro-Enabled Workbook (Spreadsheets)
|
Microsoft Excel 2007 (see Microsoft Office 2007 file extensions)
|
表計算
|
XLSX
|
Office Open XML Workbook (Spreadsheets)
|
Microsoft Excel 2007 (see Microsoft Office 2007 file extensions)
|
表計算
|
XLT
|
Microsoft Excel テンプレート
|
Microsoft Excel
|
XLT
|
Translation table
|
Lotus 1-2-3 - Symphony - Procomm Plus
|
XLV
|
Microsoft Excel Module
|
Microsoft Excel
|
XLW
|
Microsoft Excel Workbook
|
Microsoft Excel
|
XM
|
Fast Tracker 2 extended module
|
AWAVE, Mod4Win, FastTracker, ImpulseTracker
|
XM
|
Music format
|
FastTracker - Cubic Player
|
音声
|
XMOD
|
Monarch Model
|
Monarch Professional
|
XMI
|
Compressed eXtended MIdi music
|
|
音声
|
|
|
eXtensible Markup Language file
|
XMF
|
eXtensible Music Format
|
音声
|
XMPZ
|
XML Miradi Project Zipfile
|
Miradi
|
XMV
|
video
|
Xbox
|
動画
|
XNF
|
Standard Network File form
|
|
Xnn
|
Secondary indexes
|
Borland Paradox
|
XOF
|
RenderMorphics
|
|
XP
|
eXtended Pattern
|
FastTracker 2.0
|
|
XPM
|
X11 Pixel Map graphics file
|
|
XPS
|
Open XML Paper Specification / OpenXPS
|
Microsoft, Adobe PDF files
|
XQT
|
Executable file
|
Waffle
|
XQT
|
Macro sheet
|
SuperCalc
|
XRF
|
Cross-reference file
|
|
XSF
|
data
|
Microsoft InfoPath file
|
|
|
XML Sharable Playlist Format
|
|
XTB
|
External translation table
|
LocoScript
|
XTP
|
XTreeGold overlay
|
XTreeGold
|
XVF
|
Xyngo Video File
|
Xyngo Video Board
|
XWD
|
X Window System window dump image graphics file
|
SDSC Image Tool
|
XWK
|
Keyboard mapping
|
Crosstalk
|
XWP
|
Session
|
Crosstalk
|
XWP
|
Text file
|
Xerox Writer
|
文書
|
XX
|
Encoded file (ASCII)
|
XXENCODE
|
XXE
|
Encoded file (ASCII)
|
XXENCODE
|
XY
|
Text file
|
XY Write
|
XY3
|
Text file
|
XYWrite III
|
XYW
|
Text file
|
XyWrite III
|
XYZ
|
Molecular coordinates
|
XMol, RasMol
|
XZ
|
圧縮ファイル
|
XZ Utils
|
Y
|
Archive (Amiga)
|
Yabba
|
アーカイブ
|
Y
|
YACC 文法定義ファイル
|
Yacc/Bison
|
YAL
|
Data custom/nature.yal
|
Arts & Letters
|
YC
|
Archive
|
YACC (YAC.EXE)
|
アーカイブ
|
Ynn
|
Secondary index
|
Borland Paradox
|
YMP
|
Yast Meta Package
|
YAST2 (SUSE Linux Package Manager)
|
YST
|
Data
|
YASRT Raytracer scene
|
YRD
|
Yard Tracks File
|
FYM
|
YUV
|
Graphics format (YUV)
|
|
YY
|
Bison grammar file
|
Bison
|
YZ
|
アーカイブ
|
YAC
|
アーカイブ
|
Z
|
アーカイブ
|
WindowsZipNT - COMPRESS - PACK
|
アーカイブ
|
Z01-Z99
|
Split WinRAR Archive
|
アーカイブ
|
Z2S
|
Zoo Tycoon 2 save
|
|
Z3
|
Infocom game module
|
|
Z3D
|
Zmodeler-file
|
Zmodeler 1 & 2
|
Z64
|
Nintendo 64 ROM
|
Project64 Nintendo 64 emulator
|
Z80
|
Snapshot
|
ZX Spectrum emulator by g.a.lunter
|
ZAD
|
ZFax digitized voice file
|
ZFax
|
ZDG
|
Compressed ZiffNet text document
|
Zview
|
ZED
|
BitTorrent Link
|
Podmailing
|
ZER
|
|
Data file
|
ZIP
|
ZIPアーカイブ
|
PKZip, WinZip, macOS、他多数
|
アーカイブ
|
(無し)
|
ID3タグ、MP3 オーディオ用コンテナ
|
Studio3、他オーディオプレーヤ等
|
