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Data Formats and Their File Extensions
.#24
Printer data file for 24 pin matrix printer (LocoScript)
.#ib
Printer data file (LocoScript)
.#sc
Printer data file (LocoScript)
.#st
Standard mode printer definitions (LocoScript)
.$#! Cryptext
.$$$
Temporary file
.$00 Pipe
file (DOS)
.$db
Temporary file (dBASE IV)
.$ed Editor
temporary file (MS C)
.$o1 Pipe
file (DOS)
.$vm
Virtual manager temporary file (Windows 3.x)
._dd Norton
Disk Doctor Recovered file
.~$~
Temporary file (1st Reader)
.~ap Old
AppExpert project database (Borland C++ 4.5)
.~de
Project backup (Borland C++ 4.5)
.~mn Menu
backup (Norton Commander)
.\201$\201
Temporary file (1st Reader)
.000
Compressed harddisk data (DoubleSpace)
.001 Fax (many)
.075 75x75
dpi display font (Ventura Publisher)
.085 85x85
dpi display font (Ventura Publisher)
.091 91x91
dpi display font (Ventura Publisher)
.096 96x96
dpi display font (Ventura Publisher)
.0b
Printer font with lineDraw extended character set (PageMaker)
.1
Roff/nroff/troff/groff source for manual page (cawf2.zip)
.113 Iomega
Backup file
.123 Lotus
file
.15u
Printer font with PI font set (PageMaker)
.1st
Usually README.1ST text
.2d 2d
Drawings (VersaCad)
.2dl 2d
Libraries (VersaCad)
.3d 3d
Drawings (VersaCad)
.3dl 3d
Libraries (VersaCad)
.301 Fax
(Super FAX 2000 - Fax-Mail 96))
.386 Intel
80386 processor driver (Windows 3.x)
.3ds
Graphics (3D Studio)
.3fx Effect
(CorelChart)
.3gr Data
file (Windows Video Grabber)
.3t4 Binary
file converter to ASCII (Util3)
.411 Sony
Mavica Data file
.4c$
Datafile (4Cast/2)
.4sw 4dos
Swap File
.4th Forth
source code file (ForthCMP - LMI Forth)
.669 Music
(8 channels) (The 669 Composer)
.6cm Music (6
Channel Module) (Triton FastTracker)
.8 A86
assembler source code file
.8cm Music
(8 Channel Module) (Triton FastTracker)
.8m
Printer font with Math 8 extended character set (PageMaker)
.8u
Printer font with Roman 8 extended character set (PageMaker)
.a Ada
source code file
Library
(unix)
.a11
Graphics AIIM image file
.a3d Amapi
3D Modeling file
.a3m Unpackaged
Authorware MacIntosh file
.a3w Unpackaged
Authorware Windows file
.a4m Unpackaged
Authorware MacIntosh file
.a4p Authorware
file packaged without runtime
.a4w Unpackaged
Authorware Windows file
.a5w Unpackaged
Authorware Windows file
.aab Macromedia
Authorware Binary
.aam Authorware
shocked file
.ab2 Parson's
Address Book
.ab6
Datafile (ABStat)
.ab8
Datafile (ABStat)
.aba Palm
Address Book file
.abc ABC
FLOWCHARTER 1.x flowchart
ABC2K
Audio/Video Controller Software
.abd AmBiz
Bonus Calculator data file
Adventure Builder database
.abf Adobe
Binary Font
.abk
Automatic backup file (CorelDRAW)
.abm ImagePals
Photo Album Document
Montage
Photo Album file
PhotoPlus
Album file
.abs
Abstracts (info file)
Data
file (Abscissa)
MPEG
audio sound file
.abw AbiWord
document
.abx WordPerfect
Address Book file
.ac3 AC3
Audio File Format
.aca Microsoft
Agent Character file
Project
(Project Manager Workbench)
.acb
Graphics (ACMB)
.acc
Program (DR-DOS - ViewMax) (GEM / resident)
.acd Sonic
Foundry Acid music file
.ace Ace
Archiver compressed file
.acf Microsoft
Agent Character file
.aci ACI
Development Appraisal
.acl Document
file (Audit Command Language)
.acm Audio
Compression Manager Driver
Photoshop command button
Windows system file
ACBM
image file
Interplay compressed Sound file
.acs MS
Agent Character file
.act Actor
source code file
Foxdoc
Action Diagrams (FoxPro)
Presentation
(Action!)
.acv OS/2
Audio Drivers
Photoshop
Saved Curve
.ad Screen
saver data (AfterDark)
.ada Ada
source code file
.adb Ada
Package Body
.adc Bitmap
graphics (16 colors) (Scanstudio)
.adf Adapter
Description file
Admin
Config file
Amiga
Disk File
Dog
Creek QC Mask file
.adi
Graphics (AutoCAD)
.adl Mca
adapter description library (QEMM)
.adm After
Dark Screen Saver Module
Windows Policy Template
Addict
Compiled Dictionary
Advantage Data Server Database Memo file
.adn Add-in
(Lotus 1-2-3)
.ado Photoshop
Duotone Options
Stata
Program
.adp FaxWorks
Modem setup file
Astound Dynamite file
MS
Access Project
AOLserver Dynamic Page file
.adr Address
Book
Address
Plus Database
After
Dark Random Screen Saver Module
Opera
Web Browser Bookmark file
Smart
Address Address Book
.ads Ada
Package Specification
.adt
Datafile for cardfile application (HP NewWave)
Fax
(AdTech)
.adx
Document (Archetype Designer)
.adz GZ-Packed
Amiga Disk file
.aeh iPer
Advanced Embedded Hypertext
.aex PGP
Armored Extracted Public Encryption Key
.af2
Flowchart (ABC FlowCharter 2.0)
.aff AnyForm
Form file
.afi
Truevision bitmap graphics
.afl Font
file (for Allways) (Lotus 1-2-3)
.afm Type 1
font metric ASCII data for font installer (ATM - many)
Datafile
for cardfile application (HP NewWave)
.aft AnyForm
template file
.agp Aspen
Graphics Pages
.agw Aspen
Graphics Windows
.ai Vector
graphics (Adobe Illustrator)
.ain
Compressed file archive created by AIN
.aio APL
file transfer format file
.ais Array
of Intensity Samples graphics (Xerox)
.aix
Datafile for cardfile application (HP NewWave)
.alb JASC
Image Commander Album
Photo
Soap2 file
Steinberg
Cubase or VST Backup Song file
.albm webAlbum
Photo Album
HP
Photosmart Photo Printing Album
.all Format
file for working pages (Always)
General
printer information (WordPerfect for Win)
Symbol
and font files (Arts & Letters)
.alt Menu
file (WordPerfect Library)
.als Alias
Image
Calmira Shortcut file
.alz ALZip
Compressed file
.amf Music
(Advanced Module Format)
.amg
Compressed file archive created by AMGC
System
image file (Actor)
.amp Photoshop
Arbitrary Map Settings
.anc Animation
file format (MorphInk)
.ani
Animation (Presidio - many)
.anm
Animation (Deluxe Paint Animator)
.ann Help
Annotations (Windows 3.x)
.ans Ansi
graphics (character animation)
Ascii
text ANSI character set (NewWave Write)
.aos Add-On
Software (Nokia 9000)
.ap
Compressed Amiga file archive created by WHAP
Datafile
(Datalex EntryPoint 90)
.apc
Printer driver (Lotus 1-2-3)
.apd
Printer driver (Lotus 1-2-3)
.ape Music
format (different players)
.apf
Printer driver (Lotus 1-2-3)
.api Passed
parameter file (1st Reader)
Printer
driver (Lotus 1-2-3)
.apl APL
work space format file
.apm ArcPad
6 file
.app Add-in
application file (Symphony)
Application
object file (dBASE Application Generator)
Executable
application file (DR-DOS - NeXTstep - Atari)
Generated
application (FoxPro)
.apr
Employee performance review (Employee Appraiser)
.aps MS
Visual C++ file
ArcPad
5 Symbology file
.apx
Appexpert database file (Borland C++ 4.5)
.arc
Compressed file archive created by ARC (arc602.exe/pk361.exe)
Compressed
file archive created by SQUASH (squash.arc)
.arf
Automatic Response file
.arg AutoCAD
Profile Export fileile
.ari
Compressed file archive created by ARI
.arj
Compressed file archive created by ARJ (arj241.exe)
.ark Arc
file archive created by CP/M port of ARC file archiver
Compressed
file archive created by QUARK
.arl AOL
Organizer File
.arr
Arrangement (Atari Cubase)
.art Graphics
(scrapbook) (Art Import)
Raster
graphics (First Publisher)
.arv Arsiv
File
AutoRoute
User Information
.arx
Compressed file archive created by ARX
.asa MS
Visual InterDev file
Active
Server Document
.asc Ascii
text file
Transport
armor file (PGP)
.ascx Microsoft
ASP.NET user control file
.asd
Autosave file (Word for Windows)
Presentation
(Astound)
Screen
driver (Lotus 1-2-3)
.asf
Datafile (STATGRAPHICS)
Screen
font (Lotus 1-2-3)
.ash
Assembly language header file (TASM 3.0)
.asi
Assembler include file (Turbo C - Borland C++)
.asm
Assembly source code file
Pro/Engineer
Assembly file
.asmx Microsoft
.NET Web Service file
.aso
Assembler object (object orientated) file (Turbo Assembler)
.asp Microsoft
Active Server Page
Aspect
source code file (Procomm Plus)
Association
of Shareware Professionals OMBUDSMN.ASP notice
.aspx Microsoft
ASP.NET file
.asr Ms
Automap Route
Photoshop Scratch Area
.asx Microsoft
Windows Media Active Stream Redirector file
.at2 Auto
template (Aldus Persuasion 2.0)
.atm Adobe
Type Manager data/info
.atn Adobe
Photoshop Action file
.atr Lightscape
Material Library
.att AT&T
Group 4 Bitmap
.au Sound
(audio) file (SUN Microsystems)
.aud Audio
file
.aut AutoIt
Script
PocketWear Car Lease Kit vehicle data file
TLG
Workplace CD search file
Xitami
Webserver Admin Password file
GPSMan-autoMapic file
Signwave Auto-Illustrator file
Descent Manager Mission file
Authentication file (various)
Interactive Pictures iPIX Format
.aux
Auxillary references (TeX/LaTeX)
Auxiliary
dictionary (ChiWriter)
.ava
Publication (Avagio)
.avb Inoculan
Anti-Virus virus infected file
Microsoft Chat character file
.avd Avery
Label Pro Data file
.avi Audio
Video Interleaved animation file (Video for Windows)
.avs Animation
file
Application Visualization System Format
Stardent AVS-X image
Winamp
Advanced Visualization Studio file
.avx ArcView
file
.aw Text
file (HP AdvanceWrite)
.awb Lavasoft
Ad-aware backup file
.awd AWD MS
Fax
Award
BIOS file
AWK
Language Source Code file
.awe Adobe
Acrobat Bookmark XML file
.awk Awk
script/program
.awm Movie
(Animation Works)
.awr Telsis
Digital Audio file
.aws Data
(STATGRAPHICS)
.ax DirectShow
Filter
.axd Avery
Label Pro Re-Index file
.axg MS
Autoroute Trip file
.axe Paradigm
C++ Integrated Debugger file
ChordMaster
MS
Autoroute export file
.axl ArcIMS
XML Project file
.axt ZenWorks
snAPPshot ASCII Application Object template
Photoshop Replace Color/Color Range
.b Batch
list (APPLAUSE)
.b&w
Black and white graphics (atari - mac)
Mono binary screen image (1st Reader)
.b1n Both
mono and color binary screen image (1st Reader)
.b1s Booksmith
.b30
Printer font (JLaser - Cordata) (Ventura Publisher)
.b3d 3D
Builder file
.b8 Raw graphics
(one byte per pixel) plane two (PicLab)
.b_w Black
and white graphics (atari - mac)
.bad Bad
file (Oracle)
.bag PMMail
Mail Index file
OS/2
Netfinity Manager Sysinfo file
AOL
Instant Messenger file
.bak Backup
file
.bal Music
score (Ballade)
.bar
Horizontal bar menu object file (dBASE Application Generator)
.bas Basic
source code file
.bat Batch
file (DOS)
.bb
Database backup (Papyrus)
.bbl
Bibliographic reference (TeX/BibTeX)
.bbm Brush
(Deluxe Paint)
.bbs
Bulletin Board System announce or text info file
.bcf ConfigSafe
Snapshot index
The
Sims (Maxis) File
.bch Batch
process object file (dBASE Application Generator)
Datafile
(Datalex EntryPoint 90)
.bck Backup
.bcm MS
Works Communications file
.bco
Outline font description (Bitstream)
.bcp
Borland C++ makefile
.bcw
Environment settings (Borland C++ 4.5)
.bde Borland
Database Engine
.bdf Bitmap
Distribution Format font file (X11)
Datafile
(Egret)
.bdr Border
(MS Publisher)
.bez
Outline font description (Bitstream)
.bf2
Bradford 2 font
.bfm Font
metrics (unix/Frame)
.bfx Fax
(BitFax)
.bga Bitmap
graphics
.bgi
Borland Graphics Interface device driver
.bgl Flight
Simulator scenery file
.bib
Bibliography (ASCII)
Database
- not compatible with TeX format (Papyrus)
Literature
database (TeX/BibTeX)
.bic Civilization
III Scenario
.bid BidMaker
2002 file
.bif Binary
Image Format b&w graphics (Image Capture board)
.bik BioCharter
Profile backup file
Bink
Game video file
.bin Binary
file
.bio OS/2
BIOS
.bit Bitmap
Image
Worms
Armageddon Imported Map
Worms
World Party Imported Map
.bk
Faxbook (JetFax)
.bk!
Document backup (WordPerfect for Win)
.bk1 Timed
backup file for document window 1 (WordPerfect for Win)
.bk2 Timed
backup file for document window 2 (WordPerfect for Win)
.bk3 Timed
backup file for document window 3 (WordPerfect for Win)
.bk4 Timed
backup file for document window 4 (WordPerfect for Win)
.bk5 Timed
backup file for document window 5 (WordPerfect for Win)
.bk6 Timed
backup file for document window 6 (WordPerfect for Win)
.bk7 Timed
backup file for document window 7 (WordPerfect for Win)
.bk8 Timed
backup file for document window 8 (WordPerfect for Win)
.bk9 Timed
backup file for document window 9 (WordPerfect for Win)
.bkf Microsoft
Backup file
.bkg Background
file
UWXAFS
Binary Format Data file
.bkp Backup
file (Write - TurboVidion DialogDesigner)
.bkw Mirror
image of font set (FontEdit)
.blb DreamWorks
Resource Archive
.bld
Bloadable picture (BASIC)
.blk
Temporary file (WordPerfect for Win)
Lightscape Block Library
Alias
Wavefront Image
VersaPro
Block
.blt Saved
AIM Buddy List file
Wordperfect
for DOS file
.bm Bitmap
graphics
.bmf Corel
Image file
.bmk Help
Bookmarks (Windows 3.x)
.bmp Bitmap
graphics (PC Paintbrush - many)
.bmx Buzz
music file
.bnd Typequick
file
.bnk Adlib
instrument bank file
.bob BobDown
Downloading Program
Bob
Raytracer
.bom MicroSim
PCBoard Bill of Materials
Orcad
Schematic Capture Bill of Materials file
Softshare
Delta Business Object Model
.boo
Compressed file ASCII archive created by BOO (msbooasm.arc)
.box Myriad
Jukebox file
Notes
Mailbox
.bpc Chart
(Business Plan Toolkit)
.bpl Delphi
Library
.bpt Bitmap
fills file (CorelDRAW)
.bqy BrioQuery
file
.br Script
(Bridge)
.brd Eagle
Layout file
.brf Braille
ASCII file
.brk Fax
(Brooktrout Fax-Mail)
.bro Tree
Professional Broadleaf Creator file
.brp Tree
Professional Broadleaf Creator image
.brt Micrografx
Picture Publisher file
.brx Multimedia
browsing index
.bsa
Compressed file archive created by BSARC
.bsb MapInfo
Sea Chart
SWAT
Sub-basin Output file
.bsc
Compressed Apple II file archive created by BINSCII
Database
(Source Browser)
Pwbrmake
object file (MS Fortran)
.bsl BSPlayer
Configuration file
.bsp Half-life/TFC/CS
Map
Quake
Map
.bst BibTeX
Style file
.btm Batch
To Memory batch file (4DOS)
.bto Baytex
Organix! 2001 Language Kit
.btr Btrieve
Database file
MS
Frontpage-related file
.bud Quicken
Backup
.bug Bugs
and Problems
.bup Backup
file
.but Button
definitions (Buttons!)
.buy
Datafile format (movie)
.bv1
Overflow file below insert point in Doc 1 (WordPerfect for Win)
.bv2
Overflow file below insert point in Doc 2 (WordPerfect for Win)
.bv3
Overflow file below insert point in Doc 3 (WordPerfect for Win)
.bv4
Overflow file below insert point in Doc 4 (WordPerfect for Win)
.bv5
Overflow file below insert point in Doc 5 (WordPerfect for Win)
.bv6
Overflow file below insert point in Doc 6 (WordPerfect for Win)
.bv7 Overflow
file below insert point in Doc 7 (WordPerfect for Win)
.bv8
Overflow file below insert point in Doc 8 (WordPerfect for Win)
.bv9
Overflow file below insert point in Doc 9 (WordPerfect for Win)
.bwb
Spreadsheet application (Visual Baler)
.bwi Blindread/Blindwrite
.bwr Beware
(buglist) (Kermit)
.bwt Blindread/Blindwrite
.bxx blaxxun
Contact
.bz2 Bzip 2
UNIX Compressed file
.c C
source code file
Compressed
unix file archive created by COMPACT
.c++ C++
source code file
.c-- Source
code (Sphinx C--)
.c00 Print
file (Ventura Publisher)
.c60 Midtronics
Battery Management Software
.c86 C
source code file (Computer Innovation C86)
.ca
Initial cache data for root domain servers (Telnet)
.cab
Cabinet File (Microsoft installation archive)
.cad
Softdesk Drafix CAD File
.cac dBASE
IV executable when caching on/off (see cachedb.bat)
.cad
Document (Drafix Windows CAD)
.cag MS Clip
Gallery Catalog file
.cal
Calendar file (Windows 3.x)
Calendar
Maker Pro
Spreatsheet
(SuperCalc)
.cam Casio
Camera Graphic
.can Fax
(Navigator Fax)
.cap
Caption (Ventura Publisher)
Session
capture file (Telix)
.car AtHome
Assistant file
Carrara Environment
NeoBook Cartoon
.cas
Comma-delimited ASCII File
.cat
Catalog (dBASE IV)
.cbc Fuzzy
logic system (CubiCalc)
.cbf Calendar
Builder file
.cbl Cobol
source code file
.cbm
Compiled bitmap graphics (XLib)
.cbp CentralBuilder
Project
.cbt
Computer Based Training (many)
.cc C++
source code file
.cca CC:Mail
archive file
.ccb Visual
Basic Animated Button Configuration
.ccc Bitmap
graphics (native format) (Curtain Call)
.ccd CloneCd
Related file
Vector
CAD Program file
.cce Calendar
Creator 2 Event file
.ccf
Communications configuration file (Symphony)
.cch Chart
(CorelChart)
.ccl
Communication Command Language file (Intalk)
.cco Btx
Graphics file (XBTX)
.cct Macromedia
Director Shockwave file
.ccx Corel
PrintHouse file
.cda CD
Audio Track
.cdb Card
database (CardScan)
Main
database (TCU Turbo C Utilities)
.cde Honeywell
Hybrid Control Designer
.cdf
Graphics (netcdf)
.cdi Phillips
Compact Disk Interactive format
.cdk
Document (Atari Calamus)
.cdl CaseWare
Working Papers Document Link
SignLab
Vector Graphic
.cdm Visual
dBASE Custom Data Module
.cdp CD/Spectrum
Pro
.cdr Vector
graphics (CorelDRAW native format)
.cdt Data
(CorelDraw 4.0)
.cdx
Compound index (FoxPro)
.ce
Main.ce (The FarSide Computer Calendar)
.ceg Bitmap
graphics (Tempra Show - Edsun Continuous Edge Graphics)
.cel
Graphics (Autodesk Animator - Lumena)
.cf
Configuration file (imake)
.cfb Comptons
multimedia file
.cfg
Configuration
.cfl Chart
(CorelFLOW)
.cfm ColdFusion
Markup Language (Allaire)
.cfn Font
data (Atari Calamus)
.cfo C Form
Object internal format object file (TCU Turbo C Utilities)
.cfp Fax
(The Complete Fax Portable)
.cga CGA
display font (Ventura Publisher)
.cgi Common
Gateway Interface script
.cgm Computer Graphics Metafile vector graphics
(A&L - HG - many)
.ch Header
file (Clipper 5)
.ch3 Chart
(Harvard Graphics 3.0)
.ch4
Presentation (Charisma 4.0)
.chd Font
descriptor (FontChameleon)
.chi
Document (ChiWriter)
.chk
Recovered data (ChkDsk)
Temporary
file (WordPerfect for Win)
.chl
Configuration History Log
.chm Compiled
HTML
.chn Data
(Ethnograph 3)
.cho ChordPro
file
.chp
Chapter file (Ventura Publisher)
.chr
Character set (Turbo C - Turbo Pascal)
.cht Chart
(Harvard Graphics 2.0 - SoftCraft Presenter)
Interface
file for ChartMaster (dBASE)
.cif
Caltech Intermediate Format graphics
Chapter
information (Ventura Publisher)
.cil Clip
Gallery Download Package
.cix
Database index (TCU Turbo C Utilities)
.ckb
Keyboard mapping (Borland C++ 4.5)
.cl Common
LISP source code file
.cl3 Easy CD
Creator Layout file
.cl4 Easy CD
Creator Layout file
.cl5 Easy CD
Creator Layout file
.clb ICQ
Contact List
MS
Office XP Developer Code Librarian
cdrLabel Compact Disc Label
.clp Clip
art graphics (Quattro Pro)
Clipboard
file (Windows 3.x)
Compiler
script file (clip list) (Clipper 5)
.clr Color
binary screen image (1st Reader)
Color
definitions (Photostyler)
.cls C++
class definition file
.cm Data
file (CraftMan)
.cmd Batch
file (OS/2)
Command
(dBASE - Waffle)
External
command menu (1st Reader)
.cmf
FM-music file (Creative Music File)
.cmk Card
(Card Shop Plus)
.cmm Cmm
script (batch) file (CEnvi)
.cmo Virtools
Composition file
.cmp Header
file for PostScript printer files (CorelDRAW)
User
dictionary (MS Word for DOS)
Bitmap
graphics (Lead CMP compression)
.cmq Culturemetrics
file
.cmt Culturemetrics
file
.cmv
Animation (CorelMove CorelDraw 4.0)
.cmx Corel
PhotoPaint Image
Corel
Presentation Exchange Image
The
Sims (Maxis) 3D Body Mesh Data
Apple
Viewer file
.cnc CNC
general program data
.cnd ControlDraw
file
Embroidery Design file
.cnf
Configuration (program - printer setup)
.cnt Helpfile
contents
.cnv Data
conversion support file (Word for Windows)
Temporary
file (WordPerfect for Win)
.cob Cobol
source code file
.cod
Datafile (Forecast Plus - MS Multiplan - StatPac Gold)
Program
compiled code (FORTRAN)
Template
source file (dBASE Application Generator)
Videotext
file
.col Color
palette (Autodesk Animator - many)
Spreadsheet
(MS Multiplan)
.com
Command (memory image of executable program) (DOS)
.con
Configuration file (Simdir)
.cor Protein
Structure file
Web
GPS Correction Server Export file
WMOVIEC Input file
.cpd Script
(Complaints Desk)
.cpe MS Fax
Cover Sheet
.cpf Fax
(The Complete Fax)
.cph Corel
Print House image
.cpi Code
Page Information file (DOS)
Colorlab
Processed Image bitmap graphics
.cpl
Control panel file (Windows 3.x)
Presentation
(Compel)
.cpo Corel
Print House file
.cpp C++
source code file
Presentation
(CA-Cricket Presents)
.cps Backup
of startup files by Central Point PC Tools autoexec.cps
coloured
postscript files
.cpt
Compressed Mac file archive created by COMPACT PRO (ext-pc.zip)
Corel
Photo-Paint Image
Encrypted
memo file (dBASE)
Template
(CA-Cricket Presents)
.cpx Control
Panel Applet
Corel
Presentation Exchange Compressed Drawing
.cpy Copy
Books Data file
.cpz Music
text file (COMPOZ)
.crd
Cardfile (Windows 3.x - YourWay)
ColdRED
Script file
Guitar
Chord file
.crf
Cross-reference (MS MASM - Zortech C++)
.crh Links
Games Course file
MS Golf
Image file
.crp
Encrypted database (dBASE IV)
.crs File
Conversion Resource (WordPerfect 5.1)
.crt
Terminal settings information (Oracle)
.cru
Compressed file archive created by CRUSH
.crx Links
Games Course file
.crz Links
Games Course file
.csa Comma
Deliminated Text
Ultimate
Ride Roller Coaster
.csf Van
Dyke's CRT/SecureCRT Script file
.csg Graph
(Statistica/w)
.csh Hamilton
Labs C Shell Script file
.csk Claris
Works
.csm
Precompiled headers (Borland C++ 4.5)
.csp Pc
Emcee Screen Image file (Computer Support Corporation)
.css
Datafile (CSS - Stats+)
Datasheet
(Statistica/w)
.cst Macromedia
Director Cast file
.csv Comma
Separated Values text file format (ASCII)
Adjusted
EGA/VGA palette (CompuShow)
.ctc
Control file (PC Installer)
.ctd Cobra
Track Dump
Cardtable
file
Marine
Data file
Simpsons
Cartoon Studio Export file
.ctf
Character code translation file (Symphony)
.ctg Cartridge
Definition file
ChessBase Opening Book
Canon Powershot
Pro 70 Info file
.ctl
Control file (dBASE IV - Aldus Setup)
Setup
information
.ctt Labview
file
.ctx Course
TeXt file (Microsoft online guides)
Ciphertext
file (Pretty Good Privacy RSA System)
.cty SimCity
City file
.cue MS Cue
Cards data
.cuf C
Utilities Form definition (TCU Turbo C Utilities)
.cul
Windows cursor library (IconForge, ImageForge, ImageForge PRO)
.cur Cursor
image file (Windows 3.x)
.cut Bitmap
graphics (Dr. Halo)
.cv4 Color
file (CodeView)
.cv5 Canvas
version 5
.cva Compaq
Diagnostics
.cvp Cover
page (WinFax)
.cvr WinFax
Cover Sheet
ElectraSoft Fax Cover Sheet
.cvs
Graphics (Canvas)
.cvt Backup
file for CONVERTed database file (dBASE IV)
.cvw Color
file (CodeView)
.cwk Claris
Works data
.cwz CropWalker
file
.cxt Macromedia
Director Protected Cast file
.cxx C++
source code file (Zortech C++)
.d2s Character
file (Diablo 2)
.d64 Commodore
64 Emulator Disk Image
.dat Data
file in special format or ASCII
Gunlok
Archive
Mitsubishi DJ-1000 and Photorun Native Format
Nascar
Racing Archive
SPOT
Graphic
WordPerfect
Merge Data
.db
Configuration (dBASE IV - dBFast)
Database
(Paradox - Smartware)
.db$
Temperature debug info (Clarion Modula-2)
Temporary
file (dBASE)
.db2
Database (dBASE II)
.db3
Database (dBASE III)
.dba
Datafile (DataEase)
.dbb ANSYS
Database Backup
Mopheus music file
.dbd
Business data (Business Insight)
Debug
info (Clarion Modula-2)
.dbf
Database file (dBASE III/IV - FoxPro - dBFast - DataBoss)
Oracle
8.x Tablespace File
.dbg
Symbolic debugging information (MS C/C++)
.dbk
Database backup (dBASE IV)
.dbl Windows
XP Activation file
.dbm
Datafile (DataEase)
Menu
template (DataBoss)
.dbo
Compiled program (dBASE IV)
.dbs
Database in SQL Windows format
Datafile
(PRODAS)
Printer
description file (Word - Works)
.dbt Data
Base Text (Clipper)
Foxbase+
style memo (FoxPro)
Memo
file for database w/same name (dBASE IV - dBFast)
.dbw
Windows file (DataBoss)
.dbx Database
DataBeam Image
MS
Visual Foxpro Table
.dca
Document Content Architecture text file (IBM DisplayWrite)
.dcf Disk
image file
.dcm DCM
Module Format
Dicom
.dcp Data
CodePage (OS/2)
.dcr Kodak
Proprietary Image Format
Shockwave
file
.dcs Bitmap
graphics (CYMK format) (QuarkXPress)
Datafile
(ACT! Activity Files)
.dct
Database dictionary (Clarion Database Developer)
Spell
checking dictionary (Harvard Graphics 3.0 - Symphony)
.dcx FAX
Image
ElectraSoft Fax
PC-Paintbrush file
Bitmap
Graphics (Multipage PCX)
Macros
MS
Visual Foxpro Database Container
.dd
Compressed Macintosh file archive created by DISKDOUBLER
.ddb Bitmap
graphics
.ddf MS Data
Definition Language file
.ddi
Diskdupe Image file (ddupe322.zip)
.ddp Device
Driver Profile file (OS/2)
.de MetaProducts
Download Express incompletely downloaded file
.deb Debug
script (DOS Debug)
.dec VersaPro
Declaration file
.def
Assembly header file (Geoworks)
Defaults
- definitions
.dem
Demonstration
Graphics
(VistaPro)
.des Description
Text
Tribes
2 Game file
Quickbooks Template
Pro/DESKTOP file
Interscope BlackBox file
.dev Device
driver
.dfd Data
Flow Diagram graphic (Prosa)
.dff Criterion
RenderWare 3.x 3D object format
.dfi
Outline font description (Digifont)
.dfl
Default program settings (Signature)
.dfm Data
Flow Diagram model file (Prosa)
.dfs
Delight Sound file
.dft Fakt2000
file
SolidEdge CAD file
Workshare Synergy file
PC
Draft file
.dfv
Printing form (Word)
.dgn
Graphics (MicroStation)
.dgr Fax
Page (MS Outlook Express)
DART
Pro 98 File Group Details
.dgs
Diagnostics
.dh
Dependency information for .ph (Geoworks)
.dhp Dr.
Halo PIC Format graphics (Dr. Halo II - III)
.dht
Datafile (Gauss)
.dia
Diagraph graphics (Computer Support Corporation)
.dib Bitmap
graphics (Device-Independent Bitmap)
.dic Lotus
Notes / Domino dictonary file
.dif
Database (VisiCalc)
Output
from Diff command - script for Patch command
Text
file (Data Interchange Format)
.dig Digilink
Format
Sound
Designer Audio File
Text
Document
.dip
Graphics
.dir
Dialing directory file (Procomm Plus)
Directory
file (VAX)
Movie
(MacroMind Director 4.x)
.dis
Distribution file (VAX Mail)
Thesaurus
(CorelDraw)
.diz
Description file (Description In Zip)
.dje MattBatt
iAM-player
.dkb Raytraced graphics (DKBTrace)
.dl
Animation (Italian origin)
.dl_ Compressed
.dll file in an Install Archive
.dld Data
(Lotus 1-2-3)
.dlg Dialog
resource script file (MS Windows SDK)
.dll
Dynamic Link Library (Windows 3.x - OS/2)
Export/import
filter (CorelDRAW)
.dls Setup
(Norton Disklock)
.dmf Delusion/XTracker
digital music file
Packed
Amiga Disk Image
.dmg Macintosh
OS X Disk Image file
.dml Medical
Manager DML System Script
.dmo Demo
(Derive)
.dmp Dump
file (eg. screen or memory)
.dms
Compressed Amiga file archive created by DISKMASHER
.dna Desktop
DNA data storage file
.dnasym Desktop
DNA compiled application script
.dnax
Desktop DNA exclusion list (text)
.dne Netica
Bayes net file (Norsys Software Corp.)
.dng Dungeon
file
.dnl DigitalWebBook
Electronic Book
netMod
Modem Firmware Upgrade file
.doc
Document text file
.dog Screen
file (Laughing Dog Screen Maker)
.doh
Dependency information for .poh (Geoworks)
.dos
External command file (1st Reader)
Network
driver (eg. pkt_dis.dos)
Text
file containing DOS specific info
.dot
Line-type definition file (CorelDRAW)
Template
(Word for Windows)
.dox Text
file (MultiMate 4.0)
.doz
Description Out of Zip (VENDINFO)
.dp
Calendar file (Daily Planner)
Data
file (DataPhile)
.dpk Delphi
Package file
.dpp Serif
DrawPlus Drawing
.dpr
Default project- and state-related information (Borland C++)
.dps DivX XP
Skin
.dpt Desktop
DNA template
.drs
Display Resource (WordPerfect for Win)
.drv Device
driver eg. for printer
.drw
Drawing (various)
Vector
graphics (Micrografx Designer)
.ds4 Vector
graphics (Micrografx Designer 4.0)
.dsa DasyTec
DASYLab file
.dsb DasyTec
DASYLab file
.dsc
Discard file (Oracle)
.dsd
Database (DataShaper)
.dsf Micrografx
Designer
PC-TRUST Document Signer
Delusion/XTracker Digital Sample
.dsk
Project desktop file (Borland C++ - Turbo Pascal)
.dsm
Digital sound module (DSI)
.dsn Design
(Object System Designer)
.dsp
Display parameters (Signature)
Graphics
display driver (Dr.Halo)
MS
Developer Studio Project
.dsr Driver
Resource (WordPerfect for Win)
.dss
Screensaver file (DCC)
Sound
(Digital Soup)
.dst PC-RDist
Distribution file
Embroidery Machine Stitch file (VeePro)
.dsw
Desktop settings (Borland C++ 4.5)
.dsy PC
Draft Symbol Library
.dt_ Data
fork of a Macintosh file (Mac-ette)
.dta Data
file (Turbo Pascal - PC-File - Stata)
.dtd SGML
Document Definition file
.dtf
Database file (PFS - Q&A)
.dtp
Document (Timeworks Publisher3)
Publication
(Publish-It!)
.dup Duplicate
Backup
.dus Readiris
font dictionary
.dvc Data
(Lotus 1-2-3)
.dvf DV
Studio Camcorder Graphics file
.dvi Device Independent document (TeX)
.dvp
Desqview Program Information file (DESQview)
Device
parameter file (AutoCAD)
.dw2
Drawing (DesignCAD for windows)
.dwc
Compressed file archive created by DWC (dwc-a501.exe)
.dwd Davka
Writer file
DiamondWare
Digitized file
.dwf Autodesk
WHIP! Drawing Web file
MS
WHIP autoCAD REader Drawing Web file
.dwg
Drawing (Drafix)
Drawing
database (AutoCAD)
.dwt AutoCAD
Template/Prototype file
Macromedia Dreamweaver Template file
Demon's World Game Texture file
.dx Text
file (DEC WPS/DX format - DEC WPS Plus)
.dxf
Drawing Interchange File Format vector graphics (AutoCAD)
.dxn Fax
(Fujitsu dexNET)
.dxr Dependable
Strengths Administrator Resources
Green
Building Advisor file
Macromedia
Director Protected Movie file
.dyc ICUII
Videochat file
.dyn Data
(Lotus 1-2-3)
.dz Dzip
Compressed file
.ear Java
Enterprise Application Packaging Unit
.eas Elite
Visual Basic API Spy
.ebj
Error-checking object file (Geoworks)
.ebo MS Reader
Ebook Format
.ebp Pocket
PC WindowsCE Project file
.ecf WinFax
Office Add-in file
.eco NetManage
ECCO file
.ecw Ensoniq
Waveset Format
EclipseCrossword Crossword Puzzle
.edb MS
Exchange Database
ROOTS3
geneological data
.edl Edit
Decision List (management for video/film post production)
.eds Ensoniq
SQ80 disk image
.edt
Default settings (VAX Edt editor)
.eeb Button
bar for Equation Editor (WordPerfect for Win)
.efe Ensoniq
EPS file
.eft High
resolution screen font (ChiWriter)
.efx Fax
(Everex EFax)
.ega EGA
display font (Ventura Publisher)
.ek5 SonarData
Echoview file
.ek6 SonarData
Echoview file
.ekm EXP:
The Scientific Word Processor Macro
.el Elisp
source code file (Emacs lisp)
.elc
Compiled ELISP code (Emacs lisp)
.elm MS
FrontPage Theme-Pack file
.elt Event
list text file (Prosa)
.email Outlook
Express Mail Message
.emb
Everest Embedded Bank File
.emd ABT
Extended Module
.emf
Enchanced Metafile graphics
.eml MS
Outlook Express Electronic Mail
.emp E-Music
File Format
.ems PC
Tools Enhanced Menu System Config
.emu
Terminal emulation data (BITCOM)
.emx Ensuredmail
encrypted file/e-mail message
.enc
Encoded file - UUENCODEd file (Lotus 1-2-3 - uuexe515.exe)
Music
(Encore)
.end
Arrow-head definition file (CorelDRAW)
.eng
Dictionary engine (Sprint)
Graphics
(charting) (EnerGraphics)
.ens EndNote
Styles file
.env
Enveloper macro (WOPR)
Environment
file (WordPerfect for Win)
.eot MS WEFT
Embedded OpenType file
.epd
Publication (Express Publisher)
.epi
Document (Express Publisher)
.epp EditPad
Pro Project
.eps
Encapsulated PostScript vector graphics (Adobe Illustrator)
Printer
font (Epson - Xerox...) (Ventura Publisher)
.eqn
Equation (WordPerfect for Win)
.erd Entity
Relationship Diagram graphic file (Prosa)
.erm Entity
Relationship Diagram model file (Prosa)
.err Error
log
Error
messages for command line compilers
.esh
Extended Shell batch file
.esl MS
Visual FoxPro Distributable Support Library
.esp Ventura
file
.ess EXP:
The Scientific Word Processor Style Sheet
.est MS
Streets & Trips 2001 Trip file
.etf Enriched
Text file
PolyEdit
file
.eth
Document (Ethnograph 3)
.etx
Structure Enhanced (setext) text
.ev SonarData
Echoview file
.evi SonarData
Echoview file
.evl SonarData
Echoview file
.evr SonarData
Echoview file
.evt Event
log
.evy
Document (WordPerfect Envoy)
.ewd
Document (Express Publisher for Windows)
.ewl EclipseCrossword
Word List
Microsoft
Encarta Document
.ex_ Compressed
.EXE File in an Install Archive
.ex3 Device
driver (Harvard Graphics 3.0)
.exc Rexx
source code file (VM/CMS)
Exclude
file for Optimize (do not process) (QEMM)
.exd Control
Information Cache
.exe
Directly executable program (DOS)
.exm Msdos
executable, system-manager compliant (HP calculator)
.exp ICQ
Saved Chat file
.ext
Extension file (Norton Commander)
.exx
Intermediate file by MsgPut (IBM LinkWay)
.ezf Fax
(Calculus EZ-Fax)
.ezm Text
file
.ezp Edify
Electronic Workforce Backup Utility
.f
Fortran source code file
Compressed
file archive created by FREEZE
.f01 Fax
(perfectfax)
.f06 Dos
screen text font - height 6 pixels (fntcol13.zip)
.f07 Dos
screen text font - height 7 pixels (fntcol13.zip)
.f08 Dos
screen text font - height 8 pixels (fntcol13.zip)
.f09 Dos
screen text font - height 9 pixels (fntcol13.zip)
.f10 Dos
screen text font - height 10 pixels (fntcol13.zip)
.f11 Dos
screen text font - height 11 pixels (fntcol13.zip)
.f12 Dos
screen text font - height 12 pixels (fntcol13.zip)
.f13 Dos
screen text font - height 13 pixels (fntcol13.zip)
.f14 Dos
screen text font - height 14 pixels (fntcol13.zip)
.f16 Dos
screen text font - height 16 pixels (fntcol13.zip)
.f2 FLASH
BIOS file
.f2r Linear
module (music) (Farandole)
.f3r
Blocked module (music) (Farandole)
.f77
Fortran 77 source code file
.f96 Fax
(Frecom FAX96)
.fac Face
graphics
.faq
Frequently Asked Questions text file
.far Farandoyle
Tracker Music Module
The Sims (Maxis) Archive file
.fav MS
Outlook Bar Shortcuts
.fax Fax
(raster graphics) (most Fax programs)
.fbc FamilyTree
Compressed backup file
.fbk Navison
Financials Backup
FamilyTree Backup file
.fc Spell
checking dictionary (Harvard Graphics 2.0)
.fcd Virtual
CD-ROM
FastCAD/EasyCAD Output
Patton
& Patton Flow Charting 3 file
IsoBuster file
.fcm Binary
file patch file (forward compression)(jlpak10.zip)
.fcp FLAMES
Checkpoint Restart file (Ternion)
.fcs Flow
Cytometry Standard Format
Fantasy Football League Organizer file
RealProducer Pro Settings
c-tree
Server/Plus Data file
Canon
Zoom Browser EX file
CD
Trustee file
Spectrum Server Log file
.fcw Campaign
Cartographer 2 file
.fd
Declaration file (MS Fortran)
Field
offsets for compiler (DataFlex)
.fdf Adobe
Acrobat Forms document
.fdr Final
Draft Document file
Embroidery Design file
.fdw Form
(F3 Design and Mapping)
.feb Button
bar for Figure Editor (WordPerfect for Win)
.fes Fabio
Editing Software
.ff
Outline font description (Agfa Compugraphics)
.ffa MS Fast
Find file
.fff Fax
(defFax)
.ffl MS Fast
Find file
.ffo MS Fast
Find file
.fft
Dca/FFT Final Form Text text file (DisplayWrite)
.ffx Microsoft
Fast Find file
.fgd Folder
Guard Data
Half-life
Modification Map Configuration file
Digital
Raster Graphic Metadata file
.fh3 Vector
graphics (Aldus FreeHand 3.x)
.fh4 Vector
graphics (Aldus FreeHand 4.x)
.fh5 Freehand
5
.fh6 Freehand
6
.fh7 Freehand
7
.fh8 Macromedia
Freehand 8
.fh9 Macromedia
Freehand 9
.fh10 Macromedia
Freehand 10
.fi
Interface file (MS Fortran)
.fif
Fractal Image Format file
.fig REND386/AVRIL
Graphic
Super
Nintendo Game-console ROM Image
.fil File
template (Application Generator)
Files
list object file (dBASE Application Generator)
Overlay
(WordPerfect)
.fin
Print-formatted text file (Perfect Writer - Scribble - MINCE)
.fit Fits
graphics
File
Index Table (WindowsNT)
.fix Patch
file
.fky Macro
file (FoxPro)
.fla Macromedia
Flash
.flb Format
library (Papyrus)
.flc
Animation (Autodesk Animator)
.fld Folder
(Charisma)
.fli Tex
font library (EmTeX)
Animation
(Autodesk Animator)
.flm Film
Roll (AutoCAD/AutoShade)
.flo
Micrografx FlowCharter
.flp FlipAlbum
file
Fruityloops
Saved file
.flt Asymetrix
Graphics Filter Support file
CoolEdit
Pro Filter
Corel
Graphic Filter
FileMaker
Filter
FLIC
Animation (DTA)
Micrografx
Picture Publisher Filter
MS
Graphics Filter
MulitGen
Open Flight file
OS/2
Warp Filter Device Driver
StarTrekker
Music Module
WinFlash
Educator Flashcard Compiled Test file
.flv Macromedia
Flash Video file
.flx
Compiled binary (DataFlex)
.fm
Spreatsheet (FileMaker Pro)
.fm1
Spreadsheet (Lotus 1-2-3 release 2.x)
.fm3 Device
driver (Harvard Graphics 3.0)
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)
.fmp FileMaker
Pro Document
.fmt Format
file (dBASE IV - FoxPro - Clipper 5 - dBFast)
Style
sheet (Sprint)
.fmv Frame
Vector Metafile
.fn3 Font
file (Harvard Graphics 3.0)
.fnt Font
file (many)
.fnx
Inactive font (Exact)
.fo1 Font
file (Borland Turbo C)
.fo2 Font
file (Borland Turbo C)
.fol Folder
of saved messages (1st Reader)
.fon
Dialing directory file (Telix)
Font
file (many - Windows 3.x font library)
Log of
all calls (Procomm Plus)
.for
Fortran source code file
Form
(WindowBase)
.fot
Installed Truetype font (Windows Font Installer)
.fp
Configuration file (FoxPro)
.fp3 FileMaker
Pro 3.0 and earlier files
.fp4 FileMaker
Pro 4.0
.fp5 FileMaker
Pro 5.0 and later files
.fpb FLAMES
Playback file (Ternion)
.fpc
Catalog (FoxPro)
.fpk JetForm
FormFlow file
.fpr FLAMES
Prototype file (Ternion)
.fpt Memo
(FoxPro)
.fpw
Floorplan drawing (FloorPLAN plus for Windows)
.fpx FlashPix
Bitmap
.fqy FLAMES
FLARE Command file (Ternion)
.fr3
Renamed dBASE III+ form file (dBASE IV)
.frc FLAMES
RECORD Output file; FLARE Input file (Ternion)
.fre Creative
Digital Blaster Digital VCR file
Male
Normal CT
.frf Font
(FontMonger)
.frg
Uncompiled report file (dBASE IV)
.frl FormFlow
file
.frm Form
(Visual Basic)
Report
file (dBASE IV - Clipper 5 - dBFast)
Text
(order form)
.fro
Compiled report file (dBASE IV)
.frp Form
(PerForm PRO Plus - FormFlow)
.frs Screen
Font Resource (WordPerfect for Win)
.frt Report
memo (FoxPro)
.frx Report
(FoxPro)
.fsc FLAMES
Scenario file (Ternion)
.fsh EA
Sports Game Graphic Editor file
.fsl Form
(Paradox for Windows)
.fsm
Farandoyle Sample format music
.fst
Linkable program (dBFast)
.fsx Data
(Lotus 1-2-3)
.fsy Fileware's
Filesync
.ftm Font
file (Micrografx)
.ftp
Configuration (FTP Software PC/TCP)
.fts Windows
Help Full-Text Search Index file
.ftw Family
file
FontTwister
.fvt Interlock
Public Computer Utility
.fw
Database (FrameWork)
.fw2
Database (Framework II)
.fw3
Database (Framework III)
.fx
On-line guide (FastLynx)
.fxd
Phonebook (FAXit)
.fxm WinFax/WinFax
MiniViewer Fax
.fxo Fax
Image Document
.fxp
Compiled format (FoxPro)
.fxr WinFax
Received Document
.fxs Fax
Transmit Format graphics (WinFax)
.g Data
chart (APPLAUSE)
.g3f Zetafax
TIFF file (fine resolution)
.g3n Zetafax
TIFF file (normal resolution)
.g8 Raw
graphics (one byte per pixel) plane three (PicLab)
.gal Corel
Multimedia Manager Album
.gam Fax
(GammaFax)
TADS
2.x Game file
Baldur's Gate Game file
Animated E-mail
.gat Gator
file
.gb GameBoy
ROM
.gba Game
Boy Advanced ROM
GrabIt
Batch files
.gbc Game
Boy COlor ROM
.gbd Gator
Banner file
.gbl Global
definitions (VAXTPU editor)
.gbr GIMP
Brush file
Gerber
Format file
.gbx Gerber
file
.gc1 Lisp
source code (Golden Common Lisp 1.1)
.gc3 Lisp
source code (Golden Common Lisp 3.1)
.gcd
Graphics
.gdb Interbase
Database
Group
Mail file
.gdf
Dictionary file (GEOS)
.gdr Bitmap
Font file (SymbianOS)
.ged Editor's
native file format (Arts & Letters)
GEDCOM
Family History file
Graphic
Environment Document
Graphics
editor file (EnerGraphics)
.gem Vector
graphics (GEM - Ventura Publisher)
.gen
Compiled template (dBASE Application Generator)
Generated
text (Ventura Publisher)
Genius
Family Tree
.geo Geode
(Geoworks)
.gfb
Compressed GIF image created by GIFBLAST (gifblast.exe)
.gft Font
(NeoPaint)
.gfx Genigraphics
Graphics Link Presentation
.gho Symantec
Ghost Disk image file
.ghs Lasertank
High Scores
Symantec
Ghost Disk Image Span file
.gib Chart
(Graph-in-the-Box)
.gid Windows
Help index file
.gif
Graphics Interchange Format bitmap graphics (CompuShow)
.gig Sound
file
.giw
Presentation (Graph-in-the-Box for Windows)
.gl
Animation (GRASP GRAphical System for Presentation)
.glm
Datafile (Glim)
.gls
Datafile (Across)
.gly
Glossary (MS Word)
.gmf CGM
graphics (APPLAUSE)
.gmp
Geomorph tile map (SPX)
.gno Genopro
Genealogy Document file
.goc Goc
source code file (Geoworks)
.goh Goc
header file (Geoworks)
.gp Geode
parameter file (Geoworks Glue)
.gp3 CCITT
Group 3 file
GuitarPro
3
.gpd VISUAL
EPR Input Data for PARAMS.EXE
.gph Graph
(Lotus 1-2-3/G)
.gpk Omnigo
program package
.gr2 Screen
driver (Windows 3.x)
.gra
Datafile (SigmaPlot)
.grb Ms-DOS
Shell Monitor file (MS-DOS 5)
.grd Gradebook
Power file
Map
Projection Grid file
.grf Graph
file (Graph Plus - Charisma)
.grl Matlab
Graphic Format
.grp Group
file (Windows 3.x - Papyrus)
Pictures
group (PixBase)
.grx File
list (GetRight)
.gry Raw
GREY graphics
.gs1
Presentation (GraphShow)
.gsd Vector
graphics (Professional Draw)
.gsm Raw GSM
6.10 Audio Stream
Sound
file
US
Robotics modem file
.gsp Geometer's
Sketchpad Material file
.gsw
Worksheet (GraphShow)
.gtp GuitarPro
file
.gts Genome
Software Tempo Alarm Clock
.gup Data
(PopMail)
.gwi Groupwise
File
.gwp Greetings
WorkShop file
.gxd General
CADD Pro file
GX-Reports file
Jeol
EX Spectrometer Data file
.gxl
Graphics library (Genus)
.gxt GTA2
Game file
.gym Sega
Genesis Music Logged Format
.gz
Compressed file archive created by GZIP (GNU zip)
.h Header
file
.h!
On-line help file (Flambeaux Help! Display Engine)
.h++ Header
file (C++)
.h-- Header
file (Sphinx C--)
.ha
Compressed file archive created by HA (ha098.zip)
.ham Image
file
.hap
Compressed file archive created by HAP (hap303re.zip)
.hbk
Handbook (Mathcad)
.hcr IBM
HCD/HCM Production Configuration
.hdf
Hierarchical Data File graphics (SDSC Image Tools)
Help
file (Help Development Kit)
.hdl
Alternate download file listing (Procomm Plus)
.hdp Magix
Music/Video
.hdr
Pc-File+ Database header
Datafile
(Egret)
Message
header text (Procomm Plus - 1st Reader)
.hdw Vector
graphics (Harvard Draw)
.hdx Help
index (AutoCAD - Zortech C++)
.hex Hex
dump
.hfi Hp Font
Info file (GEM)
.hfx HotFax
file
US
Robotics Rapid Comm Voice Data file
.hgl Hp
Graphics Language graphics
.hh C++
header file
.hhc Table
of Contents file
TurboTax Contents file
.hhh
Precompiled header file (Power C)
.hhk Help
Workshop Index file
.hhp Help
information for remote users (Procomm Plus)
.hht MS
Messenger file
.hin
Molecule (HyperChem)
.his Insight
II Dynamics Trajectory History file
Spy-CD
CD Search Database file
.hlb Help
library (VAX)
.hlp Help
information
.hlz Multi-Edit
Packed Help file
.hmm
Alternate Mail Read option menu (Procomm Plus)
.hnc CNC
program files Heidenhain (?) dialog
.hof Hall
Of Fame (game scores)
.hp8 Ascii
text HP Roman8 character set (NewWave Write)
.hpf Hp
LaserJet fonts (PageMaker)
.hpg HPGL
plotter file vector graphics (AutoCad - Harvard Graphics)
.hpi Font
information file (GEM)
.hpj Help
project (MS Help Compiler)
.hpk
Compressed file archive created by HPACK (hpack75.zip)
.hpm Emm
text (HP NewWave)
Alternate
Main menu for privileged users (Procomm Plus)
.hpp C++
header file (Zortech C++)
.hqx
Compressed Macintosh ASCII archive created by BINHEX (xbin23.zip)
.hrf
Graphics (Hitachi Raster Format)
.hrm
Alternate Main menu for limited/normal users (Procomm Plus)
.hs2
Monochrome image (Postering)
.hsi
Handmade Software Inc. graphics - almost JPEG (Image Alchemy)
.hst
History file (Procomm Plus)
.hta Hypertext
application
.htc HTML
Component (mechanism for implementing Dynamic HTML in script)
.htf WebBase
File
.hti WebBase
File
.htm
HyperText Markup Language document
.htr Motion
Analysis Software Skeletal file
.htt Hypertext
template
.htx
Hypertext file
.hus Husqvarna
Designer I Embroidery Machine Format
.hwd
Presentation (Hollywood)
.hxm
Alternate Protocol Selection menu for all users (Procomm Plus)
.hxx C++
header file
.hy1
Hyphenation algorithms (Ventura Publisher)
.hy2
Hyphenation algorithms (Ventura Publisher)
.hyc Data
(WordPerfect)
.hyd
Hyphenation dictionary (WordPerfect for Win)
.hyp
Compressed file archive created by HYPER (hyper25.zip)
.i
Intermediate file (Borland C++ 4.5)
.iaf MS
Outlook 97 and 2000 e-mail account settings
.iax Bitmap
graphics (IBM Image Access eXecutive)
.ibm
Compressed file archive created by ARCHDOS (Internal IBM only)
.ica Bitmap
graphics (Image Object Content Architecture)
.icb Bitmap
graphics
.icc Kodak
Printer Image
IronCAD Catalog
.icd IronCAD
2D CAD file
.icl icon
library (ActivIcons, IconForge, ImageForge, ImageForge PRO)
.icm Image
Color Matching Profile file
ICC
Profile, Acer Monotor Drive
.icn Icon
source code file
.ico Icon
(Windows 3.x)
.id Disk
identification file
.ide
Project (Borland C++ 4.5)
.idf ARTiSAN
Real-time Studio ID file
MIDI
Instruments Drivers file
.idl MS
Visual C++ Interface Definition file
OMG
CORBA Interface Definition Language
.idw Vector
graphics (IntelliDraw)
.idx Index
(many - FoxPro)
.ies Photometric
file data
.ifd Form
(JetForm Design)
.iff
Interchange File Format bitmap graphics/sound (Amiga)
Sun
TAAC Image File Format (SDSC Image Tool)
.ifo Saved
graphic objects (ImageForge PRO)
.ifp Script
(KnowledgeMan)
.ifs
Fractal image compressed file (Yuvpak)
.ifs System
file (OS/2) hpfs.ifs
.igs IGES-Format
.igx iGrafx
Process
.iif QuickBooks
for Windows Interchange file
.ilb Data
(Scream Tracker)
.ilk
Outline of program's format (MS ILink incremental linker)
.im8 Sun
raster graphics
.ima Mirage
vector graphics (EGO, Chart, Autumn)
.imb IncrediMail
file
.imc IncrediMail
file
.imf
ImageForge/IconForge saved filtered brushes(IconForge, ImageForge,
ImageForge PRO)
.img Bitmap
graphics (Ventura Publisher - GEM Paint)
.imm IncrediMail
Trash
.imn IncrediMail
Notifier
.imp
Spreadsheet (Lotus Improv)
.imq Image
presentation (ImageQ)
.ims Incredimail
Graphic
.imv Yahoo
Instant Messenger IMVironment
.imw Imageware
Surfacer 3D CAD Surface Geometry
IncrediMail Sound
.imz Compressed
floppy image
.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 Index
(dBASE IV)
.inf Type 1
LaserJet font information file (soft font installers)
Information
text file (ASCII)
Install
script
.ini
Initialization file
.ink
Pantone reference fills file (CorelDRAW)
.inl MS
Visual C++ Inline Function file
.inp GIS
Software Text Input file
Oracle
Source Code
Self-Extracting
Archive Utility Project
.ins Data
(WordPerfect)
Installation
script (1st Reader)
Instrument
music file (Adlib)
.int
Borland Interface Units
Program
saved in Internal (semi-compiled) format (Signature)
.inx Index
(Foxbase)
.io Compressed file archive created by CPIO
.iob 3d
graphics database in TDDD format
.ioc
Organizational chart (Instant ORGcharting!)
.ion 4dos
descript.ion file (file descriptions)
.ipd InstallPROG
6 EDBS Install Database
.ipg Mindjongg
Format
.ipl
Pantone Spot reference palette file (CorelDRAW)
.ips Game
Patch file
MENSI
3Dipsos
.ipx IPIX AV
file
.ipz ICQ
Skin Plus
.irs
Resource (WordPerfect)
.isd
Spelling Checker dictionary (RapidFile)
.ish
Compressed file archive created by ISH
.isk Command
file
.iso Easy CD
Creator Disc Image
File
List for CD-ROM
InstallShield
Uninstall file
ISO
Buster file
ISO-9660
Table
RichWin
.isr MS
Streets & Trips Route file
.iss InstallShield
Response file
ISS
Graphic
.ist Digitrakker
Instrument File (n-FaCToR)
.isu InstallShield
Uninstall Script
Easy
CD Creator 4 Uninstall file
Netscape file
.it
Settings (intalk)
.itf
Interface file (JPI TopSpeed Pascal)
.ith InTether
technology secured file
.ivt MS Infoviewer
Title
.iw
Presentation flowchart (IconAuthor - HSC InterActive)
.iwa Text
file (IBM Writing Assistant)
.iwp Text
file (Wang)
.izt Izl
binary token file (IZL)
.jar Java
archive file
.jas
Graphics
.jav Java
source code file
.jbc Jam
Byte-Code Hex file
BestCrypt
File
.jbd
Datafile (SigmaScan)
.jbf Paint
Shop Pro browser file
.jbk Juno
Backup file
.jbr Jasc
Paint Shop Pro Brush
.jbx
Project file (Project Scheduler 4)
.jdt Accelio
Capture Classic Filler
.jef Janome
NH10000 Sewing Machine file
.jet Fax
(Hybrid JetFax)
.jff Bitmap
graphics (JPEG File Interchange Format)
.jfx J2 Fax
File
.jhtml Dynamo
Server Page
.jif JPEG/JIFF
Image
Jeff's
Image Format
.jmx JMeter
file
.jnb Sigma
Plot Workbook file
.jnl Ingres
Journal file
.job Job
file
Task
Scheduler Task Object
AI
Research file
QuestVision Vector Graphics file
.jor
Journal file SQL
.jou
Journal backup (VAX Edt editor)
.jpc
Graphics (Japan PIC)
.jpe JPEG
image
.jpg Bitmap
graphics (Joint Photography Experts Group)
.jps Stereo
Image
.jsd eFAX
Jet Suite Document
.jsh Henter-Joyce,
Inc. Jaws Script Header file
.jsp Java
Server page
.jtf Fax
(Hayes JT Fax)
Bitmap
graphics (JPEG Tagged Interchange Format)
.jtp Jetform
file
.jw Text
document (JustWrite)
.jwl
Library (JustWrite)
.jwp Easy CD
Creator Label file
JWP
Document
.jzz
Spreatsheet (Jazz)
.kar Midi
file with karaoke word track
.kb
Keyboard script (Borland C++ 4.5)
Program
source (Knowledge Pro)
.kbd
Keyboard mapping (LocoScript - Signature - Procomm Plus)
.kbm
Keyboard mapping (Reflection 4.0)
.kcl Lisp
source code (Kyoto Common Lisp)
.kcp Keychamp
file
.kdc Kodak
Photo-Enhancer/Photogen file
.kex Macro
(KEDIT)
.key
Datafile (Forecast Pro)
Keyboard
macros
Security
file eg. Shareware Registration info
.kit Raven
Toolkit file
.kix KixTart
Script
.kma Kodak
Memory Book file
.kmp Korg
Trinity KeyMaP file
.kmx Kaufman
Mmail Warrior Mail Folder
.kos MicroType
Pro Document
.kpl Kazaa
Playlist
KPL
Source Code
.kpp
Toolpad (SmartPad)
.kps Ibm
KIPS bitmap graphics
.kqp Konica
Quality Picture
.krz Kurzweil
2000 Sample
.ktk Kutoka's
Mia
.kyb
Keyboard mapping (FTP Software PC/TCP)
.l Lex
source code file
Lisp
source code file
Linker
directive file (WATCOM wlink)
.l01 ARC
Digitized Raster Graphics
.lab
Datafile (NCSS - SOLO)
Mailing
labels (Q+E for MS Excel)
Mailing
labels (Q+E for MS Excel)
.lat Crossword
Express Lattice file
.lay Word
chart layout (APPLAUSE)
.lbg Label
generator data (dBASE IV)
.lbl Label
(dBASE IV - Clipper 5 - dBFast)
.lbm Bitmap
graphics (DeluxePaint)
Linear
bitmap graphics (XLib)
.lbo
Compiled label (dBASE IV)
.lbr
Compressed file archive created by LU (lue220.arc)
Display
driver (Lotus 1-2-3)
.lbt Label
memo (FoxPro)
.lbx Label
(FoxPro)
.lcf Linker
Control File (Norton Guides compiler)
.lck
Lockfile (Paradox)
.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)
.ld1
Overlay file (dBASE)
.ldb Data
(MS Access)
.ldf
Library definition file (Geoworks Glue)
.leg Legacy
Graphic Format
.les Lesson
(check *.cbt)
.let Letter
.lev Level
file (NetHack 3.x)
.lex
Lexicon (dictionary) (many)
.lfa LifeForm
file
.lft Laser
printer font (ChiWriter)
.lg Logo
procedure definitions (LSRHS Logo)
.lgc Program
Use Log file
.lgo Logo
for header and footer (SuperFax)
Startup
logo code (Windows 3.x)
.lha
Compressed file archive created by LHA/LHARC (lha255b.exe)
.lhw
Compressed Amiga file archive created by LHWARP
.lib
Library file (several programming languages)
.lic License
file (Shareware)
.lid WinDVD
file
Light
Field Description file
Dylan
Library Interchange Description
LabelVision
Auto Incrementing Value file
Maple V
Setup file
Scholar's
Aid Backup file
.lif
Logical Interchange Format data file (Hewlett-Packard)
Compressed
file archive
.lim
Compressed file archive created by LIMIT (limit12.zip)
.lin Line
types (AutoCAD)
.lis
Listing (VAX)
.lit MS
Reader EBook file
.lix Extend
Simulation Library file
Libronix
DLS Resource (LLS 2.x Index)
.lj Text
file for HP LJ II printer
.lko MS
Outlook Express Linked Object
.ll3
Laplink III related file (document) (LapLink III)
.lnd 3D
Landscape Data
.lng Diablo
II file
NRG
SDR Language file
.lnk Linker
response file (.RTLink)
.loc MicroSim
PCBoard Component Locations Report
Suppose
Locations file
.lod Load
file
.log Log
file
.lok
Encrypted and compressed archive format (FileWrangler, SecurDesk!,
ZipWrangler)
.lpc
Printer driver (TEKO)
.lpd Helix
Nuts and Bolts File