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File Types

File Types

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There are currently 531 names in this directory
Temporary file

A file that allows Windows to display text and graphics in standard mode on a 286 or 386 computer (filename extension).

Swap file; enables computer running in enhanced mode to use Windows with virtual memory (filename extension).

A file that allows Windows to display text and graphics in enhanced mode on a 386, 486, or Pentium computer (filename extension).

Calcomp plotter

MacroMedia Authorware Windows 3.5 (filename extension).

AutoBackup, Corel Draw (filename extension).

Brush - Adobe Photoshop (filename extension).

Keyboard accelerator, Corel Draw 6 (filename extension).

Windows system directory file (filename extension).

Drivers for compressing or decompressing audio files, OS/2 (filename extension).

After Dark

1. Appointment DataBase, HP 100LX (filename extension). 2. Body file type, Ada language (filename extension).

Adapter Driver - OS/2 (filename extension).

AfterDark MultiModule (filename extension).

AfterDark Randomizer (filename extension). AfterDark is a screensaver program that can be set to randomly display a variety of screensaver patterns one after another.

Specification file type, Ada language (filename extension).

Adobe Font Metrics - Type 1 font metrics (filename extension).

Access G4

Adobe Illustrator

Audio Interchange File Format or AIFF (filename extension). A format developed by Apple Computer for storing high-quality sampled audio and musical instrument information. It can be played on PC and Mac.

Audio Interchange File Format. An uncompressed sound format developed by Apple Computer for storing high-quality sampled audio and musical instrument information. It can be played on PC and Mac, using QuickTime or Sound Player.

Arts and Letters Library (filename extension).

Animated cursor (filename extension).

ANSI text (filename extension).

Application Program Interface (filename extension). An interface between the operating system and application programs.

MacroMedia Authorware package (filename extension).

ARC or ARC+ compressed

A PC compressed format found on European sites (filename extension), which can be decoded with unArjMac, DeArj, and SITEX10.EXE (win).

An art file, in some draw or paint applications (filename extension).

ASCII text file

Active Streaming File - HoTMetaL Pro (filename extension).

Assembly Source Code

Active Server Page - Microsoft (filename extension).

Assistant file - Claris Works (filename extension). Assistants guide the user through a task by asking a series of questions and then use the answers to perform a task. Assistants in Claris Works can be used to create such useful items as calendars, newsletters, stationery, labels, and address lists, to make footnotes within a file, to find documents, etc.


A sound file format used on Sun Microsystems or other UNIX computers

AVI movie format

Intel video capture format (filename extension).

Base 64 (filename extension), the encoding format used by the Multipurpose Internet Mail Extension.

Backup copy in DOS or OS/2

BASIC program file


Briefcase document - Windows 95 (filename extension).

Backgammon game (filename extension).

Binary file (filename extension).


A MacBinary II encoded file (filename extension). This file type, downloaded as MacBinary or Binary, can be decompressed with Stuffit Expander.

Backup copy

Backup file (filename extension).

Wordperfect for DOS (filename extension).


Sim City game file (filename extension).

Browse Index (filename extension). Found on multimedia CD-ROMs.

Batch file - Norton Utilities (filename extension).

C program file

Microsoft compressed format

Calendar or CALS


Computer-Based Training; a tutorial file (filename extension).

Corel chart (filename extension).

Lotus cc:Mail (filename extension).

CD Audio track (filename extension).


Corel Draw template (filename extension).

Corel Draw compressed file (file extension).

Visual FoxPro database index (filename extension).

Compton’s multimedia encyclopedia (filename extension).


Corel Flow (filename extension).

Common Gateway Interface (filename extension). A file that makes it possible for HTTP servers to interface with computer programs to provide interactive functions like fill-out forms.

CGM graphics

Checkdisk - DOS

Chapter - Ventura

Chapter Information - Venture

Sim City file (filename extension).

Intergraph scanned image


Command file -- OS/2

Corel MetaFile (filename extension).

SoundBlaster file (filename extension).

LEAD Technologies graphics

Corel Move animation (filename extension).

Configuration file (filename extension).

Compuworks Design Shop (filename extension).

COBOL source code

Command file - small version of .EXE

Fax Cover document (filename extension).

Code Page - DOS

Control Panel - Windows

C++ program file

Knowledge Access graphics

Compact Pro

Corel Presentation Exchange compressed file (filename extension).

Windows Cardfile (filename extension).

Corel Script (filename extension).

Cascading Style Sheet (filename extension).

Comma delimited

Control file (filename extension).

City file - SimCity (filename extension).

Windows cursor image

Dr. Halo graphics

Microsoft CodeView (filename extension).

Claris Works (filename extension).

Claris Works template (filename extension).


Table - Paradox

Visual FoxPro database (filename extension).

Database File - dBASE

Database text - dBASE

DATABEAM graphics

IBM text

Color Separation - EPS


Disk Doubler

Disk Doubler Image (filename extension).

Definition - C++ (filename extension).

Certificate (filename extension).

Device driver file (filename extension).

Autotrol graphics

Intergraph graphics

DIB graphics - Windows


Data Interchange Format spreadsheet

Dynamic link library

Document file

Document Template - Microsoft Word (filename extension).

MultiMate document

Dots Per Inch - graphics

Delphi project file (filename extension).


Designer graphics

Designer graphics, version 4

Designer graphics, version 6

AutoCAD vector format

Drawing - AutoCAD (filename extension).

Document Imaging

AutoCAD vector format

EDMICS graphics

Enhanced Windows Metafile (filename extension).

electronic mail


Encapsulated PostScript format

Esri plot file

Easy Worship File

Executable file -- machine code


Force Index

Aldus Freehand 3 (filename extension).

AutoDesk animation

Thumbnail folder - Hijaak

AutoDesk animation

Live3D (filename extension).

Filter - graphics conversion

Framemaker (filename extension).

Format for 1-2-3 Version 3

Format - dBASE


Fontographer font (filename extension).

1. Bitmapped Font - Windows 2. Phone


Windows TrueType font


Claris FileMaker Pro (filename extension).

Flying Pigs (filename extension).

Filemaker Pro 3

FlashPix bitmap (filename extension).

Form design -- Visual Basic

WordPerfect Graphics Driver


GOCA graphics

Arts & Letters graphics

GEM graphics

VideoScope (filename extension).

Graphics Interchange Format


CCITT compressed Group 3 TIFF file (filename extension).

Group 4 - CALS, ITU (filename extension). CCITT compressed Group 4 TIFF file.

Microsoft Graph (filename extension).



Show Partner graphics

Show Partner graphics

GNU gzip compressed file - Unix

Header (filename extension -- C).

Hierarchical Data File

HighEdit document (filename extension).

Microsoft Hellbender game file (filename extension).

HP Graphics Language (filename extension).


Help Project - Visual Basic (filename extension).

HP Graphics

BinHex (filename extension -- Macintosh).


HyperTerminal (filename extension).

DOS filename extension for a document with HTML coding, which can be read by WWW browsers.

Filename extension for a document with HTML coding, which can be read by WWW browsers.

Hangul Word Processor (filename extension).

Hyphenation - WordPerfect


IOCA graphics

Targa bitmap (filename extension).

Image Colour Matching (filename extension).

Icon - Windows or OS/2

Sun icon and cursor

Instrument Definition - MIDI (filename extension).

Integrated Development Environment configuration (filename extension)



Inset Systems graphics - Hijaak

Interchange File - QuickBooks for Windows (filename extension).

Icon Library

Winimage compressed format These files can be decoded or mounted by ShrinkWrap.

Mac disk image (filename extension); a compressed format which can be decoded or mounted by DiskCopy, Disk Image Mounter, Disk Charmer, and ShrinkWrap (ImageMaster).

Image. This file is a Macintosh Disk Image. Disk Copy can be used to mount the disk image on the Macintosh desktop. The mounted disk image will behave like a read-only disk.



Initialization - configuration settings

Imagine file (filename extension).

Netscape file (filename extension).

MOD music file format (filename extension).

Idlewild screensaver (filename extension).

Index File - Framemaker (filename extension).

JPEG File Interchange Format; a 24-bit graphic format. It can be opened with QuickTime, a WWW browser, or a graphics viewer such as JPEGView.

JPEG Image Format (filename extension).

JPEG bitmap (filename extension).

file extension for JPEG (Joint Photographic Experts Group). A file stored in JPEG format. JPEG,an ISO/ITU standard for storing images with high compression capability, uses a discreet cosine transform that can achieve compression rates of 100:1 (significant loss of data from original) and 20:1 (minimal loss). C-Cube Microsystems introduced the first JPEG chip.

JT Fax

JPEG bitmap (filename extension).

Kodak Photo-Enhancer (filename extension).


Label - dBASE

Deluxe Paint graphics file

Lock file - Microsoft Access (filename extension).

Legacy document (filename extension).

Filename extension for a PC/Amiga compression format decodable by LHA Expander or MacLHA.

Literate Haskell source file

LHA compression file


License file - shareware (filename extension).


List (filename extension).

Lotus Word Pro document (filename extension).

LHARC compression

PC/Amiga compression format

Motion 3D - Corel (filename extension).


Microsoft Access Form (filename extension).


Microsoft Access Macro (filename extension).

Map - linkage editor

Microsoft Access Query (filename extension).

Microsoft Access Report (filename extension).

Microsoft Access Table (filename extension).

MathCAD format

Microsoft Word for Macintosh (filename extension).

Access database


Metafile - OS/2


MIDI File Format (filename extension).

Micrografx Draw Font (filename extension).

Miscellaneous (filename extension).

Microsoft Image Composer (filename extension).


An ImageMagick file format

Group 4

MIME (filename extension); the encoding format used by the Multipurpose Internet Mail Extension.

Mime encoded file (filename extension); the encoding format used by the Multipurpose Internet Mail Extension.

Microsoft Mail File (filename extension).

Macromind animation

(For module). A music file format that contains digitized sound samples A .MOD file takes more memory than a MIDI file because a MIDI file contains instructions for making sounds but not the actual sound samples. There are .MOD players for Amiga, PC, and Macintosh computers.

QuickTime movie. This file can be viewed with QuickTime Player.

Movie - QuickTime

QuickTime movie. This file can be viewed with QuickTime Player.

Mozilla - Netscape cache file (filename extension).

MPEG Layer II compressed audio. This file can be played using QuickTime Player and some other sound players.

MPEG Layer III compressed audio. This file can be played with QuickTime Player, Real Player, and some other sound players.

MPEG (filename extension).

MPEG movie or animation file. This file can be played with QuickTime Player.

MPEG encoded file. This file is an MPEG movie, and can be played with QuickTime Player.

Macintosh MacPaint

Microsoft Project project file (filename extension).

Microsoft Project template file (filename extension).

Microsoft Project export file (filename extension).

Markup - Informative Graphics

Message file

Microsoft Network document (filename extension).

Microsoft Paint

Music (filename extension).

Microsoft Multimedia Viewer (filename extension).

Myst saved game file (filename extension).

Index - dBASE

Network file (filename extension).

Norton Guides

NLM program - NetWare

Notes Template File - Lotus Notes database (filename extension).

Outlook Address Book - Microsoft (filename extension).


Microsoft Office Binder (filename extension).

Object module

Object Linking and Embedding (OLE) Custom Control (filename extension).

OLE Object Library (filename extension).

OLE object (filename extension).

Onyx Graphics Postershop (filename extension).


Overlay module

Overlay module

Sharp Organizer memo bank

Sharp Organizer telephone bank

Tektronix Plot10

Personal Address Book - Microsoft (filename extension).

Quake game data (filename extension).

Paintbrush palette (filename extension).

Pascal program file

Pattern - Corel Draw (filename extension).

Microsoft Phonebook (filename extension).

Portable Bit Map

Photo CD format

HP LaserJet

LaserJet cartridge information

PICS animation (filename extension).

PC Paint

PC Write

1. PC Paintbrush 2. Graphics file - Zsoft format

PrintShop Deluxe (filename extension).

PC Paintbrush printer driver

Type 1 font - ASCII

Type 1 font - encrypted

Postscript Font Metrics; Windows Type 1 font metrics

HPGL 7475A plotter - vector graphics

Portable Gray Map bitmap (filename extension).

HTML document with preprocessing instructions (PPIs) (filename extension).

PICT graphics format, or PIXAR picture file

Macintosh QuickDraw/PICT This kind of file stores images in QuickDraw vector format. PICT2 can have grayscale bitmapped images also.

Program Information File - Windows

PackIt - Macintosh compression

Inset Systems graphics

Project file - Visual FoxPro (filename extension).

AppleLink package compression format These files are decodable by StuffIt Expander.

Perl script (filename extension).

Plotter drawing (filename extension).


PageMaker 3 document

PageMaker 4 document

PageMaker 5 document

1. Portable Network Graphics bitmap (filename extension). 2. Paint Shop Pro Browser (filename extension).

Persistence Of Vision raytracer (filename extension).

PowerPoint Add-in - Microsoft (filename extension).

PostScript Printer Description

Portable PixelMap (filename extension).

PowerPoint Slideshow (filename extension).

PowerPoint presentation (filename extension).

Printer driver - Microsoft Word, Word Perfect, Microsoft Works (filename extension).

A dBASE source code file

Project file

1. Print file - temporary 2. XyWrite printer driver 3. PostScript file

WordPerfect printer driver

Formatted text

PostScript. This is a plain text file.

Photoshop Document

Publication - Ventura Publisher, Microsoft Publisher (filename extension).

Pocket Word document - Microsoft (filename extension).

Microsoft PowerPoint Wizard (filename extension).

Microsoft Pocket Excel (filename extension).

QuickBooks for Windows (filename extension).

Quarterdeck Qemm (filename extension).

Quick Library (filename extension).

ATM font information

Microsoft Query (filename extension).

QuickTime movie, binary file type (filename extension).

QuickTime Movie (filename extension).

LaserJet landscape font

LaserJet portrait font


Real Audio

Raster graphics - Sun

Raw file format - bitmap (filename extension).

A filename extension found in many UNIX files (.newsrc, etc.) which means "run commands".

Windows Recorder macro file (filename extension).

Registration file (filename extension).

Report file (filename extension).

RFT-DCA (filename extension).

An SGI RGB image file

Alpharel Group IV raster graphics

Renderman graphics

Roch FaxNet

Fractal Painter bitmap (filename extension).

Resource Interchange File Format A multimedia file format; the Microsoft equivalent to Amiga IFF format.

RIX virtual screen

Wavefront raster image

CAD Overlay ESP - Image Systems

Run Length Encoded

Real Media.


AutoShade format

GTX Runlength raster graphics

Report file (filename extension).

Microsoft text and graphics

Assembly language file - Unix

MOD music file (filename extension).


Saved game (filename extension).

IBM Storyboard graphics / Superbase text

Source Code - Paradox

ScreenCam movie

Dial-up networking script (filename extension).

1. Screensaver - Windows. 2. Screen Layout - dBASE. 3. Script for Apple's Disk Copy utility.

Screen Capture Text - Lotus

SmartDraw Library (filename extension).

Self-Extracting Archive (Stuffit or Compact Pro)

Segment (of a compressed file saved in segments with Stuffit or Compact Pro)

TIFF bitmap (filename extension).

Setup parameters

LaserJet landscape font

LaserJet portrait font

PCL 5 scalable font

UNIX shell archive (filename extension), which can be decoded by Unshar.

HTML file with embedded server-side includes (SSIs) (filename extension).

SoftImage image file

Signature A .sig file can be set up and automatically attached to outgoing email, newsgroup postings, etc. It includes the name and contact information of the sender, and may also have ASCII art, favorite quotes, etc.

Stuffit compressed file

AutoCAD slide

Symbolic Link (SYLK) spreadsheet (filename extension).

Self-Mounting Image. This file is a Macintosh Disk Image, similar to an .img file, but it does not require the use of Disk Copy. When the file is downloaded, a disk image appears on the desktop. The disk image will behave like a read-only disk.

Sound file

Netscape mail (filename extension).

Speedo scalable font

Screen Peace Extension

SyQuest Backup (filename extension).

A file used in the creation of .INI files for configuration settings (filename extension).

Style sheet - Ventura

Amiga 8SVX sound (filename extension).

Swap - temporary file (filename extension).

Sysedit backup file (filename extension).

SYLK spreadsheet format

SDSC Synu image

System file

Adobe Type Align

Tar - Tape ARchive (filename extension). Tar is a UNIX method of archiving files, which can also be used by PCs. Tar archives files but does not compress them, so sometimes .tar files are compressed with other utilities, which produces extensions like .tar.gz, .tar.Z, and .tgz. Archive files with the .tar extension can be extracted in UNIX with tar or on a PC with WinZip or on the Mac with the program Tar.

Combined filename extension for a file that has been archived using tar and then gzipped.

.tar.z or .tar.Z
Combined filename extension for a file that has been archived using tar and then zipped.

Another way of writing .tar.Z

Asymetrix Toolbook (filename extension).

Typeface definition - Speedo

Tex or LaTex document

Font metrics - Intellifont

TARGA graphics

Another name for .tar.z and .tar.gz

Desktop theme - Windows 95 (filename extension).

Thumbnail (filename extension).

TIFF graphics file

TIFF graphics file (filename extension).

OLE Type Library (filename extension).

Temporary file

Table Of Contents (filename extension).

Terminal settings - Windows (filename extension).

TrueType compressed font

TrueType font

TabWorks File (file extension).

MS-DOS text (filename extension).

ASCII text file

LaserJet landscape font

LaserJet portrait font

Uuencode compressed file

Uuencode file

Visual Basic Project (filename extension).

Visual Basic Extension

Targa bitmap (filename extension).


Khoros Visualization image file

Ventura Library (filename extension).

Sound Blaster

Ventura Publisher (filename extension).

Targa bitmap (filename extension).

Relational View - dBASE

Virtual Device Driver (filename extension).

Windows Address Book (filename extension).

Sound file

Microsoft Word Backup (filename extension).

Microsoft Works Database (filename extension).

Ventura width table (filename extension).

Windows backup file (filename extension).

Microsoft Word Wizard (filename extension).

Lotus 1-2-3, up to 2.01

Lotus version 3

Lotus version 4

Quattro spreadsheet

1. Lotus Worksheet (filename extension). 2. Microsoft Works document (filename extension).

VRML page

Windows Metafile


1. Windows Printer Description (filename extension). 2. WordPerfect Demo (filename extension). 3. WordPerfect Document (filename extension).

WordPerfect Graphics

WordPerfect macro

Microsoft Works document

WordPerfect Template (filename extension).

Windows Write document

Symphony spreadsheet

WordStar for Windows 1 document (filename extension).

WordStar for Windows 2 document (filename extension).

WordStar for Windows 3 document (filename extension).

WordStar for Windows 4 document (filename extension).

WordStar for Windows 5 document (filename extension).

WordStar for Windows 6 document (filename extension).

WordStar for Windows 7 document (filename extension).

Wavelet compressed bitmap (filename extension).

AVS X image file

Corel Xara drawing (filename extension).

X Bitmap


Xerox Image Format (filename extension).

Excel chart

Microsoft Excel backup (filename extension).

Microsoft Excel macro (filename extension).

Excel worksheet

Microsoft Excel template (filename extension).

MOD music format (filename extension).

X Pixelmap

X Window System window dump image

Xxencoded file (filename extension).

Arts & Letters click art (filename extension).

Unix compress file

File compressed using PKZIP


A special kind of file used by Claris Works. Assistants guide the user through a task by asking a series of questions and then use the answers to perform a task. Assistants in Claris Works can be used to create such useful items as calendars, newsletters, stationery, labels, and address lists, to make footnotes within a file, to find documents, etc.

bad fix
A failed attempt to repair a computer bug; a fix that doesn't work or that introduces new and unexpected problems. The expression has cropped up a lot in relation to Y2K fixes.

The CDF file suffix is associated with the Nominal Small Business Accounting Software. File contains company data.
Submitted by: uri

Digital Anchor Data File

A DOS compression program. Compressed files have the extension .lhz.

Message Base - Eudora (filename extension).

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1 Comment on File Types

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