.$$$

Temporary file

.2GR

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

.386

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

.3GR

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

.906

Calcomp plotter

.A3W

MacroMedia Authorware Windows 3.5 (filename extension).

.ABK

AutoBackup, Corel Draw (filename extension).

.ABR

Brush - Adobe Photoshop (filename extension).

.ACL

Keyboard accelerator, Corel Draw 6 (filename extension).

.ACM

Windows system directory file (filename extension).

.ACV

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

.AD

After Dark

.ADB

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

.ADD

Adapter Driver - OS/2 (filename extension).

.ADM

AfterDark MultiModule (filename extension).

.ADR

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

.ADS

Specification file type, Ada language (filename extension).

.AFM

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

.AG4

Access G4

.AI

Adobe Illustrator

.AIF

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.

.aiff

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.

.ALL

Arts and Letters Library (filename extension).

.ANI

Animated cursor (filename extension).

.ANS

ANSI text (filename extension).

.API

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

.APP

MacroMedia Authorware package (filename extension).

.ARC

ARC or ARC+ compressed

.arj

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

.ART

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

.ASC

ASCII text file

.ASF

Active Streaming File - HoTMetaL Pro (filename extension).

.ASM

Assembly Source Code

.ASP

Active Server Page - Microsoft (filename extension).

.AST

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.

.ATT

AT&T

.AU

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

.AVI

AVI movie format

.AVS

Intel video capture format (filename extension).

.b64

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

.BAK

Backup copy in DOS or OS/2

.BAS

BASIC program file

.BAT

Batch

.BFC

Briefcase document - Windows 95 (filename extension).

.BG

Backgammon game (filename extension).

.BI

Binary file (filename extension).

.BIN

Driver

.bin

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

.BK

Backup copy

.BK$

Backup file (filename extension).

.BLT

Wordperfect for DOS (filename extension).

.BMP

Bitmap

.BNK

Sim City game file (filename extension).

.BRX

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

.BTM

Batch file - Norton Utilities (filename extension).

.C

C program file

.CAB

Microsoft compressed format

.CAL

Calendar or CALS

.CAP

Caption

.CBT

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

.CCH

Corel chart (filename extension).

.CCM

Lotus cc:Mail (filename extension).

.CDA

CD Audio track (filename extension).

.CDR

CorelDraw

.CDT

Corel Draw template (filename extension).

.CDX

Corel Draw compressed file (file extension).

.CDX

Visual FoxPro database index (filename extension).

.CFB

Compton’s multimedia encyclopedia (filename extension).

.CFG

Configuration

.CFL

Corel Flow (filename extension).

.CGI

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

CGM graphics

.CHK

Checkdisk - DOS

.CHP

Chapter - Ventura

.CIF

Chapter Information - Venture

.CIM

Sim City file (filename extension).

.CIT

Intergraph scanned image

.CLP

Clipboard

.CMD

Command file -- OS/2

.CMF

Corel MetaFile (filename extension).

.CMF

SoundBlaster file (filename extension).

.CMP

LEAD Technologies graphics

.CMV

Corel Move animation (filename extension).

.CNF

Configuration file (filename extension).

.CNQ

Compuworks Design Shop (filename extension).

.COB

COBOL source code

.COM

Command file - small version of .EXE

.CPE

Fax Cover document (filename extension).

.CPI

Code Page - DOS

.CPL

Control Panel - Windows

.CPP

C++ program file

.CPR

Knowledge Access graphics

.CPT