| A |
Object code
library |
| A |
Library file
(Unix) |
| AA |
Audible audio
file (commonly used for downloadable audio books) |
| AAM |
Authorware
shocked file |
| AAS |
Authorware
shocked packet |
| AB |
Applix
Builder file |
| ABF |
Adobe Binary
Screen Font |
| ABK |
Backup file (PrintMaster
Gold) |
| ABK |
Corel Draw
AutoBackup |
| ABM |
Audio album
file (HitPlayer) |
| ABO |
Applix
Builder Turbo file |
| ABS |
MPEG Audio
Sound file |
| ABS |
Standard GNU
compiler output file for a PC platform |
| ABS |
Sometimes
used to denote an abstract (as in an abstract or summary of a
scientific paper) AutoBackup |
| ACA |
Project
Manager Workbench file |
| ACA |
HTTP
animation file (Microsoft Agent) |
| ACB |
ACBM Graphic
image |
| ACC |
DR-DOS
Viewmax file |
| ACD |
Character
definiton file (Microsoft Agent) |
| ACE |
ACE Archiver
Compression file |
| ACF |
HTTP
character file (Microsoft Agent) |
| ACI |
ACI
development appraisal (ACIWEB) |
| ACL |
Corel Draw 6
keyboard accelerator file |
| ACM |
Windows
system directory file |
| ACM |
Interplay
compressed sound file (Fallout 1,2, Baulder's Gate) |
| ACM |
Dynamic Link
Library (DLL) |
| ACP |
Microsoft
Office Assistant Preview file |
| ACR |
American
College of Radiology file |
| ACS |
Character
structered storage file (Microsoft Agent) |
| ACT |
Microsoft
Office Assistant Actor file |
| ACT |
FoxPro Foxdoc
Action Diagram |
| ACT |
Action
Presentation |
| ACT |
Documenting
wizard action diagram (Microsoft Visual FoxPro) |
| ACV |
Used to
Compress and decompress audio data |
| AD |
After Dark
screensaver |
| ADB |
Ada source
text body file (GNAT) |
| ADB |
HP 100LX
Organizer Appointment database |
| ADC |
Scanstudio 16
color Bitmap Graphic file |
| ADD |
OS/2 adapter
driver file used in the boot process |
| ADF |
Amiga
disk file |
| ADI |
AutoCAD
device-independent binary plotter file |
| ADL |
QEMM Mca
adaptor description library |
| ADM |
After Dark
MultiModule screensaver (Microsoft) |
| ADM |
Windows NT
policy template |
| ADN |
Lotus 1-2-3
Add-In file |
| ADP |
Dynamic Page
file (AOLserver) |
| ADP |
FaxWorks
Faxmodem setup file |
| ADP |
Astound
Dynamite file |
| ADR |
After Dark
Randomizer screensaver |
| ADR |
Smart Address
address book |
| ADS |
Ada source
text specification file (GNAT) |
| ADT |
HP NewWave
datafile for card applications |
| ADT |
AdTech Fax
file |
| ADX |
Dynazip
Active Delivery script |
| ADX |
Lotus
Approach dBase Index |
| ADX |
Archetype
Designer Document |
| ADZ |
Packed ADF
file (Extracts with WinZip) |
| AE |
Author/Editor
file (SoftQuad) |
| AEP |
ArcExplorer
project file |
| AF2 |
ABC
FlowCharter 2.0 Flowchart |
| AF3 |
ABC Flowchart |
| AFC |
Apple Sound
file |
| AFI |
Truevision
Bitmap graphic |
| AFM |
Adobe metrics |
| AFM |
HP NewWave
Cardfile application |
| AG |
Applix
graphic |
| AI |
Adobe
Illustrator drawing |
| AI |
Corel Trace
drawing |
|
AIF |
Audio Interchange File, a
sound format used by Silicon Graphics and Macintosh applications |
| AIFC |
Similar to
AIF (compressed) |
|
AIFF |
Similar to AIF |
| AIM |
AOL Instant
Messenger Launch file |
| AIN |
AIN
Compressed archive |
| AIO |
APL transfer
file |
| AIS |
ACDSee Image
Sequence |
| AIS |
Velvet Studio
Instruments file |
| AIS |
Xerox Arry of
Intensity Samples Graphic |
| AIX |
HP NewWave
Cardfile Application data |
| AKW |
Contains all
A-keywords in the RoboHELP Help Project Index Designer not associated
with topics |
| ALAW |
European
Telephony audio |
| ALIAS |
Alias Image |
| ALB |
JASC Image
Commander album |
| ALI |
Document file
(SAP proprietary format) |
| ALL |
Arts &
Letters Library |
| ALL |
WordPerfect
for Windows General printer information file |
| ALS |
Alias Image |
| ALT |
WordPerfect
Library Menu |
| AM |
Applix SHELF
Macro |
| AMF |
Music file
(Advanced Module Format) |
| AMF |
DSMIA/Asylum
module music (Crusader,No Remorse,Aladdin) |
| AMG |
AMGC
Compressed archive |
| AMG |
ACTOR System
image |
| AMI |
Annotation
file (Cocreate SolidDesigner) |
| AMS |
Velvet Studio
music module (MOD) file |
| AMS |
Extreme's
Tracker module |
| AN |
Text file
(Sterling Software) (Groundworks COOL Business Team Model) |
| ANC |
Canon
Computer Pattern Maker file that is a selectable list of pattern
colors |
| ANI |
Microsoft
Windows Animated cursor |
| ANM |
DeluxPaint
Animation |
| ANN |
Windows 3.x
Help annotation |
| ANS |
ANSI Text
file |
| ANT |
SimAnt for
Windows saved game |
| AOS |
Nokia 9000
Add-on software |
| AOT |
Applicatio
binary object template file (ZenWorks snAPPshot) |
| AP |
Applix
Presents file |
| AP |
WHAP
Compressed Amiga archive |
| APC |
Compiled
application file (Centura Team Developer) |
| APC |
Lotus 1-2-3
Printer driver |
| APD |
Dynamic
application library file (Centura Team Developer) |
| APD |
Lotus 1-2-3
Printer driver |
| APF |
Lotus 1-2-3
Printer driver |
| APF |
Project file
(Allaire) (Created by Homesite) |
| API |
Application
Program Interface; used by Adobe Acrobat |
| API |
Lotus 1-2-3
Printer driver |
| APL |
Application
library file (Centura Team Developer) |
| APL |
APL Workspace
file |
| APP |
Normal mode
application file (Centura Team Developer) |
| APP |
Symphony
Add-in Application |
| APP |
Generated
application or active document (Microsoft Visual FoxPro) |
| APP |
dBase
Application Generator Object |
| APP |
DR-DOS
Executable Application |
| APP |
FoxPro
Generated Application |
| APR |
ArcView
project file |
| APR |
Employee
Appraiser Performance Review file |
| APR |
Lotus
Approach 97 View file |
| APS |
Microsoft
Visual C++ file |
| APS |
Advanced
patching systems with error checking, (Similar to IPS) |
| APT |
Lotus
Approach Data view file |
| APT |
Text mode
application file (Centura Team Developer) |
| APX |
Lotus
Approach Paradox-Specific information file |
| APX |
Borland C++
Appexpert database |
| AQ |
Applix data |
| ARC |
LH ARC (old
version) compressed archive |
| ARC |
SQUASH
Compressed archive |
| ARF |
Automatic
Response file |
| ARI |
ARI
Compressed archive |
| ARI |
Aristotle
audio file |
| ARJ |
Robert Jung
ARJ compressed archive (ARJ) |
| ARK |
ARC File
Archiver CPM/Port archive |
| ARL |
AOL v4.0
organizer file |
| ARR |
Atari Cubase
Arrangement |
| ART |
Xara Studio
drawing |
| ART |
Canon Crayola
art |
| ART |
Clip Art |
| ART |
Ray Tracer
file |
| ART |
First
Publisher Raster graphic |
| ART |
AOL Image
file compressed using the Johson-Grace compression algorithm |
| ARX |
ARX
Compressed Archive |
| AS |
Applix
Spreadsheet |
| ASA |
Microsoft
Visual InterDev file |
| ASC |
ASCII text
file |
| ASC |
PGP
armored encrypted file |
| ASD |
WinWord
AutoSave file |
| ASD |
Lotus 1-2-3
Screen driver |
| ASD |
Microsoft
Advanced Streaming Format (ASF) description file; opens with NSREX |
| ASD |
Astound
Presentation |
| ASE |
Velvet Studio
Sample file |
| ASF |
Music file
(Electronic Arts) |
| ASF |
Microsoft
Advanced Streaming Format |
| ASF |
StratGraphics
Datafile |
| ASF |
Lotus 1-2-3
Screen font |
| ASH |
TASM 3.0
Assembly language header |
| ASI |
Borland
C++/Turbo C Assembler Include file |
| ASM |
Assembler
Language source file |
| ASM |
Pro/E
assembly file |
| ASO |
Astound
Dynamite Object |
| ASP |
Active Server
Page (an HTML file containing a Microsoft server-processed script) |
| ASP |
Procomm Plus
setup and connection script |
| ASP |
Astound
Presentation |
| AST |
Astound
multimedia file |
| AST |
Claris Works
"assistant" file |
| ASV |
DataCAD
Autosave file |
| ASX |
Cheyenne
Backup script |
| ASX |
Microsoft
Advanced Streaming Redirector file |
| ASX |
Video file |
| AT2 |
Aldus
Persuasion 2.0 Auto Template |
| ATM |
Adobe Type
Manager data/info file |
| ATT |
AT&T Group 4
bitmap |
| ATW |
AnyTime
Deluxe for Windows personal information manager file from Individual
Software MultiModule screensaver |
| AU |
Sun/NeXT/DEC/UNIX sound file |
| AU |
Audio U-law
(pronounced mu-law) |
| AUD |
Audio file
(Westwood Studios) (Kyrandia 3,C&C,RedAlert,C&C:TS) |
| AUX |
TeX/LaTeX
Auxilliary Reference file |
| AUX |
ChiWriter
Auxilliary Dictionary file |
| AVA |
Avagio
Publication |
| AVB |
Inculan
Anti-Virus virus infected file |
| AVI |
Microsoft
Audio Video Interleaved file for Windows movie |
| AVR |
Audio Visual
Research file |
| AVS |
Application
Visualization System file |
| AVS |
Stardent AVS-X
Image |
| AVX |
File
Extension (ArcView) |
| AW |
HP
AdvanceWrite Text file |
| AW |
Applix Words
file |
| AWD |
FaxView
Document image |
| AWK |
AWK
Script/Program |
| AWM |
Animation
Works Movie |
| AWR |
Telsis file
for digitally stored audio |
| AWS |
StatGraphics
Data file |
| AXL |
ArcIMS XML
project file |
| AXT |
ASCII
application object template (ZenWorks snAPPshot) |
| AXX |
ARJ
compressed file from a multi-volume archive (xx = a number from 01 to
99) |
| A3L |
Authorware
3.x library |
| A4L |
Authorware
4.x library |
| A5L |
Authorware
5.x library |
| A3M |
Authorware
MacIntosh file (unpackaged) |
| A4M |
Authorware
MacIntosh file (unpackaged) |
| A4P |
Authorware
file (packaged without runtime) |
| A3W |
Authorware
Windows file (unpackaged) |
| A4W |
Authorware
Windows file (unpackaged) |
| A5W |
Authorware
Windows file (unpackaged) |
Please
Note: All information provided in The Help Desk web site is in easy to
understand terms, in my opinion only, and may not necessarily be the only
accepted answers or advice. I will not be responsible for any problems
caused from anyone making any configuration or hardware changes to their
computer system resulting from information obtained from this web site. Please contact me prior to using any content from this web site.