A
ABK- AMOS Basic data file
ABK -Corel Draw AutoBackup
ACL -Corel Draw 6 keyboard accelerator
ACM -Used by Windows in the system directory
ACP -Microsoft Office Assistant Preview file
ACT -Microsoft Office Assistant Actor file
ACV -OS/2 drivers that compress and decompress audio data
AD -After Dark screensaver
ADB- Appointment database used by HP 100LX organizer
ADD -OS/2 adapter drivers used in the boot process
ADM -After Dark MultiModule screensaver
ADP -Used by FaxWorks to do setup for fax modem interaction
ADR -After Dark Randomizer screensaver
AFM -Adobe font metrics
AF2 -ABC Flowchart file
AF3 -ABC Flowchart file
AI -Adobe Illustrator drawing
AIF -Apple Mac AIFF sound
AIFC- Similar to AIF
AIFF -Similar to AIF
AIS -ACDSee Image Sequence file
ALB JASC- Image Commander album
ALL -Arts & Letters Library
AMOS- AMOS Basic code
AMS -Velvert Studio music module (MOD) file
ANC -Canon Computer Pattern Maker file that is a selectable list of pattern colors
ANI -Animated Cursor
ANS -ANSI text
API -Application Program Interface file; used by Adobe Acrobat
APR -Lotus Approach 97 file
APS -Microsoft Visual C++ file
ARC -LH ARC (old version) compressed archive
ARI -Aristotle audio file
ARJ -Robert Jung ARJ compressed archive
ART -Xara Studio drawing
ART -Canon Crayola art file
ASA -Microsoft Visual InterDev file
ASC -ASCII text
ASD -WinWord AutoSave
ASF -Microsoft Advanced Streaming Format file
ASM -Assembler language source file
ASP -Active Server Page (an HTML file containing a Microsoft server-processed script)
ASP -Procomm Plus setup and connection script
AST -Claris Works "assistant" file
ASX -Cheyenne Backup script
ASX -Microsoft Advanced Streaming Redirector file
ATT -AT&T Group 4 bitmap
AU -UNIX sound file
AVI -Microsoft Video for Windows movie
AWD -FaxView document
