Computer 'A' file extensions

Below is a listing of each of the different file extensions that begin with the letter 'A'. If you're looking for a file extension that begins with something else click on one of the below links.

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File extensions home page

	A
.A	ADA program file or Unix library
.A3W	MacroMedia Authorware 3.5 file
.ABK	Autobackup file used with Corel Draw 6 and above.
.ABR	Brush file for Adobe Photoshop
.ACE	WinAce compressed file.
.ACR	ACR file format for medical images.
.ACT	Adobe Photoshop Color table file.
.AD	After Dark file or a Microsoft "Access Point" file.
.ADF	Adapter description files.
.ADM	After Dark screen saver module.
.ADP	Microsoft Access Project
.ADR	After Dark randomizer or Opera browser bookmark backup.
.AI	Adobe Illustrator file.
.AIF	Auto Interchange File Format (AIFF) Audio file.
.ANI	Windows animated mouse cursor file.
.ANS	ANSI text file.
.ARC	Short for archive, .ARC is a compressed file extracted and used with various compression utilities.
.ARJ	Compressed file extracted used with various compression utilities.
.AS	Short for AppleSingle, .AS is a compressed file extracted and used with various compression utilities.
.ASC	ASCII Text file
.ASF	Sort for Advanced Streaming Format, file developed by Microsoft. The .ASF file is generally a movie player and can be open with software such as Windows Media Player.
.ASP	Microsoft FrontPage Active Server Pages. To open these files use your Internet browser.
.ATO	Compaq Just Burn File.
.ATY	3D Topicscape association type after export to Windows.
.AU	Sun and NeXT audio file.
.AVI	Microsoft Windows Movie file.
.AXX	AxCrypt encrypted file.

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