List of Extensions starting with the letter A – Name and description

List of All the File Extensions Formats and Types Starting With the Letter A

 

File Extension Type Description
A ADA programming language source code
A00 Split Multi-volume ARJ compressed archive (part 2)
A01 Split Multi-volume ARJ compressed archive (part 3)
A02 Split Multi-volume ARJ compressed archive (part 4)
A03 Split Multi-volume ARJ compressed archive (part 5)
A04 Split Multi-volume ARJ compressed archive (part 6)
A05 Split Multi-volume ARJ compressed archive (part 7)
AAC Advanced Audio Coding
AAE Sidecar Image Edit
AAX Audible enhanced audio
ABC ABC Programming language
ABK Ability Write backup
ABM Album
ABR Adobe Photoshop Brush
ABS AB SuDoKu save game
ACD alan game
ACH eSignal
ACL ArchiCrypt Live secured
ACP Action! document
ACSM Adobe Content Server Message
ACT Action! presentation file
ACTION Mac OS X Automator action
ACV Adobe photoshop colour curves
ACX Atari ST Program
ADC ActiveDocs Clipping Catalog
ADF A.R.S.E.N.A.L game
ADT ACT! document template
AEP Activ E-Book project
AES Adobe After Effects Stabilizer settings

AES Crypt encrypted

Google AdWords Editor sharing

AFA Astrotite compressed data
AFC Apple sound format
AFF Acorn vector draw
AFM Abassis data
AFP Advanced Function Presentation data
AFR FreeBSD
AI Adobe Illustrator graphics
AID ACDSee Classic thumbnail
AMR Adaptive Multi-Rate compressed audio
APK Android Package
ASPX Active Server Page Extended ASP.NET script
AZ WinDVD related
AZF Secure format
AZW Amazon Kindle eBook
AZW1 Amazon Kindle