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File Extension AA

Audible Audio file definition and 5 other file types and linked programs information.

 

File extension aa is used by following file type(s):

file type 1 description:
Audible Audio file
The AA file extension is used for a proprietary audio book format used by Audible, an Internet provider of spoken audio entertainment, information, and educational programming. The company sells digital audiobooks, radio and TV programs, and audio versions of magazines and newspapers. It is owned by Amazon.

This format comes in several versions with latest being 3 and 4. It is often DRM protected.

Many current devices support AA file format, with notable being Apple's iPods, Microsoft Zune, Creative Zen, Amazon Kinde and other.

MIME: audio/audible, audio/x-pn-audibleaudio

Programs
that open aa files:
Amazon Kindle (other devices) (Windows Phone/Metro)
Amazon Kindle for Android (Google Android)
Amazon Kindle for BlackBerry (Blackberry)
Amazon Kindle for iPhone (iOS)
Amazon Kindle for Mac (Apple OS X)
Amazon Kindle for PC (Microsoft Windows)
Amazon Kindle for Windows Phone 7
Apple iTunes for Mac (Apple OS X)
Apple iTunes for Windows (Microsoft Windows)
Audible Manager (multiplatform software)
AudibleAir (Microsoft Windows)
AudiblePlayer (multiplatform software)
DRM Convertor (Microsoft Windows)
Nero ShowTime (Microsoft Windows)

 

 file type 2 description:
Generic multi-volume CD image file
The AA file extension is very rarely used for Generic ISO multi volume image files. ISO buster can open them.

However vast majority of .aa found are Audible audio books.

Programs
that open aa files:
ISOBuster (Microsoft Windows)

 

file type 3 description:
PAML data file
The AA file extension is associated with the PAML (Phylogenetic Analysis by Maximum Likelihood) and used for some its data files.

PAML is a package of programs for phylogenetic analyses of DNA or protein sequences using maximum likelihood. It is maintained and distributed for academic use free of charge by Ziheng Yang.

However vast majority of .aa found are Audible audio books.

Programs
that open aa files:
PAML (multiplatform software)

 

file type 4 description:
Prognosis Automated Analyst document file
The AA file extension was also used by Prognosis Automated Analyst for its default document format. Most likely obsolete file format.

However vast majority of .aa found are Audible audio books.

Programs
that open aa files:
PROGNOSIS (Microsoft Windows)

 

file type 5 description:
Unix File
this file fix a loop or other syntax error
Programs
that open aa files:
Unix (Linux)