Audible audio
File type: Audio and sound file
Files with aa file extension are in most cases audio books and other audio programs for the Audible platform by Amazon.
Found 5 different file type records with the same aa filename suffix.
File type category:
Audio and sound file
Date updated: July 20, 2021
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:
Audible audio files are often protected by DRM (Digital Rights Management).
Many current devices support AA format, with notable being Apple's iPods, Microsoft Zune, Creative Zen, Amazon Kindle and other.
MIME types:
audio/audible
audio/x-pn-audibleaudio
You can open audible books (*.aa files) in many supported devices and programs, such as Apple iPod, Microsoft Zune or Amazon Kindle.
Generally speaking, *.aa files can probably be converted to MP3s with some specialized converters. However doing so is most likely against the license user agreement.
Audible (Microsoft Windows)
Audible Manager (Microsoft Windows)
AudibleAir (Microsoft Windows)
Apple iTunes for Windows (Microsoft Windows)
Audible for Mac (Apple macOS / Mac OS X)
Apple iTunes for Mac (Apple macOS / Mac OS X)
Audible for iPhone (Apple iOS)
Amazon Kindle (Amazon Kindle)
File type category:
Disk image (ISO) binary file
Date updated: February 22, 2019
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.
Use ISO Buster to open *.aa files (generic CD images)
Use ISO Buster to convert *.aa files (generic CD images).
ISOBuster (Microsoft Windows)
ISOBuster (Microsoft Windows)
ISOBuster (Microsoft Windows)
File type category:
Various data file
Date updated: August 22, 2019
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.
Probably not meant to be accessed by the user.
Probably cannot be converted to anything else.
PAML (Microsoft Windows)
File type category:
Document file
Date updated: December 29, 2014
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.
These specialized documents can be opened in some Prognosis software.
PROGNOSIS (Microsoft Windows)
PROGNOSIS (Microsoft Windows)
PROGNOSIS (Microsoft Windows)
PROGNOSIS (Microsoft Windows)
File type category:
System file
Date updated: May 27, 2019
The aa file extension was also reported to have been found on Unix-based operating systems, available for various computer platforms. These files supposedly contain loop fix or other syntax error data.
Probably not meant to be accessed by the user.
Probably cannot be converted to anything else.
Unix (Linux/Unix)
Language