AA

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.
What is aa file?
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:
- Format 2 (Quality of AM radio sound - mono)
- Format 3 (Quality of FM radio sound - mono)
- Format 4 (Quality of MP3 sound - mono)
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
How to open aa file?
You can open audible books (*.aa files) in many supported devices and programs, such as Apple iPod, Microsoft Zune or Amazon Kindle.
How to convert aa file?
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.
Suggested software to open aa file:
Associated software actions with the aa file
Apps designed for playing aa files:
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)
Generic multi-volume CD image
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.
How to open aa file?
Use ISO Buster to open *.aa files (generic CD images)
How to convert aa file?
Use ISO Buster to convert *.aa files (generic CD images).
Suggested software to open aa file:
Associated software actions with the aa file
Software applications that can open aa files:
ISOBuster (Microsoft Windows)
Software apps that create aa files:
ISOBuster (Microsoft Windows)
Software apps that extract aa files:
ISOBuster (Microsoft Windows)
PAML data
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.
How to open aa file?
Probably not meant to be accessed by the user.
How to convert aa file?
Probably cannot be converted to anything else.
Suggested software to open aa file:
Associated software actions with the aa file
Software applications that handle other tasks involving aa files:
PAML (Microsoft Windows)
Prognosis Automated Analyst document file
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.
How to open aa file?
These specialized documents can be opened in some Prognosis software.
Suggested software to open aa file:
Associated software actions with the aa file
Software applications that can open aa files:
PROGNOSIS (Microsoft Windows)
Software applications that can edit aa files:
PROGNOSIS (Microsoft Windows)
Software capable of saving aa files:
PROGNOSIS (Microsoft Windows)
Software apps that create aa files:
PROGNOSIS (Microsoft Windows)
Unix data
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.
How to open aa file?
Probably not meant to be accessed by the user.
How to convert aa file?
Probably cannot be converted to anything else.
Suggested software to open aa file:
Associated software actions with the aa file
Software applications that handle other tasks involving aa files:
Unix (Linux/Unix)