Open aa file

Did your computer fail to open aa file? We explain what aa files are and recommend software that we know can open your aa files.

What is aa file?

Files with aa file extension are in most cases audio books and other audio programs for the Audible platform by Amazon.

aa file description

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:

Software that will open aa file


A media player for audible audio file format

Other aa file extensions

aa - Generic multi-volume CD image

an aa file extension is related to Generic multi-volume CD image file format rarely used by some disk images management apps.

aa - PAML data

An aa file extension is related to the PAML (Phylogenetic Analysis by Maximum Likelihood) software. An aa file stores some kind of data used by PAML.

aa - Prognosis Automated Analyst document file

The AA file extension is associated with the Prognosis Automated Analyst document file format.

aa - Unix data

Files with aa file extension might also be found on Unix platform as some sort of system files.

What file extension actually is?

Simply put, file extensions are the characters after the dot in the file name, so for example filename.mp3 has file extension „mp3“. This helps Windows to identify which program should be used to open the file.

We can help you to open your file

Our database contains a huge list of different file extensions, usually with detailed description and programs that can be used to open or otherwise work with that particular file type.

Only original software

Every software listed in our database is verified and ve provide link to the developer or to the software own website, which should hopefuly be enough for you to download the most recent version of the program.