AA3 File - opening and understanding

Did your computer fail to open an AA3 file? We explain what they are used for and recommend software that we know can open or otherwise handle your .AA3 files.

What is an AA3 file?

An .AA3 file is an ATRAC3 encoded audio file. Through our analysis of AA3 files, we know that one use of the format is ATRAC3 encoded audio. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

How to open AA3 files

You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension AA3 for different purposes.

While we have not verified the apps ourselves yet, our users have suggested 5 different AA3 openers which you will find listed below.

Suggest another file format using extension AA3

While we know of one file format using the .AA3 file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .AA3 file.

Various viewers for this file format

These apps are known to open certain types of AA3 files. Remember, different programs may use AA3 files for different purposes, so you may need to try out a few of them to be able to open your specific file.

SonicStageSonicStageUser submitted
SonicStage for LISMOSonicStage for LISMOUser submitted
Splash PRO EXSplash PRO EXUser submitted
We have not verified any software that we know for certain will work with AA3-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with AA3-files. If you know one, please use the 'Suggest a program' link below and tell us about it!