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Details of extension .aa3

0 extension(s) and 1 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .aa3 file?
  • Which program can create the .aa3 file?
  • Where can you find a description of the .aa3 format?
  • What can convert .aa3 files to a different format?
  • Which MIME-type is associated with the .aa3 extension?
Sony ATRAC3 Compressed Audio .atrac file icon

Sony ATRAC3 Compressed Audio

The ATRAC file is a Sony ATRAC3 Compressed Audio. Adaptive Transform Acoustic Coding (ATRAC) is a family of proprietary audio compression algorithms developed by Sony.
Category: Audio files
Application: Windows Media Player
Program name: mplayer.exe
Mime-type: audio/x-oma
Magic bytes (HEX): -
Magic string (ASCII): -
aa3, at3, atp, atrac3, oma, omg
Related extensions:
.tak TAK Compressed Audio
.aifc Compressed AIFF Audio
.mkw MKW Compressed Audio
.elb WWII Fighters Audio Data
.dss Digital Speech Standard Voice

Other types of files may also use the .aa3 file extension. If you have helpful information about .aa3 extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

.aae Apple iOS8 Sidecar File
.aa IR Prognosis Analyst Document
.aaw Lavasoft Ad-Aware 2007 Configuration
.a3 Audiotools Show Log
.az3 Amazon Kindle Format 8 Ebook
.ax3 Apex Sketch v3 Document

The .aa3 filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

aaw (1), aae (1), a3 (1), ax3 (1), aar (1), aa (1)

Can't open a .aa3 file?

If you want to open a .aa3 file on your computer, you just need to have the appropriate program installed. If the .aa3 association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.aa3

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2016/2019/2022, Windows 7, Windows 8, Windows 10, Windows 11, Linux, Mac OS X, macOS, iOS, Android