alphabetical list of extensions

File extension .AA3

File description

ATRAC stands for Adaptive Transform Acoustic Coding Audio File. This file belongs to the family of audio compression process. This kind of file format is being developed by Sony Minidisc. This is one of the best and first commercial audio products launched in market. This file formats allows only ATRAC devices to be operated as ATRAC devices only accept small size disc. This would also have same time of running as similar to the CDs.

These procedures were developed with the close contact and close cooperate with the engineers of LSI developments that are also working in Sony Company.

Description of the problem
If you have on your computer a .AA3 file that you cannot open, you are in exactly the same situation as thousands of other people who have similar problems with this or any other unknown file.

There may be several reasons why you cannot open the file with .AA3 extension. Directly on this website you can find a solution of the most common problem with the .AA3 file – that you do not have on your computer the appropriate program to open the file.
From the list below, select the appropriate program, install it and double click on the icon of a file that did not want to open - the problem with the .AA3 file extension should be solved. However, if this does not happen, go back to the website to learn about other possible causes of the error, which have been described at the bottom of the website.
Audio Files
File name: Sony ATRAC audio file
Programs that will open this file:
ACID Music Studio ACID Music Studio
SonicStage SonicStage
Sony Vegas Sony Vegas
Sound Forge Sound Forge
The .AA3 file extension can correspond to several not related file formats. If there is more than one file format with the .AA3 extension, you will probably find most of them at this website. Remember that you need to download a program to support a particular file type. So first look through the entire contents of the website to select a program to support just the file you have.

Other possible reasons why your .AA3 file does not want to open

In addition to the problem described above, i.e. the lack of the appropriate application to support the .AA3 file, there may be several reasons that cause problems with opening and operation of the data format:

1. Incorrect version of the installed application

A quite common problem is the lack of application in the appropriate version. Even if you have an application, with the help of which you should open the .AA3 file, you may have a problem with it because of its version. Perhaps in previous versions the application has not yet supported the .AA3 file, so download the update and check again.

2. Incorrect .AA3 file association with the program

If you have already installed the appropriate application, and it is the correct version, the file may not open correctly, because the operating system does not have information that this program supports the file. So you need to "show" which program the computer should use. To do this:

  • Right-click the .AA3 file
  • Go to the "Open with" - then "Choose default program ..."
  • Locate the appropriate application
  • Click "OK"

3. The file is corrupt

It also happens that the file you want to open is corrupt and therefore there is no such possibility. In this situation, you should find its different version, or ask a person from whom you got, to send it again.