Files with AT3 extension was also sometimes used for Sony ATRAC audio format. No longer actively used. 

There are 2 other file types using
the AT3 file extension!

at3 file icon.at3 - Airport Tycoon 3 saved game

at3 file icon.at3 - Playstation audio file

Detailed description

Software that works with at3 file extension

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AT3 file extension - Sony ATRAC3 audio file

What is at3 file? How to open at3 files?

File type specification:

Audio and sound file type icon Audio and sound file type

The AT3 file extension was also sometimes used in the past for Sony ATRAC audio format. More information can be found at the AA3 file extension page. The format has faded out of importance.

The default software associated to at3 file type:

Sony SonicStage icon

Sony Corporation logo Sony SonicStage  Microsoft Windows software

Company or developer:
  Sony Corporation

SonicStage is a software used for managing portable devices when they are plugged into a computer running Windows. Its both a music player and library manager

Help how to open AT3 files:

Currently there is no specific information available, about how to open this sound file type.

For general information try to look at:
Basic info how to open audio files

How to convert file with extension AT3:

Currently there is no specific information available, about how to convert this sound file type.

For general information try to look at:
Basic info how to convert audio files

Find conversions from at3 file:

at3 to aa3

at3 to flac

Related links:

What is ATRAC?

List of software applications associated to the .at3 file extension

Recommended software programs are sorted by OS platform (Windows, Mac OS X etc.) and possible program actions
that can be done with the file
: like open at3 file, edit at3 file, convert at3 file, view at3 file, play at3 file etc. (if exist software for corresponding action in File-Extensions.org's database).

Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting of the at3 files.

  • Open at3 file
  • Save at3 file
  • Edit at3 file
  • Play at3 file
  • Create at3 file
  • Import at3 file

Software that open at3 file - Sony ATRAC3 audio file

Click on the link to get more information about listed programs for open at3 file action.

Microsoft Windows:

Previous file extension
AT3 file extension

File-Extensions.org > Audio and sound file types

Next file extension
file extension ATAK

 

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