ATRAC3 file format description

Many people share .atrac3 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .atrac3 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .atrac3 files.

1 filename extension(s) found in our database.

.atrac - Sony ATRAC3 Compressed Audio

The ATRAC audio files are related to Windows Media Player. 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.

Windows Media Player
Audio files
- / -
aa3, at3, atp, atrac3, oma, omg
Sony ATRAC3 Compressed Audio related extensions:
Microsoft PlayReady Audio
Nokia Phone Text Ringtone
FM-Kingtracker Sound Bank
G.722 Wideband Audio Data
Casio WK-6500 PK7 Package
Roland V-Synth Patch Data

Naturally, other applications may also use the .atrac3 file extension. Even harmful programs can create .atrac3 files. Be especially cautious with .atrac3 files coming from an unknown source!

Can't open a .atrac3 file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


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 one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .atrac3 file extension is often given incorrectly!

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


Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Sony ATRAC3 Compressed Audio

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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