Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .m4a

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

Below, you can find answers to the following questions:

  • What is the .m4a file?
  • Which program can create the .m4a file?
  • Where can you find a description of the .m4a format?
  • What can convert .m4a files to a different format?
  • Which MIME-type is associated with the .m4a extension?
Mpeg-4 Audio .m4a file icon

Mpeg-4 Audio

M4A file is a MPEG-4 audio stream (MP4). MP4 is a better audio compression technology than old MP3.
Category: Audio files
Application: Windows Media Player
Program name: mplayer.exe
Mime-type: audio/x-m4a
Magic bytes (HEX): -
Magic string (ASCII): -
mp4, mp4a
Related extensions:
Audio Interchange File
CD Audio Track
MIDI Music
Real Audio Sound
Macintosh Sound Resource
Amiga 8SVX Sound
Creative Labs Sound Blaster Sound
Windows Waveform Sound
AC-3 Compressed Audio
iTunes M4A Audio .m4a file icon

iTunes M4A Audio

M4A file is an iTunes M4A Audio. Apple iTunes is a media player, media library, Internet radio broadcaster, mobile device management utility, and the client app for iTunes Store.
Detailed description not available
Category: Audio files
Application: Apple iTunes
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Microsoft Video for Windows Movie
Autodesk Animator FLIC File
QuickTime Movie
Mpeg Video
Multimedia Viewer Book
RealMedia File
Mpeg-4 Video Container
Advanced Systems Format Media
Digital Video

Other types of files may also use the .m4a file extension. If you have helpful information about .m4a extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

M4 Macro File
SynDEx Executive Macro
Autodesk Maya 3D ASCII Scene
Diablo 2 Game Data
FactoryTalk View Studio Project Backup
Mari Project Archive
Samsung AllShare Metadata

The .m4a filename extension is often given incorrectly!

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

mta (1), mea (1), m4x (1), mra (1), ma (1), m4 (1)

Can't open a .m4a file?

If you want to open a .m4a file on your computer, you just need to have the appropriate program installed. If the .m4a association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.m4a

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 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android