File Extension M4A

.M4A File

File extension: M4A
File type: MPEG-4 Audio Layer
Do you have M4A - related issues?
First check your registry for hidden errors.


Notes about the M4A file extension:


Errors in your registry are one of the common causes for incorrect file associations on your windows system. It is highly recommended that you check your registry for file association errors (will also check for any other registry errors).

The M4A file type is primarily associated with 'MPEG-4 Audio Layer'. Files in .M4A format are actually the audio layer of (non-video) MPEG 4 movies. M4A is slated to become the new standard for audio file compression. This format is also known as Apple Lossless, Apple Lossless Encoder, or ALE. It is a new codec designed to provide lossless encoding in less storage space.

Detailed information for file extension M4A:

Primary association: MPEG-4 Audio Layer
Identifying characters Hex: 00 00 00 , ASCII:
Related links: Apple Quicktime, Windows Media Player, Wikipedia MPEG-4 Page, FILExt CODEC and Video Player FAQ
File Identifier - TrID
'Identifying characters' used on FILExt.com are
provided by Marco Pontello from his TrID database



Important: When encountering any file extension issues it is always recommended that you run a free scan for Windows registry errors.

Technical data

To view technical data on file-extension M4A click this link to expand/hide the additional area.

System Info for File Extension .M4A

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and information FILExt collected directly from user systems.
ProgramID: 3ivx.m4a, FileType: 3ivx MPEG-4 Audio File
ProgramID: iTunes.m4a, FileType: AAC Audio File, AppName: iTunes
EXEFile: iTunes.exe
ProgramID: QuickTime.m4a, FileType: AAC audio, AppName: QuickTime Player
EXEFile: QuickTimePlayer.exe
ProgramID: QuickTime.m4a, FileType: AAC audio, AppName: QuickTime Player Application
EXEFile: QuickTimePlayer.exe
ProgramID: Winamp.File
EXEFile: %ProgramFiles%\Winamp5\Winamp.exe %1
ProgramID: Rhapsody.Document
EXEFile: %ProgramFiles%\Rhapsody\Rhapsody.exe %1
ProgramID: MPlayerFileAudio
EXEFile: %ProgramFiles%\MPlayer for Windows\MPUI.exe
ProgramID: Winamp.File
EXEFile: %ProgramFiles%\Winamp5.08\Winamp.exe %1
ProgramID: Rhapsody.Document
EXEFile: %ProgramFiles%\Comcast Rhapsody\rhapsody.exe %1
ProgramID: 3ivx.m4a
EXEFile: %ProgramFiles%\Windows Media Player\mplayer2.exe %L
ProgramID: AVSAUDIO
EXEFile: %ProgramFiles%\AVSMedia\DVDPlayer\AVSDVDPlayer.exe
ProgramID: StudioII.Player
EXEFile: %ProgramFiles%\Samsung\EASYST~1\FILEMA~1\EASYST~1.EXE
ProgramID: Microsoft.Zune.1.M4A
EXEFile: %ProgramFiles%\Zune\Zune.exe /Open
ProgramID: Winamp.File
EXEFile: %ProgramFiles%\Winamp\Winamp.exe %1
ProgramID: RealPlayer.M4A.6
EXEFile: Y:\Real\RealOne Player\RealPlay.exe %1
ProgramID: RealPlayer.M4A.6
EXEFile: %ProgramFiles%\RealPlay.exe %1
ProgramID: RealPlayer.M4A.6
EXEFile: %ProgramFiles%\RealPlayer\RealPlay.exe %1
ProgramID: RealPlayer.M4A.6
EXEFile: %ProgramFiles%\Real\RealPlayer\RealPlay.exe %1
ProgramID: QuickTime.m4a
EXEFile: %ProgramFiles%\QUICKT~1\QuickTimePlayer.exe %1
ProgramID: RealPlayer.M4A.6
EXEFile: %ProgramFiles%\Real\RealOne Player\RealPlay.exe %1
ProgramID: iTunes.m4a
EXEFile: %ProgramFiles%\iTunes\iTunes.exe /open %L
ProgramID: iTunes.m4a
EXEFile: D:\iTunes\iTunes.exe /open %L
ProgramID: foobar2000.mp4
EXEFile: %ProgramFiles%\Audio\foobar2000\foobar2000.exe %1
ProgramID: foobar2000.m4a
EXEFile: %ProgramFiles%\foobar2000\foobar2000.exe %1
ProgramID: ACDSee 7.0.m4a
EXEFile: %ProgramFiles%\ACD Systems\ACDSee\7.0\ACDSee7.exe %1
ProgramID: totalplayer.file
EXEFile: %ProgramFiles%\Total Video Player\tvp.exe
ProgramID: 3ivx.m4a
EXEFile: %ProgramFiles%\Windows Media Player\wmplayer.exe %L
ProgramID: Rhapsody.Document
EXEFile: %ProgramFiles%\RealRhapsody\rhapsody.exe %1
ProgramID: iTunes.m4a
EXEFile: G:\iTunes.exe /open %L
ProgramID: NeroShowTime.Files7.m4a
EXEFile: %ProgramFiles%\JetAudio\JetAudio.exe
ProgramID: YMP.Media
EXEFile: %ProgramFiles%\Yahoo!\Yahoo! Music Engine\YahooMusicEngine.exe -play %1
ProgramID: Rhapsody.Document
EXEFile: %ProgramFiles%\Real\rhapsody.exe %1
ProgramID: M4AFile
EXEFile: %ProgramFiles%\JetAudio\JetAudio.exe %1
ProgramID: Winamp.File
EXEFile: %ProgramFiles%\JetAudio\JetAudio.exe %1
ProgramID: Rhapsody.Document
EXEFile: %ProgramFiles%\COMCAS~2\rhapsody.exe %1
ProgramID: QuickTime.m4a
EXEFile: %ProgramFiles%\NCH Swift Sound\WavePad\wavepad.exe %L
ProgramID: QuickTime.m4a
EXEFile: %ProgramFiles%\QuickTime\QuickTimePlayer.exe
ProgramID: Rhapsody.Document
EXEFile: %ProgramFiles%\COMCAS~1\rhapsody.exe
ProgramID: StudioII.Player
EXEFile: %ProgramFiles%\Samsung\SAMSUN~1.0\PIMS
ProgramID: Rhapsody.Document
EXEFile: %ProgramFiles%\HP Rhapsody\rhapsody.exe
ProgramID: 3ivx.m4a
EXEFile: %ProgramFiles%\Windows Media Player\mplayer2.exe /play
ProgramID: Rhapsody.Document
EXEFile: %ProgramFiles%\Rhapsody provided by Optimum Online\rhapsody.exe
ProgramID: m4afile
EXEFile: %ProgramFiles%\K-Lite Codec Pack\Media Player Classic\mplayerc.exe
ProgramID: ACDSee 8.0.m4a
EXEFile: %ProgramFiles%\ACD Systems\ACDSee\8.0\ACDSee8.exe
ProgramID: m4afile
EXEFile: %ProgramFiles%\NCH Swift Sound\WavePad\wavepad.exe
ProgramID: iTunes.m4a
EXEFile: %ProgramFiles%\QuickTime\iTunes.exe /open
ProgramID: EsmasPlayer.1.File
EXEFile: %SystemRoot%\system32\EMPLnchr.exe /Play
ProgramID: Rhapsody.Document
EXEFile: %ProgramFiles%\Best Buy Rhapsody\rhapsody.exe
ProgramID: ALShow.M4A
EXEFile: %ProgramFiles%\ESTsoft\ALShow\ALShow.exe
ProgramID: totalplayer.file
EXEFile: %ProgramFiles%\Total Video Converter\tvp.exe
ProgramID: KMPlayer.m4a
EXEFile: %ProgramFiles%\The KMPlayer\KMPlayer.exe
ProgramID: RealPlayer.M4A.6
EXEFile: %ProgramFiles%\COMCAS~1\Rhapsody.exe
ProgramID: StudioII.Player
EXEFile: %SystemRoot%\PLAY32.EXE
ProgramID: KLCP.M4A
EXEFile: %ProgramFiles%\K-Lite Codec Pack\Media Player Classic\mplayerc.exe
ProgramID: KLCP.M4A
EXEFile: %ProgramFiles%\Windows Media Player\wmplayer.exe
ProgramID: qvodplayer.m4a
EXEFile: %ProgramFiles%\QvodPlayer\QvodPlayer.exe -localfile
ProgramID: ACDSee 9.0.m4a
EXEFile: %ProgramFiles%\ACD Systems\ACDSee\9.0\ACDSeeQV.exe
ProgramID: MediaMonkey.M4AFile
EXEFile: %ProgramFiles%\MediaMonkey\MediaMonkey.exe
ProgramID: Winamp.PlayList
EXEFile: %ProgramFiles%\Winamp\Winamp.exe
ProgramID: iTunes.m4a
EXEFile: %ProgramFiles%\iTunes.exe /open
ProgramID: OpenMG_M4a
EXEFile: %ProgramFiles%\Sony\SonicStage\Omgjbox.exe
ProgramID: AVSAUDIO
EXEFile: %ProgramFiles%\AVS4YOU\AVSDVDPlayer\AVSDVDPlayer.exe
ProgramID: MediaMonkey.M4AFile
EXEFile: %ProgramFiles%\MEDIAM~1\MEDIAM~2.EXE
ProgramID: KLCP.WMP.m4a
EXEFile: %ProgramFiles%\Windows Media Player\wmplayer.exe
ProgramID: Rhapsody.Document
EXEFile: %ProgramFiles%\BESTBU~1\rhapsody.exe
ProgramID: MPlayerFileAudio
EXEFile: %ProgramFiles%\MPlayer\mplayer\smplayer_portable.exe
ProgramID: RealPlayer.M4A.6
EXEFile: %ProgramFiles%\Dhamu\Download\RealPlay.exe
ProgramID: WMP11.AssocFile.M4A
EXEFile: %ProgramFiles%\Windows Media Player\wmplayer.exe /prefetch:6 /Open
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