File Extension M4P

.M4P File

File extension: M4P
File type: Protected AAC File

Notes about the M4P file extension:

To open this file type, a required software must be installed. Without it you only see a Windows message "The following file cannot be opened" (Windows 7) or "How do you want to open this file?" (Windows 10) if you double-click the file. There click on "More apps" and choose a suitable software to view such files on your PC or from email attachments.

The M4P file type is primarily associated with 'Protected AAC File' by Apple Inc.. AAC is the audio layer from the follow-on format to MP3 (see .M4A extension). The .M4P extension is AAC purchased from Apple's Music Store (iTune) and is protected by a Digital Rights Management scheme.

Detailed information for file extension M4P:

Primary association: Protected AAC File
Company: Apple Inc.
Identifying characters Hex: 00 00 00 , ASCII:
Related links: Description Page, FILExt CODEC and Video Player FAQ
File Identifier - TrID
'Identifying characters' used on are
provided by Marco Pontello from his TrID database

To change file associations press Windows Key + X and then Apps and Features > Default apps > Choose default apps by file type. Invalid file associations could be the result of underlying issues within your Windows PC.

Technical data

To view technical data on file-extension M4P click this link to expand/hide the additional area.

System Info for File Extension .M4P

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: iTunes.m4p, FileType: AAC Audio File (Protected), AppName: iTunes
EXEFile: iTunes.exe

ProgramID: QuickTime.m4p, FileType: AAC audio, AppName: QuickTime Player
EXEFile: QuickTimePlayer.exe

ProgramID: QuickTime.m4p, FileType: AAC audio, AppName: QuickTime Player Application
EXEFile: QuickTimePlayer.exe

ProgramID: ACDSee 7.0.m4p
EXEFile: %ProgramFiles%\ACD Systems\ACDSee\7.0\ACDSee7.exe %1

ProgramID: iTunes.m4p
EXEFile: %ProgramFiles%\iTunes\iTunes.exe /open %L

ProgramID: iTunes.m4p
EXEFile: D:\iTunes\iTunes.exe /open %L

ProgramID: QuickTime.m4p
EXEFile: %ProgramFiles%\QUICKT~1\QuickTimePlayer.exe %1

ProgramID: RealPlayer.M4P.6
EXEFile: %ProgramFiles%\Real\RealOne Player\RealPlay.exe %1

ProgramID: RealPlayer.M4P.6
EXEFile: %ProgramFiles%\Real\RealPlayer\RealPlay.exe %1

ProgramID: Winamp.File
EXEFile: %ProgramFiles%\Winamp\Winamp.exe %1

ProgramID: RealPlayer.M4P.6
EXEFile: %ProgramFiles%\Media\Audio and Video\Real\RealPlayer\RealPlay.exe %1

ProgramID: QuickTime.m4p
EXEFile: %ProgramFiles%\QuickTime\QuickTimePlayer.exe

ProgramID: Rhapsody.Document
EXEFile: %ProgramFiles%\Rhapsody\rhapsody.exe

ProgramID: m4pfile
EXEFile: %ProgramFiles%\Media Player Classic\mplayerc.exe

ProgramID: RealPlayer.M4P.6
EXEFile: %ProgramFiles%\RealPlayer\RealPlay.exe

ProgramID: ACDSee 8.0.m4p
EXEFile: %ProgramFiles%\ACD Systems\ACDSee\8.0\ACDSee8.exe

ProgramID: ACDSee Pro.m4p
EXEFile: %ProgramFiles%\ACD Systems\ACDSee\8.0.Pro\ACDSee8Pro.exe

ProgramID: iTunes.m4p
EXEFile: %ProgramFiles%\QuickTime\iTunes.exe /open

ProgramID: m4pfile
EXEFile: %ProgramFiles%\K-Lite Codec Pack\Media Player Classic\mplayerc.exe

ProgramID: ACDSee 9.0.m4p
EXEFile: %ProgramFiles%\ACD Systems\ACDSee\9.0\ACDSeeQV.exe

ProgramID: qvodplayer.m4p
EXEFile: %ProgramFiles%\QvodPlayer\QvodPlayer.exe -localfile

ProgramID: ACDSee.m4p
EXEFile: %ProgramFiles%\ACD Systems\ACDSee\5.0\ACDSee5.exe

ProgramID: m4pfile
EXEFile: %ProgramFiles%\Combined Community Codec Pack\MPC\mplayerc.exe

ProgramID: MediaMonkey.M4PFile
EXEFile: %ProgramFiles%\MediaMonkey\MediaMonkey.exe

ProgramID: mplayerc.mp4
EXEFile: %ProgramFiles%\Recode Media\X Codec Pack v2\Media Player Classic\mplayerc.exe

ProgramID: mplayerc.m4p
EXEFile: %ProgramFiles%\Ringz Studio\Storm Codec\mplayerc.exe

ProgramID: iTunes.m4p
EXEFile: %ProgramFiles%\iTunes.exe /open

ProgramID: MediaMonkey.M4PFile
EXEFile: %ProgramFiles%\MEDIAM~1\MEDIAM~2.EXE

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