.M4B File

File extension: M4B

File type: Bookmarkable File

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First check your registry for invalid entries.

Notes about the M4B file extension:

Incorrect file associations could be the result of underlying issues within your PC system. As such it is highly recommended to scan your PC for invalid registry entries, unused processes and other unfavourable system settings to identify slowdown issues.

The M4B 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.

M4B files are M4A files that can be bookmarked, unlike their M4A counterparts. Thus, they are more often used for audio books and podcasts.

Detailed information for file extension M4B:

Primary association: MPEG-4 Audio Layer

File classification: Audio

Important: Invalid file associations could be the result of underlying issues within your Windows PC. It is highly recommended that you scan your PC for invalid registry entries, unused processes and other slowdown issues.

Technical data

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System Info for File Extension .M4B

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.m4b, FileType: AAC Audio File (Protected), AppName: iTunes
EXEFile: iTunes.exe

ProgramID: QuickTime.m4b, FileType: AAC audio, AppName: QuickTime Player
EXEFile: QuickTimePlayer.exe

ProgramID: QuickTime.m4b, FileType: AAC audio, AppName: QuickTime Player Application
EXEFile: QuickTimePlayer.exe

ProgramID: Microsoft.Zune.1.M4B
EXEFile: %ProgramFiles%\Zune\Zune.exe /Open

ProgramID: iTunes.m4b
EXEFile: D:\iTunes\iTunes.exe /open %L

ProgramID: QuickTime.m4b
EXEFile: %ProgramFiles%\QUICKT~1\QuickTimePlayer.exe %1

ProgramID: iTunes.m4b
EXEFile: %ProgramFiles%\iTunes\iTunes.exe /open %L

ProgramID: ACDSee 7.0.m4b
EXEFile: %ProgramFiles%\ACD Systems\ACDSee\7.0\ACDSee7.exe %1

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

ProgramID: QuickTime.m4b
EXEFile: %ProgramFiles%\QuickTime\QuickTimePlayer.exe

ProgramID: DUP5.Files
EXEFile: %ProgramFiles%\Dragon UnPACKer 5\drgunpack5.exe

ProgramID: m4bfile
EXEFile: %ProgramFiles%\Media Player Classic\mplayerc.exe

ProgramID: ACDSee 8.0.m4b
EXEFile: %ProgramFiles%\ACD Systems\ACDSee\8.0\ACDSee8.exe

ProgramID: ACDSee Pro.m4b
EXEFile: %ProgramFiles%\ACD Systems\ACDSee\8.0.Pro\ACDSee8Pro.exe

ProgramID: iTunes.m4b
EXEFile: %ProgramFiles%\QuickTime\iTunes.exe /open

ProgramID: m4bfile
EXEFile: %ProgramFiles%\K-Lite Codec Pack\Media Player Classic\mplayerc.exe

ProgramID: MediaCenter.11.File
EXEFile: %ProgramFiles%\K-Lite Codec Pack\Media Player Classic\mplayerc.exe

ProgramID: ACDSee 9.0.m4b
EXEFile: %ProgramFiles%\ACD Systems\ACDSee\9.0\ACDSeeQV.exe

ProgramID: ACDSee.m4b
EXEFile: %ProgramFiles%\ACD Systems\ACDSee\5.0\ACDSee5.exe

ProgramID: MediaMonkey.M4BFile
EXEFile: %ProgramFiles%\MediaMonkey\MediaMonkey.exe

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

ProgramID: mplayerc.m4b
EXEFile: %ProgramFiles%\Ringz Studio\Storm Codec\mplayerc.exe

ProgramID: iTunes.m4b
EXEFile: %ProgramFiles%\iTunes.exe /open

ProgramID: MediaMonkey.M4BFile
EXEFile: %ProgramFiles%\MEDIAM~1\MEDIAM~2.EXE

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