File Extension Library

.M4B File Extension

  • Developer by: Apple
  • Category: Audio Files
  • Format: Binary

What are .M4B files and how to open them?

Can't open .M4B file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .M4B file.

What is a .M4B file extension?

.M4B file extension is created by Apple. .M4B has been classified as Audio Files. The format of .M4B file is Binary.

.M4B is MPEG-4 Audio Book File

Audiobook file based on the MPEG-4 container format; typically compressed with .AAC encoding; nearly identical to an .M4A file, but denoted as an audiobook and can be "bookmarked" by supporting audio players.

The M4B extension is used by audiobooks downloaded from the Apple iTunes store. These audiobooks may be copy-protected using Apple's FairPlay DRM, which means they can only be played on authorized computers or iPods.

Winamp can be used to play unprotected M4B files on Windows computers. However, the settings for the MPEG-4 plug-in may need to be modified to support files with an ".m4b" extension.

List of all softwares that can open the MPEG-4 Audio Book File
File Viewer Plus
Apple iTunes
Microsoft Windows Media Player
Nullsoft Winamp
VideoLAN VLC media player
Ventis Media MediaMonkey 4
Roxio Creator NXT Pro 6
Apple iTunes
VideoLAN VLC media player
VideoLAN VLC media player

How to fix problems with .M4B files

  1. You need to update the application that you normally use to open .M4B files. Only the latest version of the software supports the current .M4B file format
  2. You need to check the .M4B file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)