The mp4b file extension is related to the MPEG-4 Audio Layer bookmarkable file format used by Apple QuickTime.

Detailed description

Software that open mp4b file

Add comment

Bookmark & share this page with others:

MP4B file extension - MPEG-4 Audio Layer bookmarkable data

What is mp4b file? How to open mp4b files?

File type specification:

Audio and sound file type icon Audio and sound file type

mp4b file icon: mp4b filetype icon

The mp4b file format is similar to files using m4a file extension.

The difference is however, that the mp4b files can be bookmarked and thus are mostly used for audio books, podcasts and any other audio work.

The default file extension for MPEG-4 Audio Layer bookmarkable file is m4b.

The default software associated to open mp4b file:

Apple QuickTime for Mac icon

Apple, Inc. logoApple QuickTime for Mac  Apple macOS / Mac OS X software

Company or developer:
Apple, Inc.

Apple QuickTime for Mac is multimedia framework capable of handling various formats of digital video, picture, sound, panoramic images, and interactivity. Apple QuickTime for Mac is a part of the Apple Mac OS X.

Help how to open:

Use QuickTime to work with *.mp4b bookmarkable data.

How to convert:

Use compatible tools to export mp4b files to other formats.

List of recommended software applications associated to the .mp4b file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open mp4b file, edit mp4b file, convert mp4b file, view mp4b file, play mp4b file etc. (if exist software for corresponding action in's database).

mp4b file players - programs that can play mp4b file - MPEG-4 Audio Layer bookmarkable data

Programs supporting the exension mp4b on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for play mp4b file action.

Microsoft Windows:

Apple macOS / Mac OS X:

Previous file extension
MP4A file extension > Audio and sound file types

Next file extension
file extension MPA


Follow us!

Enter any file extension without dot (e.g. pdf)
Search for file extension details and associated application(s)

RSS feed