LanguageMP4B
MPEG-4 Audio Layer bookmarkable data
File type: Audio and sound file
The mp4b file extension is related to the MPEG-4 Audio Layer bookmarkable file format used by Apple QuickTime.
What is mp4b file?
File type category:
Audio and sound file
Date updated: November 24, 2016
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.
How to open mp4b file?
Use QuickTime to work with *.mp4b bookmarkable data.
How to convert mp4b file?
Use compatible tools to export mp4b files to other formats.
Suggested software to open mp4b file:
Associated software actions with the mp4b file
Apps designed for playing mp4b files:
Apple QuickTime (Microsoft Windows)
Apple QuickTime for Mac (Apple macOS / Mac OS X)