.F4B File Extension
- Developer by: Adobe Systems Incorporated
- Category: Audio and sound Files
What is an .F4B file?
.F4B is Adobe Flash MP4 audio eBook file
The f4b file extension is associated with the Adobe Flash. File contains MP4 audio eBook. Adobe Flash eBook format was developed to eliminate incompatibility of MP4 audio eBooks formats between Adobe Flash, Apple QuickTime and Apple iPod. F4B eBook format was supported in the Adobe Flash Player version 9.