The File Extensions Database


.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.

Mime: audio/mp4


How to open:

Use Adobe Flash to open the f4b extension files.

How to convert:

As far as we know, this .f4b file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

How to solve problems with F4B files

  • Associate the F4B file extension with the correct application. On :
    Windows: Right click on any F4B file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.F4B files". Mac: Right click (or Ctrl-click) the F4B file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .F4B is Adobe Flash MP4 audio eBook file. Because only the current version supports the latest F4B file format. Search, therefore, e.g. on the Adobe Systems Incorporated manufacturer website after an available .F4B is Adobe Flash MP4 audio eBook file update.
  • To make sure that your F4B file is not corrupted or virus-infected, get the file again and scan it with antivirus software.