The File Extensions Database

.F4F File Extension

  • Developer by: Adobe Systems
  • Category: Video Files
  • Format: Binary

What is an .F4F file?

.F4F is Flash Video Fragment

Partial .FLV video file created and used by Adobe Media Server, a software application used for streaming multimedia content; contains a fragment of an overall Flash video file; used for separating larger video files into smaller segments that can be sent to client computers that stream video content.

NOTE: The PHP script AdobeHDS can be used to join F4F fragments into FLV files.

Programs that open Flash Video Fragment
Adobe Media Server
K-S-V Scripts AdobeHDS
Adobe Media Server
K-S-V Scripts AdobeHDS

How to solve problems with F4F files

  • Associate the F4F file extension with the correct application. On :
    Windows: Right click on any F4F file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.F4F files". Mac: Right click (or Ctrl-click) the F4F 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 .F4F is Flash Video Fragment. Because only the current version supports the latest F4F file format. Search, therefore, e.g. on the Adobe Systems manufacturer website after an available .F4F is Flash Video Fragment update.
  • To make sure that your F4F file is not corrupted or virus-infected, get the file again and scan it with antivirus software.