The File Extensions Database


.MP4;V=1 File Extension

  • Developer by: VideoLAN Project Team
  • Category: Digital video and movie Files

What is an .MP4;V=1 file?

.MP4;V=1 is MPEG-4 video file format

The mp4;v=1 file extension is sometimes used for MPEG-4 multimedia file format, that typically uses mp4 file extension. Probably generated by some program for specific reasons.

The MPEG-4 file format, as defined by the MPEG-4 specification, contains MPEG-4 encoded video and Advanced Audio Coding (AAC)-encoded audio content.


How to open:

Most likely can be played back using any standard media player, you may just need to rename the extension.

How to convert:

It should be possible to convert this file type much like standard MP4.

How to solve problems with MP4;V=1 files

  • Associate the MP4;V=1 file extension with the correct application. On :
    Windows: Right click on any MP4;V=1 file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.MP4;V=1 files". Mac: Right click (or Ctrl-click) the MP4;V=1 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 .MP4;V=1 is MPEG-4 video file format. Because only the current version supports the latest MP4;V=1 file format. Search, therefore, e.g. on the VideoLAN Project Team manufacturer website after an available .MP4;V=1 is MPEG-4 video file format update.
  • To make sure that your MP4;V=1 file is not corrupted or virus-infected, get the file again and scan it with antivirus software.