The File Extensions Database


.MP41 File Extension

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

What is an .MP41 file?

.MP41 is Microsoft MP41 video data

The mp41 file extension is associated with the MP41, a video codec developed by Microsoft.

The mp41 file stores video data encoded by MP41 codec.

The MP41 codec seems to be obsolete.

This mp41 file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.


How to open:

Use VLC Player to playback *.mp41 files.

How to convert:

Use compatible tools to export *.mp41 files

How to solve problems with MP41 files

  • Associate the MP41 file extension with the correct application. On :
    Windows: Right click on any MP41 file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.MP41 files". Mac: Right click (or Ctrl-click) the MP41 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 .MP41 is Microsoft MP41 video data. Because only the current version supports the latest MP41 file format. Search, therefore, e.g. on the VideoLAN Project Team manufacturer website after an available .MP41 is Microsoft MP41 video data update.
  • To make sure that your MP41 file is not corrupted or virus-infected, get the file again and scan it with antivirus software.