The File Extensions Database

.WMMP File Extension

  • Developer by: Microsoft
  • Category: Video Files

What is an .WMMP file?

.WMMP is Windows Movie Maker Project File

Video project created with Microsoft Windows Movie Maker, a digital video-editing program for creating home movies; includes a video timeline, references to video clips used in the movie, transitions, effects, and other information.

Some versions of Microsoft Windows Movie Maker save project files with a .MSWMM extension.

Programs that open Windows Movie Maker Project File
Microsoft Windows Movie Maker

How to solve problems with WMMP files

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