Opening MSWMM files

Did your computer fail to open a MSWMM file? We explain what MSWMM files are and recommend software that we know can open or convert your MSWMM files.

What is a MSWMM file?

MSWMM is an acronym for Microsoft Windows Movie Maker. Files that contain the .mswmm file extension usually hold project files that contain pointers to various media files that have been created with the Microsoft Windows Movie Maker software.

The Microsoft Windows Movie Maker software allows a user to create, edit and share movies that they may make at home using either a digital or analog video recorder. The MSWMM file does not contain any actual media content. It only contains the location of the actual media files that the MSWMM file references.

Oftentimes users prefer to change an MSWMM file into another file format since the MSWMM file format is limited in its versatility.

Try a universal file viewer

In addition to the products listed above, I would suggest that you try a universal file viewer like Free File Viewer. It can open over 200 different types of files - and very likely yours too! Download Free File Viewer.

By Prof. Jones (The File Expert)

Chief Content Editor and File Expert

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