MSWMM file extension
The table below provides useful information about the .mswmm file extension. It answers questions such as:
- What is the .mswmm file?
- What program do I need to open a .mswmm file?
- How can the .mswmm file be opened, edited or printed?
- How can I convert .mswmm files to another format?
Table of Contents
- ✅ Microsoft Windows Movie Maker Project
- 🔄 .mswmm file converters
- 🚫 .mswmm file related errors
We hope you find this page helpful and a valuable resource!
1 extension(s) and 0 alias(es) found in database
✅ Microsoft Windows Movie Maker Project

MSWMM file is a Windows Movie Maker Project. MSWMM contains information about the arrangement and timing of clips, titles, transitions, and effects that are on the storyboard/timeline.
Other types of files may also use the .mswmm file extension.
🔴 Can't open a .mswmm file?
When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:
Windows cannot open this file:
example.mswmm
To open this file, Windows needs to know what program you want to use to open it...
If you don't know how to set the .mswmm file association, check the FAQ.
🔴 Can I change the extension of files?
Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.
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