WMMP File Extension
Windows Movie Maker Project Format
- File Type wmmp
- Developer Microsoft
- Popularity
- Application Microsoft Windows Live Movie Maker
- Category Video Files
What is a WMMP file?
The WMMP file extension is linked to Windows Movie Maker Project Format and belongs to the Video Files category, which includes 445 files.
The Windows Movie Maker Project Format (WMMP) was created by Microsoft, a company that developed file format and produced 242 programs for their use.
WMMP file support extends to various operating systems, including Windows. If you need to open a WMMP file, you can use one of 4 programs, such as Microsoft Windows Live Movie Maker, Microsoft Windows XP Media Center Edition and Microsoft Windows Me.
Programs that support WMMP files
How to open a WMMP file?
If you’re having difficulty opening a WMMP file, it is often due to not having the correct software. To solve the problem, choose a compatible program from the list. Then follow the link to the official developer site, download the software, and install it on your device.
When it comes to opening and working with WMMP files, Microsoft Windows Live Movie Maker, Microsoft Windows XP Media Center Edition and Microsoft Windows Me are the top choices for users. If you need the newest version of Microsoft Windows Live Movie Maker, just access the Microsoft website. From there you can download the installer compatible with all systems.
When you finish installing Microsoft Windows Live Movie Maker, the system will automatically launch WMMP files with it.
Set Microsoft Windows Live Movie Maker as the default WMMP application
Changing Default Programs in Windows
- Right-click your WMMP file, then navigate to the "Open With" option and click "Choose Another Application" to continue;
- From the options listed in the pop-up window, specifically choose Microsoft Windows Live Movie Maker as the application to handle your WMMP file;
- Be sure to check the "Always use this app" checkbox and click "OK" to save your preference.
Change the default app that opens a file on Mac
- Right-click or use Control + Left-click on the desired WMMP file to open a menu where you can choose from multiple actions;
- Select "Open in application" and click "Other";
- At the bottom of the window, you will see the "Enable" menu. It is already set to the default option, "Recommended Programs";
- Within this menu, select "All Programs" and then search for Microsoft Windows Live Movie Maker. Check the box next to "Always open in app" to make it the default program.
How to edit a WMMP file?
To edit WMMP files, it is essential to install software that supports not only viewing but also editing the video files. Online WMMP editors provide limited functionality compared to full-featured software for Windows Movie Maker Project Format.
Best WMMP editors in 2026
After analyzing the criteria, we have created a list of WMMP editors available for use.
| WMMP Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| Microsoft Windows Live Movie Maker | Microsoft | Windows | 4.5 out of 5 (39 reviews) |
Troubleshooting guide for WMMP file complications
When facing challenges with WMMP files, simple adjustments in your software can often solve the problem. Find helpful troubleshooting guidance below.
What can lead to sudden Microsoft Windows Live Movie Maker crashes?
Microsoft Windows Live Movie Maker crashes can occur due to outdated software versions. To mitigate this, install the latest updates for Microsoft products.
Restarting your computer is a crucial troubleshooting measure that can alleviate numerous common problems. Therefore, it is advisable to restart your computer before modifying any settings related to the software.
What is the recommended approach to repair a damaged WMMP file?
Open the damaged WMMP file with a recovery program, and then select the "Repair" menu item to start the repair process. Then wait for the recovery process to complete, which allows you to automatically repair corrupted video files.
What are the telltale signs of a corrupt WMMP file?
Common indications of damaged WMMP video files are:
- Unexplained increase in WMMP file size;
- File hangs or crashes in Microsoft Windows Live Movie Maker or other programs;
- The file does not open or opens with errors;
- While working with the file, error messages appear;
- Editing the archive in Microsoft Windows Live Movie Maker results in slow or unresponsive behavior;