MSWMM files are used by Windows Movie Maker software to store projects created with this program. The file doesn’t contain actual video and audio data or still images, only references to that data. Each file also contains titles, movie timelines, and setting related to the movie.
Data stored in MSWMM can be combined and edited using Windows Movie Maker.
MSWMM format is not the most commonly used format and if used, it usually is converted beforehand to more popular and less limited formats. MSWMM format can be easily converted into many alternative formats, such as AVI, MOV, MP4, WMV, etc.
Below is a table that list programs that support MSWMM files. MSWMM files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.
There can be multiple causes why you have problems with opening MSWMM files on given system. On the bright side, the most encountered issues pertaining to Windows Movie Maker Project files aren’t complex. In most cases they can be addressed swiftly and effectively without assistance from a specialist. The list below will guide you through the process of addressing the encountered problem.
The main and most frequent cause precluding users form opening MSWMM files is that no program that can handle MSWMM files is installed on user’s system. The most obvious solution is to download and install Windows Movie Maker or one to the listed programs: Microsoft Windows. The full list of programs grouped by operating systems can be found above. If you want to download Windows Movie Maker installer in the most secured manner, we suggest you visit Microsoft Corporation website and download from their official repositories.
You still cannot access MSWMM files although Windows Movie Maker is installed on your system? Make sure that the software is up to date. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. This can be one of the causes why MSWMM files are not compatible with Windows Movie Maker. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using Windows Movie Maker.
If you have the latest version of Windows Movie Maker installed and the problem persists, select it as the default program to be used to manage MSWMM on your device. The method is quite simple and varies little across operating systems.
The procedure to change the default program in Windows
The procedure to change the default program in Mac OS
Should the problem still occur after following steps 1-3, check if the MSWMM file is valid. Being unable to access the file can be related to various issues.
Should it happed that the MSWMM is infected with a virus, this may be that cause that prevents you from accessing it. Immediately scan the file using an antivirus tool or scan the whole system to ensure the whole system is safe. If the scanner detected that the MSWMM file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.
If you obtained the problematic MSWMM file from a third party, ask them to supply you with another copy. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. When downloading the file with MSWMM extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.
There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Log in using an administrative account and see If this solves the problem.
If the system is under havy load, it may not be able to handle the program that you use to open files with MSWMM extension. In this case close the other applications.
Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with Windows Movie Maker Project files. It is possible that one of the available system or driver updates may solve the problems with MSWMM files affecting older versions of given software.
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