.3MM File Extension
Are you having difficulty opening a file that ends with .3MM? Such files can be executed only by certain programs. If you cannot open the .3MM file, it can be due to the following reasons: either you do not have an appropriate program to open it, or your file association is corrupted. For more information about this extension, please read the article below.
What is a .3MM file?
.3MM file belongs to the category of Video Files used in operating systems such as Windows 11, 10, Windows 7, Windows 8 / 8.1, Windows Vista, Windows XP.
.3MM file is associated with 3D Movie Maker Movie Project developed by Microsoft, has a Binary Format and belongs to Video Files category.
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