3MM file format description
Many people share .3mm files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .3mm file can be edited, converted or printed with. On this page, we try to provide assistance for handling .3mm files.
1 filename extension(s) found in our database.
.3mm - 3D Movie Maker Project
The 3MM multimedia files are related to 3D Movie Maker. The 3MM file is a 3D Movie Maker Project. 3D Movie Maker is a program created by Microsoft's "Microsoft Kids" subsidiary in 1995. The 3D Movie Maker seems to be no longer supported.
- 3D Movie Maker
- Multimedia files
- - / -
- 3D Movie Maker Project related extensions:
Naturally, other applications may also use the .3mm file extension. Even harmful programs can create .3mm files. Be especially cautious with .3mm files coming from an unknown source!
Can't open a .3mm 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 can't open this file:
To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.
To avoid this error, you need to set the file association correctly.
- Open Control Panel > Control Panel Home > Default Programs > Set Associations.
- Select a file type in the list and click Change Program.
The .3mm file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
3m, 3ml, emm, mm, rmm, wmm
Is it possible that the filename extension is misspelled?
Similar file extensions in our database:
- Matrix Market File
- FreeMind MindMap
- Advent 3B2 Macro
- World Magnetic Model Data
- Transport Fever Game Cache Data
- SimStudio 3D Model
DataTypes.net currently supports the following operating systems:
Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android
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