CMN file format description
Many people share .cmn files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .cmn file can be edited, converted or printed with. On this page, we try to provide assistance for handling .cmn files.
2 filename extension(s) found in our database.
.cmn - Microsoft SMS Collection Membership Update
The CMN data files are related to Microsoft Systems Management Server (SMS). The CMN file is a Microsoft SMS Collection Membership Update. Systems Management Server allows an administrator at a central location to perform these key management functions for client computers. This removes the need to physically touch a computer for inventory census, software installations, or problem diagnosis. Systems Management Server works within existing network environments to provide a complete resource management solution.
- Microsoft Systems Management Server (SMS)
- Data files
- - / -
- Microsoft SMS Collection Membership Update related extensions:
.cmn - Visual Studio Windows CE Build Settings
The CMN development files are related to Microsoft Visual Studio. The CMN file is a Visual Studio Windows CE Build Settings. Microsoft Visual Studio is a suite of component-based software development tools and other technologies for building applications. The Sources.cmn file enables you to determine general build settings for several projects. The content of this file is included in Makefile.def by the directory before the content of the Sources file. Sources.cmn must be located in the upper directory that contains the Dirs file.
- Microsoft Visual Studio
- Development files
- - / -
- Visual Studio Windows CE Build Settings related extensions:
Naturally, other applications may also use the .cmn file extension. Even harmful programs can create .cmn files. Be especially cautious with .cmn files coming from an unknown source!
Can't open a .cmn 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 .cmn file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
chn, ckn, cln, cm, cmb, cmg, cmh, cmj, cmm, cn, cnm, cnn, dmn, mn, smn
Is it possible that the filename extension is misspelled?
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DataTypes.net currently supports the following operating systems:
Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android
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