CMU file format description

Many people share .cmu files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .cmu file can be edited, converted or printed with. On this page, we try to provide assistance for handling .cmu files.

2 filename extension(s) found in our database.

.cmu - CMU Window Manager Bitmap

The CMU graphic files are related to XnView. The CMU file is a CMU Window Manager Bitmap.

Graphic files
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CMU Window Manager Bitmap related extensions:
ZX Spectrum Hobetta Image
Pocket PC Bitmap Image
Amapi Image
Sony Mavica Picture
GoDot Image
TI-73 Bitmap

.cmu - Andrew Toolkit CMU Data

The CMU data files are related to Andrew Project. The CMU file is an Andrew Toolkit CMU Data. The Andrew Toolkit (ATK), a set of tools that allows users to create and distribute documents containing a variety of formatted and embedded objects,

Andrew Project
Data files
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Andrew Toolkit CMU Data related extensions:
MetroCount Traffic Data
Debian Package Extended Shared Library Information Data
PC MightyMax Offline Licensing Data
Siemens Teamcenter Zipped Briefcase File
MX Editor MX-900 Data
qs-STAT Q-DAS Description File

Naturally, other applications may also use the .cmu file extension. Even harmful programs can create .cmu files. Be especially cautious with .cmu files coming from an unknown source!

Can't open a .cmu 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.

The .cmu file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

chu, clu, cm, cmh, cmi, cmj, cmk, cmy, cnu, cu, dmu, fmu, mcu, mu, smu

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Functional Mock-up Unit Data
CardShop Plus Document
OCaml Compiled Interface
iiV Lookup Script
Infinity Engine 1.0 User Interface Description
CUDA Source Code

Operating systems 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

If you find the information on this page useful, please feel free to link to this page.

If you have useful information about the .cmu file format, then write to us! >> CMU file