>> CMMTHEME file

CMMTHEME file format description

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

1 filename extension(s) found in our database.

.cmmtheme - CleanMyMac Theme Data

The CMMTHEME data files are related to CleanMyMac. CMMTHEME file is a CleanMyMac Theme Data. CleanMyMac is a Mac cleaner, speed booster, and health guard application.

Data files
- / -
CleanMyMac Theme Data related extensions:
Agilent E6474A Recorded Measurement Data
µVision System Component Viewer Description
DameWare NT Utilities Data
ObjectBar Menu Skin
FileMaker Pro Transfer Data
Nintendo Switch Submission Package

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

Can't open a .cmmtheme 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.

Operating systems 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

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

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