CM file format description

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

2 filename extension(s) found in our database.

.cm - GTA San Andreas CLEO Custom Mission

The CM game data files are related to GTA San Andreas. The CM file is a GTA San Andreas CLEO Custom Mission. CLEO is a tool that allows you to run portions of mission scripts in GTA San Andreas without having to replace that main.scm file or starting a new game.

Application:

GTA San Andreas

Category:

Game Data files

Mime-type:

application/octet-stream

Magic:

- / -

Aliases:

GTA San Andreas CLEO Custom Mission related extensions:

.xarc: The Longest Journey Audio Data
.pskx: Unreal Engine 3 Static Mesh Data
.w2speech: The Witcher 2 Game Speech Data
.ricochetlw: Ricochet: Lost Worlds Round Data
.mdl: Men of War: Assault Squad 2 Model Data
.3d0: Grand Prix Legends Track Data

.cm - NucleoView Image Data

The CM data files are related to NucleoView. The CM file is a NucleoView Image Data. The NucleoView software is the user interface for the NucleoCounter NC-200, NC-250 and NC-3000 instruments.

Application:

NucleoView

Category:

Data files

Mime-type:

application/octet-stream

Magic:

- / -

Aliases:

NucleoView Image Data related extensions:

.cmpm: NucleoView Plot Manager Data
.cmpp: NucleoView Post Processing Data
.cmsup: NucleoView Package
.cmsx: NucleoView Protocol Data

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

Can't open a .cm 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:

example.cm

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 .cm file extension is often given incorrectly!

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

ch, ck, cl, cn, dm, fm, mc, sm, vm, xm

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

.mc: ZX Spectrum Multicolor Image
.mc: PSEmu Pro Memory Card Save
.fm: Adobe FrameMaker Document
.ch: Scitex Continuous Tone
.mc: MetaCard Stack Data
.dm: DRM Delivery Message

Operating systems

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

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

https://datatypes.net/open-cm-files

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