CEM file format description

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

3 filename extension(s) found in our database.

.cem - Windows CE Emulator Image

The CEM development files are related to Windows Mobile SDK. The CEM file is a Windows CE Emulator Image.

Windows Mobile SDK
Development files
- / -
Windows CE Emulator Image related extensions:
PFXplus Source Code
GNU Gettext Portable Object Template
CA-Realizer Runtime Library
Perl Dev Kit PerlApp Data
FreePascal Compiler Makefile
Delphi Diagram Portfolio

.cem - Empire Earth Game Data

The CEM game data files are related to Empire Earth. The CEM file is an Empire Earth Game Data. Empire Earth is a real-time strategy game that spans about a half a million years of human history.

Empire Earth
Game Data files
- / -
Empire Earth Game Data related extensions:
Nonogram Puzzle
Bioware Trigger Data
The Games: Winter Challenge Tournament Data
Doom 3 Saved Game
Max Payne 2 Mod Data
Constructor Video Data

.cem - Children of the Nile Model Data

The CEM game data files are related to Immortal Cities: Children of the Nile. The CEM file is a Children of the Nile Model Data. Immortal Cities: Children of the Nile is a city-building game set in ancient Egypt, developed by Tilted Mill Entertainment.

Immortal Cities: Children of the Nile
Game Data files
- / -
Children of the Nile Model Data related extensions:
Battlefield 1942 Configuration Data
Age of Mythology Game Model
Grand Theft Auto Audio Data
Neverwinter Nights Game Module
Jedi Knight: Jedi Academy FX Data
Touhou Danmakufu Stage Script

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

Can't open a .cem 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 .cem file extension is often given incorrectly!

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

cdm, ce, ceh, cel, cen, cfm, cm, cme, crm, csm, cwm, dem, ecm, em, fem

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Adobe Encore Menu Template
CIMFast Event Language Source Code
NTI CD/DVD-Maker Image
CEN EN 13032 Photometric Data
PCEM Electromask Data
Adobe Audition Loop

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

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DataTypes.net >> CEM file