CM4 file format description
Many people share .cm4 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .cm4 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .cm4 files.
1 filename extension(s) found in our database.
.cm4 - CaseMap 4 Data
CM4 file is a CaseMap 4 Data. CaseMap is a fact management database application used to manage, organize and connect case.
Naturally, other applications may also use the .cm4 file extension. Even harmful programs can create .cm4 files. Be especially cautious with .cm4 files coming from an unknown source!
Can't open a .cm4 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 .cm4 file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
c4, sm4, m4, cmt, cme, cl4, mc4, dm4, cmr, cm
Is it possible that the filename extension is misspelled?
Similar file extensions in our database:
- Edmics Image
- XPMPro 2.0 Data
- Chinon ES-1000 Image
- Clonk 4 Script
- Commander Keen Data File
- E-Sword v8 Commentary Data
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If you have useful information about the .cm4 file format, then write to us!