CM File

What are CM files and how to open them

Are you having problems opening a CM file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your CM files.

What is a CM file?

CM files have multiple uses, and Brief Compiled Macro is one of them. Read more about the other uses further down the page.

Brief Compiled Macro

These CM files contain compiled macros for use in the Brief text editor for Windows and OS/2. Macros help speed up repetitive tasks by executing a range of commands, being triggered by a menu selection or a hotkey combination. Brief was popular in the 1980s and 1990s and ended up being sold to Borland, who has since stopped selling the editor.

How to open CM files

Important: Different programs may use files with the CM file extension for different purposes, so unless you are sure which format your CM file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested nine different CM openers which you will find listed below.

Last updated: April 14, 2021

All known file formats using extension .CM

While Brief Compiled Macro is a popular type of CM-file, we know of 2 different uses of the .CM file extension. Different software may use files with the same extension for different types of data.

CustomMade Module

We know that one CM format is CustomMade Module. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Various apps that use files with this extension

These apps are known to open certain types of CM files. Remember, different programs may use CM files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about CM file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.