CMB File

What are CMB files and how to open them

Are you having problems opening a CMB file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a CMB file?

A .CMB file is a Reason Combinator Instrument Patch file.

We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

How to open CMB files

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

While we have not verified the apps ourselves yet, our users have suggested 8 different CMB openers which you will find listed below.

Last updated: May 31, 2022

Various apps that use files with this extension

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

ReasonReasonUser submitted
Reason LimitedReason LimitedUser submitted
Reason EssentialsReason EssentialsUser submitted
ChromeleonChromeleonUser submitted
MDI JadeMDI JadeUser submitted
AudioRealism Bass LineAudioRealism Bass LineUser submitted
PC EyesPC EyesUser submitted
SilviaSilviaUser submitted

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