MSM File - opening and understanding

Did your computer fail to open a MSM file? We explain what they are used for and recommend software that we know can open or otherwise handle your .MSM files.

What is a MSM file?

Files containing the .msm extension are most commonly used by Windows Installers. The MSM files contain merge modules that provide a standard method for developers to deliver and share Windows Installer components.

The .msm file extension is also used for Audio Utility midism compressed files, ArchiCAD Geometric Description Language files and Multisim circuit diagram files.

How to open MSM files

You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension MSM for different purposes.

While we have not verified the apps ourselves yet, our users have suggested 4 different MSM openers which you will find listed below.

Suggest another file format using extension MSM

While we know of one file format using the .MSM file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .MSM file.

Various viewers for this file format

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

MultisimMultisimUser submitted
Windows Installer - UnicodeWindows Installer - UnicodeUser submitted
The Card MasterThe Card MasterUser submitted
Jw_cadJw_cadUser submitted
We have not verified any software that we know for certain will work with MSM-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with MSM-files. If you know one, please use the 'Suggest a program' link below and tell us about it!