Msm extension is associated with Windows Installer Merge Module. You have chance to open msm files with Microsoft Windows Installer.
MSM extension stands for installation file. These files are created by using Visual Studio. If you see setup.exe kind of icon with the file, you may install this package with the assistance of this icon. Otherwise, there should be an application to make installation process.
What to use msm
Microsoft Windows Installer
which page related to msm file
msm Related Searches
You can check related links about msm fileextension.