How to open MSA files

Did your computer fail to open a MSA file? We explain what MSA files are and recommend software that we know can open or convert your MSA files.

What is a MSA file?

The MSA file extension indicates to your device which app can open the file. However, different programs may use the MSA file type for different types of data.

While we do not yet describe the MSA file format and its common uses, we do know which programs are known to open these files, as we receive dozens of suggestions from users like yourself every day about specific file types and which programs they use to open them.

We are continually working on adding more file type descriptions to the site, so if you have information about MSA files that you think will help others, please use the Update Info link below to submit it to us - we'd love to hear from you!

Generic MSA

These apps are known to open certain types of MSA files. Since many different programs may use MSA files for different purposes, you may need to try a few of the apps to open your specific MSA file.

Harmony Assistant - Win32Harmony Assistant - Win32User submitted
WildPackets OmniPeekWildPackets OmniPeekUser submitted
InfinityQS ProFicient MSAInfinityQS ProFicient MSAUser submitted
MensuraMensuraUser submitted
GEODES ApplicationGEODES ApplicationUser submitted
Mensura ViewerMensura ViewerUser submitted
ProFicient MSAProFicient MSAUser submitted
MegAlign ProMegAlign ProUser submitted
Market System AnalyzerMarket System AnalyzerUser submitted
WinSTon EmulatorWinSTon EmulatorUser submitted
MSA LinkMSA LinkUser submitted
Mounting Systems CalcMounting Systems CalcUser submitted

Try a universal file viewer

Try a universal file viewer like Free File Viewer. It can open over 200 different types of files - and most likely yours too. Download Free File Viewer here.

We have not verified any programs that we know for certain can work with MSA-files on Mac. If you know one, please use the Suggest link below and tell us about it!
We have not verified any online services that we know for certain can work with MSA-files. If you know one, please use the Suggest link below and tell us about it!