How to open .MAR file extension?

If you cannot open a new file that has been saved in the .MAR format you need to download the appropriate software. The manufacturer of .MAR files is Mozilla; .MAR files belong to the Misc Files category. After downloading the application from the list available on our website just run an unknown file, and as the default set the newly installed application supporting the .MAR files. Activities performed in the order described should solve the problems with all the files in the .MAR format.