How to open .RSM file extension?

If you cannot open a new file that has been saved in the .RSM format you need to download the appropriate software. The manufacturer of .RSM files is WinWay; .RSM files belong to the Layout 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 .RSM files. Activities performed in the order described should solve the problems with all the files in the .RSM format.