How to open .RB4 file extension?

If you cannot open a new file that has been saved in the .RB4 format you need to download the appropriate software. The manufacturer of .RB4 files is Sarm Software; .RB4 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 .RB4 files. Activities performed in the order described should solve the problems with all the files in the .RB4 format.