MENU CART (0)

If you see a file ending in , it is typically part 22 of a multi-volume split archive.

The file (or a file with the .r20 extension) is most likely one of two things: a specific part of a larger split WinRAR archive or a configuration file for professional lighting equipment. 1. Part 22 of a Split WinRAR Archive

Depending on what the file actually is, you may need different tools: generating r20 file savint into a rar