You double-click it. Nothing. You open it in Notepad. It looks like alien hieroglyphics.

A: .rsc is plain text . You can read it with any text editor. .backup is a binary system image . Always keep an .rsc export in your password manager for emergencies.

If you need to a router, use /system backup load . If you need to read the settings, spin up a free CHR virtual machine, restore the backup, and run /export .

However, if you own a MikroTik router (or have access to a virtual one), you can absolutely open and extract the data from that file.

Because the file is binary, you must load it into a .