A MikroTik binary file . It is designed only to be restored onto the same MikroTik device (or same model) and cannot be opened or read directly with a text editor like Notepad or Word. MikroTik community forum
Verdict:
Avoid unofficial "extractors." Use the CHR method instead.
The most reliable way to "read" a backup file without a physical router is to restore it to a virtual Cloud Hosted Router (CHR) .
Step 2:
Open a terminal (CLI) on the router.
that is normal
If you are looking at a .backup file and it looks like encrypted garbage, .