[NeoCZ]

Ok, it seems that it would be hard to implement it in a way it would be useful. I already use sync via OneDrive and regular auto-backups of this folder (with LocalState folder sync to that OneDrive folder via FreeFileSync) to my NAS. I just also wanted to have full backup in single .msb file. In a rare (and not seen so far) scenario I need to make quick installation of MS into new device and quickly load my whole library, one file seems to be better and easier.