FreeFileSync Forum

Stingray - thanks for the advice- it works!
I hadn't spotted this setting and would never have guessed that it had something to do with versioning!

Attached - showing destination for versioning on external drive - same destination (though different folder) that works for the main backup.

@Lexirose; many thanks. I have specified an absolute path (volumes/etc) for my versioning destination in the same way that i have successfully done for the backup destination.
So I think I’ve already done what you suggest.
Not sure I understand your phrase ‘relative path’ and where or what this ...

I have successfully set an external volume on my Mac OS for mirror backups which works well. But despite selecting the same volume with a dedicated folder for versioning, running FFS keeps putting the versions in my applications folder on the Mac hard rive.
These files start: Applications ...