FreeFileSync Forum

Ok, I read more and got the answer to my Q. Both modes are possible, very easily.

FFS is the best!!

Under your sync settings (F8) use the sync method "Update" rather than "Mirror".

* Both Mirror and Update create files in the right location that exist in the left location and do not exist in the right location (what you likely do want).
* Both Mirror and Update overwrite any files existing in ...