FreeFileSync Forum

Thanks so much, @Plerry for the hint! That solves most of my tasks :)

Testing your proposed solution, I realized that I have one more 'requirement' that I didn't describe:
I want to be able to tell if there is anything on "master" that's not in any one of the other folders. That's what I meant with ...

Hi,

I'd like to achieve the following, but I'm not sure it's possible with FFS:

* I have a "master" backup on a large external HDD. Let's say there's one large folder "pictures-master" with a LOT of pictures.
* I also have subsets of the pictures scattered across multiple other locations. E.g ...