Comment by AdaX

Personally, I've had some issues with Kopia.

I found their explanation here:

https://github.com/kopia/kopia/issues/1764

https://github.com/kopia/kopia/issues/544

Still not solved after many years :(

Now I use Borg + Restic and I am happy

+ GUI for Restic https://github.com/garethgeorge/backrest

+ GUI for Borg https://github.com/borgbase/vorta