Good discussion everyone. I’ll give a possible easy-plan, then tiptoe into something a little harder.
But first, maybe a look at what’s actually going on…
Can you look to see what’s growing? If it’s the database (random-letters.sqlite), this topic is active:
Reducing size of sqlite databases
The Database menu also lets you move your database. Type its new path, click, and it gets moved.
There are few large files in AppData folder IIRC. Duplicati-server.sqlite is tiny. It’s just configuration.
–server-datafolder option or DUPLICATI_HOME environment variable documented there can do it.
You can see that at the migration to service directions link, but it doesn’t need a service to be used.
This plan is a bit tidier than moving just database, but likely requires a shortcut edit or new variable.
This should leave @smokingbenji with a few possible options. See what you think, ask as needed.