By default, it places the catalog folder in the Pictures folder of OneDrive, so that OneDrive keeps synchronizing useless stuff…
If you decide to change this “feature”, just follow these easy steps:
1 – close Capture One application
2 – find the user.config file in your user profile, its path should be something like this:
3 – make a copy as backup
5 – move the folder Capture One Catalog from the old path to the new one.
6 – open Capture One application and it will use the new path for the Catalog