You can import wineprefixes from other third party managers.
Currently we support migration from these applications:
Bottles V1
Lutris
PlayOnLinux
You can access the import tools from the Bottles main menu by selecting the "Import/export" option.
The "Importer" window will open.
Clicking on the Refresh button () will launch a search for wineprefixes available for import.
Button allows you to import bottle backups created earlier (Backups & Duplicate).