The support folder

The support folder stores Rhino render content libraries (materials, environments, and textures) and plug-in information.

The path of the support folder:

~/Library/Application Support/McNeel/Rhinoceros/<Version>

The setting file

The setting file stores the settings of the Rhino app and commands.

The path of the setting file:

~/Library/Preferences/com.mcneel.rhinoceros.<Version>.plist