When you are finished using a desktop, you can disconnect and log off from it.

You can disconnect and log off from a virtual desktop from the Start menu in the desktop or from the desktop selection list.

If files are open in the virtual desktop, save and close them.

Disconnect from the desktop.
Option
Action
From the Start menu in the virtual desktop Select Log Off to disconnect and log off.
From the desktop selection list Click the Action menu (with the gear icon) and select Log Off.