To edit multiple switches, go to
Ribbon: DM Electrical->Devices-> 
Edit Multiple Switches
Pulldown Menu: DM Electrical->Switches->Edit Multiple Switches
You will be prompted to select the switches to be edited.
Select switches to edit:
The Edit Multiple Switches dialog box will appear.
Edit Multiple Switches Dialog Box
Changes can be made to the switches in the same way as when they were inserted. See the Insert Switch section for more information.