Move an event to another calendar in Ted4 and Fred4
1.Locate an event as explained in Locate events.
2.On the Events navigator, display two listings - first, where the event is now; second, where you want to send the event (target listing).
3.Drag event to the target listing.
Move an event to another calendar in GN4 browser
This functionality is not part of the standard configuration, but it can be easily added.