Besides using the direct drag and drop method, you can also move and copy topics using the Cut, Copy and Paste commands in Map view and Outline view. You can use this method to copy topics to another map, or to paste a topic as a callout.
To cut, copy and paste topics:
Select the topic you want to copy or move.
Press Ctrl+C
to copy or Ctrl+X to cut
or
Right-click and select Cut
or Copy.
(optional) Switch to the map you want to paste to.
Do one of the following:
Select the target topic (the pasted topic becomes a subtopic).
Select an empty space on the map (the pasted topic becomes a floating topic).
Press Ctrl+V
to paste
or
Right-click and select Paste..
To paste the topic as a callout:
Select the topic you want to copy or move.
Press Ctrl+C to copy or Ctrl+X to cut.
(optional) Switch to the map you want to paste to.
Right-click on the target topic and select Paste as callout.
Hint: A quick way to create a new map from selected topics is right-click and choose Send To - New Linked Map to export the topics to a new map.
Note: To import an entire map into another map use the Insert - Map option (in Map view only).