To Delete a Structure
1. Click > 
Edit Structure. The Structure Edit tab opens.
Edit Structure. The Structure Edit tab opens.2. Click 
Advanced Editing. A message to warn you that you can lose unsaved changes appears. Select Save or Discard to proceed.
Advanced Editing. A message to warn you that you can lose unsaved changes appears. Select Save or Discard to proceed.3. Select a node from the Structure Tree and click Delete. A message to confirm the deletion appears.
4. Click Yes. The node and its children are deleted.
5. Click Close Edit.