Unhiding Selected Elements
To selectively unhide the elements that are hidden (but not deleted):
1. Click Annotation and then, in the Modify group, click Unhide Geometry.
2. Click Selected.
The elements that you have hidden using No Delete are displayed in a special highlight color.
3. Select the elements that you want to unhide or enclose the elements in a box
4. Click 
Confirm.
Confirm.