Groups of elements can be ungrouped in order to edit the individual elements making up the group.
- In the drawing area, select a group.
- Click Modify | Model Groups tab

Group button 
Ungroup option.
Note: Use the Edit Group option under Modify | Model Groups tab 
Group button to add or remove elements from the group, or attach detail group.

Group button to add or remove elements from the group, or attach detail group.
