To Control Selectability for a Specific Group

1. Click Home tab Groups panel (expanded)Group Manager. Find
2. In the Object Grouping dialog box, under Group Name, select a group.
3. Under Change Group, click Selectable.

   In the list of groups, under the Selectable column, you can see the setting for each group: Yes means you can select the group as a unit; No means the objects in the group are selectable only as individual objects.