Overview: To change the main part of the group, one must recreate the group in order to change group’s main part. But, this tool helps to change the main part with two simple steps and there is no need to recreate another group. Steps to follow: 1. Select the tool. 2. Now, to update the new main part of the group, select the any part of the group and then select the new main part from the existing group. 3. This will update the new main part of group.