Distribution lists may need to be deleted. Easily delete distribution lists as they are not longer needed. This will aid in keeping keeping the lists current.
Click the Email icon on the navigation menu on the left.
. Click the red Administration icon and select Distribution lists.
3. Locate the needed list. Click the magnifying glass to view the list, the pencil icon to edit it and the trash icon to delete the list.
4. In the Delete Distribution List window, click Yes to delete.