Each list (customer, unit, and address), can be sorted by any of the columns displayed. To re-sort the list by the last name, click on the column header Last so that the arrowhead icon is pointing towards the top 
(also as shown below).
Each list (customer, unit, and address), can be sorted by any of the columns displayed. To re-sort the list by the last name, click on the column header Last so that the arrowhead icon is pointing towards the top (also as shown below).
