The Add/Edit Customer Additional Info window is where you fill in the details for customers. To access the Add/Edit Customer Additional Info window, click Additional Info from the Edit Customer screen. Users with viewer-only privileges will be unable to edit this additional info. Opening Balance Enter the opening balance of the customer if there is.
Balance Due This is the current total balance due for the customer.
Oldest Date Due This is the due date of the oldest invoice of the customer.
Last Invoice This is the date that the last invoice for the customer was created.