Remove a Customer Record
- Make sure the customer's account has a zero balance.
 - Clear all transactions involving this customer (using the Clear Paid Customer Invoices on the Maintenance menu)
 - Make sure there is no outstanding sales orders or quotes for the customer.
 
To remove a customer:
- In the Home window, click Customers & Sales on the navigation pane.
 - In the Tasks pane, right-click the Customers icon and select Remove Customer from the menu.
 - Select a customer from the list and click OK.