It is possible to combine two or more quotes or orders and convert them to an invoice. If the user selects two or more quotes or orders from different customers, they will be warned that different customers have been selected, and then given the option to select which customer the quotes or orders should be recorded to.

To view the Orders list, select the Sales Orders->View menu option. To view the Quotes list, select the Quotes->View menu option. Select two or more quotes or orders using the Shift or Ctrl keys, then click the Invoice icon on the toolbar. When prompted, select which customer account the invoice should be recorded to.

Customer:

Select a customer from the list.