Included with: QuickBooks Desktop Pro, Premier, Accountant 2020 and Enterprise 20.0
Accessible: From the menu bar, select Edit > Preferences > Send Forms > Company Preferences. Select the appropriate template and click Edit, from the Insert Field button, select Customer-PO (subject)
Features: Modify the email template for customer invoices to include the Customer’s purchase order number in the subject line. Facilitate faster payment by the customer by simplifying the purchase order number lookup process when they receive emailed Invoices from within QuickBooks.