To get started, install the QuickBooks integration.
Once you have authorized and installed the app, you will see all unpaid QuickBooks invoices with a balance due.
Click on an invoice to preview it and send a paper copy to the shipping address on file.
To send this invoice, click "Mail this invoice"
Check to ensure your customer's address was properly imported. Please make sure that you have set your customer's shipping and billing addresses in QuickBooks, and that states use the correct 2-letter abbreviation code.
When you are ready to send the invoice, click "Send letter", and you're done!