Hi there, a Proforma Invoice is usually used when exporting products, to confirm the details of the products to be ordered, and request a split deposit/balance payment from the buyer.

The new QuickBooks + IncoDocs integration has been added to the app store.  QuickBooks users can connect to IncoDocs and instantly sync Invoices and Purchase Orders to IncoDocs templates, without re-typing any information.  IncoDocs allows exporters to easily create sales and shipping documents required for global trade, from Proforma Invoices, Commercial Invoices, Packing Lists and other shipping documentation.

Here is the link to the app store listing:  https://quickbooks.intuit.com/app/apps/appdetails/incodocs/

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I hope that helps.  Happy Shipping!