Quickbooks Online Customize Invoice Numbers. Click the gear icon in QuickBooks and then click on "Sales Form Entry." In the Custom Numbers section, check the box next to "Custom transaction numbers" and then click "Save." You can now edit all number. This is a quick tutorial showing how to turn on Custom Transaction Numbers in QuickBooks Online, which allows a user to enter invoice numbers when creating.
You can customize the style of invoices, sales receipts, and estimates, plus you can control which data entry fields are available on sales forms.
In Proforma Invoice QuickBooks Online (QBO), there is no separate Proforma form template.
To print page numbers on the invoice. Use print preview to check for additional changes. Check Custom Transaction Numbers under Sales Form Content and then Save it.