Thanks for dropping by, sandrapanter.
I'd be happy to help you print sales forms in a legal size paper via QuickBooks Online.
In order to print a legal sized paper on sales forms in QuickBooks Online, you'll set this up through your printer settings.
Let me show you how:
These articles are a good reference:
That's it. I wish you continued success with your business. Please let me know if you have any other questions about customizing sales forms in QuickBooks Online.