Why does it say a negative amount owing next to a customer's name when I try to make a new invoice

Hi jonfield,

QuickBooks is great program for managing your payments and keeping your books organized. I'll be glad to give you a hand and steer you in the right direction.

In order to mark an invoice as unpaid again, you'll have to delete the payment on the invoice. To do this, open the invoice in question and click on where it says "1 payment made" at the top right to see the payment. From here you can delete the payment so it's not attached to the invoice. Doing this should correct the negative balance you're seeing next to the customer's name.

There you go! You now know how to mark an invoice as unpaid. Feel free to ask other questions by leaving a comment below. I'm here to assist.