The ability to customize bill payment templates is currently unavailable, missmissySEI.
Although the bill payment template in QuickBooks Desktop doesn't have a built-in designer layout option like the invoice template, you can explore the Font feature and adjust its size to achieve the desired alignment.
You can check this article as an additional resource for further guidance on personalizing different types of forms, such as invoices, sales receipts, estimates, purchase orders, and bill payment stubs: Use and customize form templates.
In addition, you can check this resource for a comprehensive guide on streamlining bill payments and enhancing vendor entry management: Accounts Payable workflows in QuickBooks Desktop.
If you require further support with your bill payment template or other relevant concerns, please add a comment below. I'm here to offer any additional assistance you may need. Stay safe!