Hello,

You can un-reconcile the Paid bill

Change the Status of the Bill to Draft and change the Account.

Post the bill and add the payment.

If it's from Expense, do it from the related Journal entry.

 this is not in the bills page, but in the expenses page and I don’t see any option to unreconciled expensethis is not in the bills page, but in the expenses page and I don’t see any option to unreconciled expenses