We can only edit a payroll transaction in QuickBooks if it's not yet submitted or processed, arlette05.

To help you amend the hours of an old pay stub, please contact our Payroll Support Team. Here's how you can reach out to them: 

1. Go to the Help menu in the upper-right hand corner of QuickBooks. 
2. Click Contact Us.
3. Enter a short description of your concern and click Continue.
4. select the option call our phone support or request a callback.

Don't hesitate to visit us again in case you need help in the future.