As a Patriot Software Payroll customer, you now have the option to print the employee name and address directly on the paychecks, so the address displays through a window envelope for mailing.
For more details, see the following help articles:
If you use pre-printed check stock, see How Do I Format Items on my Paychecks?
If you use completely blank check stock with MICR toner, see How to Print Paychecks Using Blank Check Stock