The Customize Forms (Setup) window allows you to select form layouts for customization. When you use the Customize Forms (Setup) window to customize a form layout, you can save the layout as part of a forms library that is available for later use.
This window has several views, each of which is accessible through a corresponding selection from the Setup > Customize Forms menu:
Customize Checks
Customize Paychecks
Customize W2s and W3
Customize Receipts
Customize Invoices
Customize Statements
Customize Purchase Orders
Customize Mailing Labels
Customize Payment Notifications
After you've used one of these views to choose a specific form or layout to customize, click the Customize button at the bottom of the window to access the Customize window for that form.
The Customize Forms (Setup) window provides access to all of the following windows: