If you use the Desktop program you can do many test returns and there is a What-If worksheet. You can download your online .tax2022 file and open it in the Desktop program to test in or copy.
You can buy the download desktop versions for the last 3 years from Turbo Tax here....
http://turbotax.intuit.com/personal-taxes/past-years-products.jsp
Or you can check for Turbo Tax for all years on Ebay or Amazon, etc.
