The Online program is only for the current year so you have to buy the Desktop
CD/Download programs here and you need a separate program for each tax year ... see the tabs to change years....
https://turbotax.intuit.com/personal-taxes/past-years-products/
Or you can get the blank forms from the
IRS and do them by hand. Either way you will have to print and mail
prior year returns. And send each year in a separate envelope so the
IRS doesn't miss any.
