SweetieJeanAnswer
Alumni - Champ
June 4, 2019
You cannot use TT online to do 2016 or 2017, which must be filed by mail. Go here to purchase and download the 2016 and 2017 desktop software.
2016: https://turbotax.intuit.com/personal-taxes/past-years-products/2016/
2017: https://turbotax.intuit.com/personal-taxes/past-years-products/