TurboTax supports tax years 2013 thru 2016.
For prior tax years, 2013 thru 2015, you would need to purchase, download and install on your personal computer one of the desktop editions for the tax year needed from this website - https://turbotax.intuit.com/personal-taxes/past-years-products/
Prior year tax returns can only be printed and mailed, they cannot be e-filed.
