If you choose to use TurboTax to complete a 2017 tax return, then you will need to purchase, download and install on a personal computer one of the 2017 desktop editions from this website - https://turbotax.intuit.com/personal-taxes/past-years-products/. It cannot be done on a phone.
A 2017 tax return must be can only be printed, signed and mailed. It cannot be e-filed.
