A 2017 tax return cannot be e-filed, only printed and mailed. The Free online edition and the Free File Program software is only for tax year 2018.
To complete and file a 2017 tax return using TurboTax you would 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/
Free federal forms, schedules and instructions are available on this IRS website - https://apps.irs.gov/app/picklist/list/priorFormPublication.html
