The TurboTax online editions are only for tax year 2017.
To complete a 2016 tax return using TurboTax you would need to purchase and download one of the 2016 desktop editions from this website - https://turbotax.intuit.com/personal-taxes/past-years-products/
A 2016 tax return can only be printed and mailed, it cannot be e-filed.
When a new tax return is started with the desktop editions the program will search for the prior tax year data files for you to transfer to the new tax return. If you do not want to transfer the prior year tax data then just click on the blue button Continue Without Transferring
