You will need to print and mail.
If you are not already using a TurboTax CD/Download product, you will need to use on because on-line does not support prior returns.
For product information, follow this link:Past Years
Products
To move from Online to Desktop:
1. Save your online return as a tax data file.
2. Sign out of
TurboTax Online.
3. Install your
2017 TurboTax software.
o If you have not purchased TurboTax
Desktop software, click here to select the product you need to complete
your return.
o Important: If your
return includes a state, make sure you also install the corresponding state
program(s), otherwise you'll get Error 539.
4. Once
installed, choose File > Open
Tax Return in the software program.
5. Browse
to where you saved your .tax2017 file and click Open.
6. If you get an error, delete your
tax data file and repeat these steps from the beginning.