Unfortunately, you can no longer e-file a 2018 return using TurboTax Online. Prior-year returns must be printed, signed and filed by mail. Additionally, you'll have to purchase the software in order to complete your return for printing. The TurboTax FAQ below will instruct you on completing a prior-year return that you started in TurboTax Online.
*Please click the thumbs-up icon if this response was helpful.
**Please click "Mark As Best Answer" if your question has been resolved. Thank you.