Some paid tax professionals might still be able to e-file a past year tax return, but it cannot be done using TurboTax. If you want to use TurboTax to prepare your past year returns you will have to file them by mail. Each year needs its own separate envelope. Do not try to combine them in any way.
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
