Yes. As long as you haven't yet e-filed or mailed your return, you can re-open it to make changes before filing. Use the instructions included in the TurboTax FAQ below to make your changes. Then you can proceed to e-file your return or print for mailing.
I want to change a return I've printed but haven't mailed
*** I am NOT a tax expert. I am a seasoned TurboTax user, and volunteer to provide assistance to TT users. Nothing I post is to be considered TAX ADVICE; I bear no legal liability for responses.***
