Got this here: https://ttlc.intuit.com/questions/3923162-can-a-person-modify-already-printed-returns-before-mailing...
Will copy and paste below. It worked for me, though I had to log out a couple times. It kept telling me I couldn't amend yet when clicking "Add State"...
Yes, if you have not yet e-filed or mailed the return, you can go back in and make changes before filing.
You can get back into your return using the steps here below:
Got this here: https://ttlc.intuit.com/questions/3923162-can-a-person-modify-already-printed-returns-before-mailing...
Will copy and paste below. It worked for me, though I had to log out a couple times. It kept telling me I couldn't amend yet when clicking "Add State"...
Yes, if you have not yet e-filed or mailed the return, you can go back in and make changes before filing.
You can get back into your return using the steps here below: