To add another state to your return in TurboTax Online:
- Sign in to TurboTax.
- Under Your tax returns & documents, select Show, and then select 2018.
- Now select Add a state (this reopens your return).
- Select State from the menu on the left (on mobile devices, tap in the upper-left corner to open the menu).
- On the Let's get your state taxes done right screen, select Continue and follow the onscreen instructions.
