Do I have to sign out of TurboTax to E-file
You can follow the instructions below to change that return to e-file instead of having to mail it in.
https://ttlc.intuit.com/replies/5561257
4. Select 2018, and then select Add a State (you're not actually adding a state, this just gets you into the right menu). Why so deceptive? It's practices like this that ensure I'll never use TurboTax again.