If you used online TurboTax to prepare your past year returns, you will need to use the downloaded desktop software now if you need to prepare city returns. That software can only be used on a full PC or Mac, not on any kind of mobile device. And the returns can only be filed by mail. E-filing is permanently closed for past years.
https://ttlc.intuit.com/questions/2559403-how-do-i-finish-a-prior-year-return-that-i-started-in-turb...
If you already paid for your online software you can ask customer support for a download of the desktop software.
They are available from 5 a.m. to 5 p.m. Pacific time Mon-Fri
https://ttlc.intuit.com/questions/1899263-what-is-the-turbotax-phone-number
**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.**
