You should start a new account with a new user ID. If you use the same account that was used for past year joint returns, there is embedded "spouse stuff" that will drive you nuts and give you errors as you try to prepare your return.
https://ttlc.intuit.com/community/using-turbotax/help/how-do-i-start-another-return-in-turbotax-onli...
**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.**
