You need to just start a new account with a new user ID. It is way too messy and hard to use the account you have used for married returns when you have become single. The "spouse stuff" will cause errors and filing problems for you.
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.**
