Wanting to update some income figures on my 2023 return. Returns have not been filed. Unable to work through 2023 return on left tool bar.

To access your current or prior year online tax returns sign onto the TurboTax website with the User ID you used to create the account - https://myturbotax.intuit.com/

When you sign onto your online account and land on the Tax Home web page, scroll down and click on Add a state. 

This will take you back to the 2023 online tax return where you can make changes as needed.