How do I go back and change a mistake on my state return when you consider it ready to print?

Follow the steps below:

1. Sign into your account.
2. Click on the My TurboTax menu
3. Select  Visit My Tax Timeline .
4. Under SOME THINGS YOU CAN DO click on Add a state. (You are not adding a state to your return.  This allows you to get back into your return).

The estimates state taxes paid are enter in the Federal Taxes section. They will flow through to your state return. So you will be changing the federal and state tax return.

• In TurboTax, open your tax return and click on Federal Taxes, then Deductions & Credits
• Under All Tax breaks, locate the section named Estimates and Other Taxes Paid and click Show more
• Click on Start next to Estimates
• On the next page, click Start next to State estimated taxes for 2016.