After you file

yes 

  • 1. Sign In to TurboTax Online
  • 2. Click "My TurboTax" menu
  • 3. Press "Visit My Tax Timeline"
  • 4. Under the "SOME THINGS YOU CAN DO" heading, choose "Add a state" (you're not really adding a state, this allows you to get back into your return).

 

 

you should always save a copy of your return as a PDF to your computer. in three years Turbotax discontinues support for that year's application so you can no longer open the return.