I hit file by mail before I was finished with my return - I still need to update my return but I don't want to amend is there a way to get back to my original return?

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

Scroll down to the bottom of the screen and Click on Add a state

This will take you back to the 2017 online tax return where you can make changes, additions or deletions