You can save your return and go back to it later. See the following Turbo Tax FAQ:
https://ttlc.intuit.com/replies/3301211
If you haven't finished filing your return, and would like to pick up where you left off, follow the steps below:
- Sign into your TurboTax account
- Click Take me to my return
- Choose Pick up where I left off
If you do not see those options:
Try this work around:
1. Sign into your account.
2. Click on the My TurboTax menu ( See attachment) and select Visit My Tax Timeline .
3. 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.)