It's really easiest to enter this manually.
Please follow the instructions below to enter your winnings:
- Open (continue) your return in TurboTax.
- Click on Take me to my return box if applicable.
- Search for lottery winnings in search box.
- Click on Jump to lottery winnings link. This will also open up the option to enter a W-2g.
- Answer interview questions.
Visit the original post here.