After you file

Yes, you can review your entries for your W-2. Here's how: 

1. Sign into your TurboTax Deluxe online account.
2. Scroll to the bottom and select "add a state" (this will not actually add a state, but allow you access to your entries).
3. On the upper right select search, and type W-2, then select "jump to W-2"
4. Select "edit" beside each W-2 to review your entries (box 4 and box 6)