Get your taxes done using TurboTax

The adjustment for previously taxed U.S. Savings Bond interest does work in TurboTax.

Did you enter interest in Box 3 – Savings bonds and treasury int?

On the screen "Let’s get your 1099-INT or brokerage statement details" you will see a check box for My form has info in more than just box 1 (this is uncommon).

Check that box to enter an amount in Box 3