Get your taxes done using TurboTax

When you report your 1099K in TurboTax, check the box This amount in box 1a is too high or includes some personal transactions.

To report your 1099-k form:

1. Open your return
2. Go to Federal
3. Go Wages and Income 
4. Go to Other Common Income Tax refunds, 1099-G, 1099-NEC, 1099-MISC, 1099-K
5. Select start next to Form 1099-K

For more information check, Form 1099-K.