Form 8606

You will need to continue after you entered all Form 1099-Rs and then get the screen "Tell us the Value of all of Your Traditional IRAs":

1. Click on "Search" on the top right and type “1099-R”  
2. Click on “Jump to 1099-R”
3. Click "Continue" and enter the information from your 1099-R
4. On the "Review your 1099-R info" screen click "Continue" after adding all Form 1099-R
5. Answer "Yes" to "Any nondeductible Contributions to your IRA?" if you had any nondeductible contributions in prior years.
6. Answer the questions about the basis from line 14 of your 2023 Form 8606 (or last filed Form 8606) and the value of all traditional, SEP, and SIMPLE IRAs on December 31, 2024.