How do I deduct after tax contributions from IRA RMD payment

Please follow these steps to enter your basis (after-tax contributions to traditional IRA) from previously filed Form 8606:

1. Login to your TurboTax Account 
2. Click on "Search" on the top right and type “1099-R”
3. Click on “Jump to 1099-R”
4. Click "Continue" and enter the information from your 1099-R
5. Continue through the questions
6. On the "Your 1099-R Entries" screen after you entered all 1099-R click "continue"
7. Answer "yes" to "Any nondeductible Contributions to your IRA?" if you had any nondeductible contributions in prior years.
8. Answer the questions about the basis and value