Whatever you do---do NOT mess with your 2020 return if you used online TT. Online TurboTax does not include the "what if" feature that is a feature of only the CD/download software. If you used the CD/download for 2020 you can use the what if feature in that program.
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
