Directions on how to enter RRSP contributions in the first 60 days of the year can be found in our TurboTax FAQ/video: How do I enter RRSP contributions in TurboTax Online?
Because they were not claimed in your 2022 tax return, an adjustment will need to be done as explained in this TurboTax article: How to Change Your Tax Return After You’ve Filed
Thank you for choosing TurboTax.
