Upper left where you see 2021 is actually a drop down to see all years available. Try selecting 2020.
Review (Check Return) for the 2020 returns to verify accuracy of conversion, then roll them to 2021 https://proconnect.intuit.com/community/customer-lists/help/how-do-i-proforma-or-roll-over-my-prior-...
Here's wishing you many Happy Returns
