@queenpat19 - contact that employer and ask for a duplicate W2
Save a PDF of the filed return and look at the 1040 ...
How to access prior online returns
https://ttlc.intuit.com/community/prior-year-return/help/how-do-i-access-my-prior-year-return/01/270...
Do you need your 2020 AGI in order to efile 2021?