It didn't ask you to transfer from 2019 when you started? Do you have the 2019 tax file on your computer? It ends in .tax2019 and should be in your Documents.
How to find tax files on Mac
https://ttlc.intuit.com/community/tax-data-file/help/find-your-tax-data-file-in-mac/00/26206
If you want to transfer you will have to start over with a new return. How to transfer into Mac Desktop
https://ttlc.intuit.com/community/tax-data-file/help/how-do-i-transfer-last-year-s-return-into-the-t...
