Finished entering my tax info on TurboTax Premier for Mac but not displaying any of the prior years history. I thought I had imported the data. So how to import now?

It is too late.  You have to transfer the 2022 tax file in to start 2023 before you enter any new 2023 information.  You cannot transfer it after you have already prepared the 2023 return. The only way would be to start over completely.