Also, in addition to needing the *.tax2023 data file, you can only transfer into a brand new return. Did you follow these steps?
FAQ: How do I transfer last year's return into the 2024 TurboTax software for Mac?
https://ttlc.intuit.com/turbotax-support/en-us/help-article/data-systems/transfer-last-year-return-2...
