See this TurboTax support FAQ for transferring the 2023 tax data to the 2024 online return - https://ttlc.intuit.com/turbotax-support/en-us/help-article/import-export-data-files/transfer-last-year-return-turbotax-online/L279eUvY2_US_en_US?uid=m5zp3vbh