You can transfer your 2023 tax file to online 2024.
How to transfer last year’s return? https://ttlc.intuit.com/questions/1900883
Sorry---that might have been an old bad link.
@tomDan83 wrote:
https://ttlc.intuit.com/community/home/misc/03/en-us
that link appears to be "broken"
Go to this TurboTax support FAQ for transferring the 2023 tax data on a computer to the 2024 online tax 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
Just came across this Can't transfer Desktop to Online error
https://ttlc.intuit.com/turbotax-support/en-us/help-article/tax-return/able-transfer-previous-year-tax-file-2024-tax/L5gw4MsDY_US_en_US