@joenblasi Both the Online browser versions and Desktop installed programs let you import even last year's program. Don't know what problem you had last year. Did you try asking for help last year? If you buy the Desktop program it has several advantages over the Online version.
Or are you asking about Transferring from your 2023 return into 2024? You can do that too. Even from Online to Desktop or Desktop to Online.
Sign in or start a new Online account here,
https://turbotax.intuit.com/personal-taxes/online
The Desktop program can do unlimited returns and efile 5 federal for free. You can buy the Desktop Download program here,
https://turbotax.intuit.com/personal-taxes/cd-download