I'm pretty sure that .tt24 is a Canadian TurboTax file, not a U.S. TurboTax file. Are you using U.S. TurboTax for 2025 or Canadian TurboTax for 2025? Which did you use last year? You would not be able to transfer a 2024 Canada tax return into a 2025 U.S. tax return, or vice versa.
This is the U.S. TurboTax support community. If you are having trouble with TurboTax for Canada please post your question in the Canada TurboTax support community.
