After you file

If you filed timely in 2024, you need the Adjusted Gross Income from line 11 to file 2025. if you used TurboTax online in 2024 see this page for account recovery. 

https://turbotax.community.intuit.ca/turbotax-support/en-ca/help-article/login-password/recover-intu... 

You can also use the IRS website by registering to see what it shows for 2024 - account transcript

https://sa.www4.irs.gov/sso/?resumePath=%2Fas%2FlOzdyChIil%2Fresume%2Fas%2Fauthorization.ping&allowI... 

As a last resort, you can say you didn't file in 2024. if nothing works, that leaves mailing as the only option