Once you are logged into Turbo Tax Online, you will see a list of tabs on the left hand side of your screen, beginning with 2021 taxes, my info, federal and the list goes down. You should see "intuit account" on the bottom left hand side of the screen. Click that and you will see a box labeled "sign in and security." From there you will see your email on file.
Here is a link for further guidance. What is the Turbo Tax phone number?
