I want to change an email address that i have already filed? ?

To update your TurboTax account email:

1. Sign in to TurboTax and select Intuit Account on the left, just above Sign Out (you may need to scroll down; select the 3 white lines or Tax Home if you still don't see this).
2. Select Sign in & Security to update information like your user ID, password, phone number, or email. Or select Personal Info to update information like your name, address, or job.

Please click How do I update my TurboTax account information? to learn more.