Hello @woconnell77
Thank you for reaching out on the community and telling us about your issue. I do apologize for the issue you're having. You should be able to change the email address by going to Quicken.com and signing in the top right of the screen selecting my account. From there sign in and click Sign in & security. You should be able to change your email from here.
Let me know if this helps you out. If you're still having difficulties let me know!
Thanks,
Quicken Francisco