You can change your email address for login. To do this, carry out the following steps:
- Log in as usual and click on 'Change my login details' at the top right of the user menu (icon like a person).
- Now select the 'Login & Security' tab at the top left.
- Click on 'Account Details'.
- Click on 'Change' next to the email address.
- Follow the instructions on the screen.
For more information and instructions, see the help page for the eIAM login service: CH-LOGIN HELP — eIAM, Identity & Access Management of the Federal Administration