Change Account Details
You can change your password, login name, and email address at https://abbuc.de/change.
Requirements
You must be logged in. If you are not yet logged in, go to https://abbuc.de/login first.
Steps
- Open https://abbuc.de/change
- Enter your member number and your current password. This confirms your identity.
- Fill in the new values in the "Changes" section:
- New login name – only available if your current login name is in the
form
Firstname.Lastname. Allowed characters: letters (A–Z, a–z), digits (0–9), hyphen (-), and underscore (_). - New password – must be entered twice.
- Email address – used for future notifications.
- Click Speichern / Save.
Fields you leave empty (or the login name field if left unchanged) will not be modified.