Under https://outlook.office365.com/mail/ with the Microsoft 365 account (Username@az.haw-landshut.de) sign in (More Details https://wiki.it.haw-landshut.de/doku.php?id=faq:software:office365-useathome_2).

Click on the gear icon in the top right corner next to your profile picture.

Then, in the window that opens, click on E-mail→Forwarding and click on the button for Activate forwarding and then enter the normal e-mail address of the university account (Firstname.Surname@haw-landshut.de).

Deutsche Version: Weiterleitung der Office365-Emailadresse an @haw-landshut.de-Adresse