ACCESS TO TEAMS AS A GUEST (ALL NOT AAU EMAIL ACCOUNTS)
When you are invited as a guest to Teams, you must have created a Multifactor validation, and below is the guide to how it is performed.
When you click on the link in the email, you hit this screenshot, and here you can choose to open Teams in the web version or in your teams client.
(It is a requirement that it is set up as a Microsoft account. This can be done here: www.microsoft.com/ press sign up for free, after creation start over with the wizard)
Now you will be able to see this in the top right next to your username, both in the web and in the client version.
Select Aalborg University. (Guest)
You will then be taken to this window:
You now have 2 options.
Read below about SMS verification and verification via the Authenticator app.