FAQ for Microsoft Teams

Here you can find a collection of frequently asked questions about working with Microsoft Teams.

The current version of Microsoft Teams provided to you is only a test scenario. It will be replaced (after an advance notice) with a final, adjusted instance at a later point in time. A migration of the test scenario is not intended.

Some of the information on this page is no longer up-to-date and the current version will be available shortly.



Which platforms is Microsoft Teams available for?
Which browsers are suitable for the use of the web client?
Is there a Linux app?
How can I add a new contact or a contact to my contact list?
Will detailed Microsoft Teams user guides be made available, e.g. on the ZID page or in the Wiki?

Account and registration


Should users register their Microsoft accounts on their own?
If I have already created an account on my own, does it need to be assigned permission retroactively?
Are registrations with a @univie.ac.at e-mail address automatically linked to the related tenant?
Can I register with another e-mail address and be linked manually to the tenant of the University of Vienna?
When I start Microsoft Teams, I see this message: „Someone has already set up Teams for your organization“ and I cannot access it. What should I do?

Teams and channels


How can I create a team?
How many teams can a user create?
How many teams can a user be a member of?
How many members can join a team?
How many owners can a team have?
How can I add a team owner?
What is the difference between a public and a private team?
What are channels?
How can I create a channel in a team?
Which characters must NOT be used when naming a channel?
How many channels can be created per team?
Where are the files stored that are shared in a channel?

Conversations and calls


How can I add external people or guests to video conferences?
How many people can attend a conversation?
What size of shared PowerPoint files is allowed?
How can I start a conversation in a team?
Wie kann ich meinen Hintergrund bei Videobesprechungen ändern?
Kann man ein eigenes Hintergrundbild einbinden, z. B. mit dem Logo der Universität Wien?

Calendar and Exchange


Is it possible to integrate Teams in the OWA calendar based on the current architecture?
What about migrating the calendar and e-mails from the cloud?
Exchange to Microsoft Teams, Teams to Exchange or a hybrid version – is anything planned or are there recommendations for users?
Does the calendar speak Dav? Can I embed a calendar that is visible to the world in a website (just like a Google calendar)?
Can I send event invitations to Linux?
How are links in e-mails forwarded?
Does it also work without Outlook calendar?

Data protection


Are the data available in Microsoft Teams currently stored in the Microsoft cloud or on the servers of the University of Vienna?
What are employees currently allowed to put online or discuss in Microsoft Teams and what not?
Why is the Microsoft Teams test tenant GDPR compliant (in German)?