ShareGate is enabled for Microsoft Teams. 

What is ShareGate?  ShareGate is used to ensure that any outside access to Teams is managed on a quarterly basis.

What do I need to do?  If you are a Team owner and your Team has a guest that is not an Auburn user, you will receive a chat in Teams from ShareGate requesting that you review your guest users’ access.

Below are examples of the guest review messages you will see:

 Below is an example of a chat you may receive in Teams.