Open a web browser and log into teams.microsoft.com/ with your O-Key account credentials.
Click the Ellipses to the right of a team to open a drop down menu. Click Manage
Team.
This will open the Microsoft Teams Page
Click the Members link.
Click on the (X) to the right of the member you wish to remove.
Your member has been removed. The command will return immediately, but the Teams
application will not reflect the update immediately. The Teams application may need
to be open for up to several hours before changes are reflected.