If you are a member of the Teams Public Preview or Microsoft 365 Targeted release you can now take control of screen sharing in Teams for the web. You can take control of screen sharing even if the other call participants are not members of Teams Public Preview or Microsoft 365 Targeted release. To use the new feature, IT admins must enable Show preview features in Teams client for the Public Preview, and for Targeted release, admins can go to the Microsoft 365 admin center and give access to