17-11-2020 06:41:00 PM (GMT)
From 30 November 2020, users will be unable to access the Microsoft (MS) Teams web app from IE11 and be notified to use the desktop app or access the web app from Microsoft Edge.
However, you can continue to access MS Teams from other browsers for example, Chrome and Firefox, you are not limited to Edge.
Please note that the IE11 changes are specific to the MS Teams web app. IE11 remains a supported browser as a component of the Windows operating system and will follow the Lifecycle Policy for the product on which it is installed.
Please see further guidance on Microsoft Teams meetings on unsupported browsers .