Reminder: Microsoft 365 apps and services ending support on IE11 after August 17, 2021
As communicated in MC220490 (August ’20), Microsoft 365 apps and services will be focusing their efforts on modern browser support over the coming year. As a result, Microsoft 365 apps and services will no longer support Internet Explorer 11 (IE11) after August 17, 2021; after this date, Microsoft 365 apps and services will be unable to connect, or have a degraded feature experience, when accessed on IE11.
For a full list of Microsoft apps with intentions to end support on IE11, please see this Docs page.