Microsoft has announced that support for Internet Explorer 11 will end August 17, 2021. At that time, all products under the Microsoft umbrella which may currently still use Internet Explorer, such as Outlook, OneDrive or Office 365 will stop supporting the browser.Support for Internet Explorer within the Microsoft Teams web app ends November 30 of this year. Meanwhile, the legacy edition of Microsoft Edge is set to end March 9, 2021.
Source: PC Gamer