Summary
When you start the legacy version of Microsoft Edge, you receive a notification stating support of this version ended on March 9, 2021. After March 9, 2021, the Microsoft Edge Legacy desktop application will not receive new security updates.
More information
To suppress the deprecation notification for the Microsoft Edge Legacy application, change the "Suppress the display of Edge Deprecation Notification" group policy setting to Enabled. For more information about the SuppressEdgeDeprecationNotification policy, see the Browser/SuppressEdgeDeprecationNotification topic of the Policy configuration service provider on the Microsoft Learn website.
References
For more information about the end of support for Microsoft Edge Legacy, see the following articles:
-
Microsoft 365 apps say farewell to Internet Explorer 11 and Windows 10 sunsets Microsoft Edge Legacy
For information about the end of support for all Microsoft products, see here.