What is Microsoft Edge Legacy?
support.microsoft.com › en-us › microsoft-edgeMicrosoft Edge Legacy is the EdgeHTML-based browser that is currently the default browser on Windows 10 PCs. Support for Microsoft Edge Legacy has ended on March 9, 2021. Learn more about end of support The new Microsoft Edge is based on Chromium and was released in January 2020. It's available on Windows 7, Windows 8.1, and Windows 10.
Edge Internet Explorer (IE) mode | Microsoft
www.microsoft.com › en-us › edgeMicrosoft Edge is built on the Chromium open-source project to provide world-class compatibility for modern sites and apps. Internet Explorer mode provides compatibility for your legacy sites and apps by supporting Internet Explorer functionality like all document and enterprise modes, Active X controls (such as Java or Silverlight), and more.