When Internet Explorer users try to visit those sites the browser will redirect the URL and automatically open the site in Edge instead. This new forced behavior has been in the works for a while as Microsoft hopes to nudge users to start transitioning from Internet Explorer to their Chromium based Edge Browser. 

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Microsoft engineers have come up with a list of 1,156 sites where if an Internet Explorer user attempts to open they will get the forced redirect and opening of Edge. Of course, this is all being done due to compatibility issues with the aging web browser.  Although some may wish to stand their ground and not let go, Microsoft has given them away to evade and disable the forced redirect and they’ve published a group policy to explain everything which you can read here (opens in new tab). One sure way to avoid the issue is not to have both browsers installed on your workstation or computer. However, most times when there are updates to Windows 10, the Edge browser is also added to your system.  With most modern websites designed to take advantage of Chromium-based browsers, Internet Explorer’s time is soon coming to an end. It’s had a nice long run, it outlasted several of the main competitors from its heyday.