Microsoft ended all support for Internet Explorer June 15, 2022.

Internet Explorer Retirement Dates:

17-08-2020	This announcement
30-11-2020	MS Teams ended support for IE 11
31-12-2020	Azure DevOps Services ended support for IE 11
31-03-2021	Azure Portal ended support for IE 11
17-08-2021	Microsoft ended support for IE 11 across web services: Office 365 - OneDrive Outlook
15-06-2022	Microsoft ends all support for IE 11

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Earlier Announcements

Windows 11 Removes Internet Explorer

Reported 24-06-2021: Internet Explorer is disabled in Windows 11 Source: Windows 11 specifications

Windows 10 Replaces Internet Explorer

Reported 15-06-2020: Internet Explorer is "replaced" by Edge in Windows 10 -

Internet Explorer Retires

Reported 15-06-2020: IE 11 goes out of support on June 15 2022 -

Microsoft Edge Legacy

Edge was the default browser for Windows 10.

It was built with Microsoft's browser engine EdgeHTML and their Chakra JavaScript engine.

The first versions of Edge (12-18), are now referred to as "Edge Legacy".

The Microsoft support for Edge Legacy ended on March 9, 2021.

Future Windows updates will replace Edge Legacy with The New Edge.

Retirement dates published August 17, 2020:

31-12-2020	Azure DevOps Services stops supporting Edge Legacy
09-03-2021	End of Windows updates for Edge Legacy
13-04-2021	Future Windows updates will remove Edge Legacy

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The New Edge

The new Microsoft Edge is Chromium based with Blink and V8 engines.

It was released in January 2020, and is available for Windows 7, 8, and 10.

It can also be downloaded for macOS, iOS, and Android.

The new Edge follows the Modern Lifecycle Policy (updates on an approx. six-week cycle).

Google

Google Ad Manager

As of March 28, 2022, Google Ad Manager no longer supports ad serving for Internet Explorer versions 11 and below.

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Google Search

As of October 1, 2021, Google Search no longer supports Internet Explorer 11.

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Google Workspace

As of March 15, 2021, Google Workspace no longer supports Internet Explorer 11.

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Old Operating Systems

Internet Explorer 11 is still a component in some old Windows operating system and follows the Lifecycle Policy for these products:

System	Default Browser
Windows 7	Internet Explorer 11
Windows 8.X	Internet Explorer 11
Windows 10	Internet Explorer 11
Windows Server 2012	Internet Explorer 11
Windows Server 2012 R2	Internet Explorer 11
Windows Server 2016	Internet Explorer 11
Windows Embedded Standard 7	Internet Explorer 11
Windows Embedded POSReady 7	Internet Explorer 11
Windows Thin PC	Internet Explorer 11
Windows Embedded 8 Standard	Internet Explorer 11
Windows 8.1 Industry Update	Internet Explorer 11

Old Applications

Some old PCs (like in public libraries) are still using Internet Explorer.

Some legacy web applications are using Internet Explorer.

Some legacy web applications are using Internet Explorer runtime DLLs.

Some AJAX based applications are using Microsoft ActiveX components.

In order to ease the migration from Internet Explorer, Microsoft Edge offers Internet Explorer Mode, providing backward compatibility and enabling customers to continue to run legacy web applications.