clicking an Internet Explorer icon will launch Microsoft Edge, and this is a behavior that cannot be changed 

Microsoft is finally killing off Internet Explorer 11 with an Edge update 

Internet Explorer 11 has retired and is officially out of support—what you need to know | Windows Experience Blog 

June 15, 2022, is the day that Microsoft will stop supporting most versions of Internet Explorer 11, and organizations should have ensured that they ready for its retirement. But are they?  

Test IE mode in Microsoft Edge with Internet Explorer Driver 

The future of Internet Explorer on Windows 10 is in Microsoft Edge 

Today, we’re announcing that Microsoft 365 apps and services will no longer support Internet Explorer 11 (IE 11) by this time next year.

• Beginning November 30, 2020, the Microsoft Teams web app will no longer support IE 11.
• Beginning August 17, 2021, the remaining Microsoft 365 apps and services will no longer support IE 11. 

High-level architecture of browser

The below image shows the main components of a web browser: 

Free yourself from Internet Explorer 11 in places where (almost) nobody uses it. 

A Microsoft exec has warned that Internet Explorer is a ‘compatibility solution’ and should only be used selectively. Preaching to the choir here, and this is, we suspect, the very end of IE's long story for us.