Internet Explorer 11 and Microsoft Edge Legacy browsers will not be available for Business Central modern clients from April 2, 2021.
Microsoft Edge is a new technology that offers backward compatibility and is much more renewed comparing to Edge Legacy.
It concerns organizations using Business Central online and customers willing to upgrade. It should be done until April 1, 2021.
You can follow instruction Introducing the new Microsoft Edge while upgrading your browser. Some of the new benefits are the following:
Article publication source:
https://cloudblogs.microsoft.com/
dynamics365/