August 17, 2021: Support is now unavailable for Microsoft 365 apps and services on IE11. Additionally, you should expect no new features when accessing Microsoft 365 apps and services on...
Updated Nov 09, 2023
Version 10.0
Blog Post
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Microsoft 365 apps say farewell to Internet Explorer 11 and Windows 10 sunsets Microsoft Edge Legacy
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I understand that we will no longer be able to use the "Open in File Explorer" option from SharePoint in the browser, but how will this affect mapping a drive to SharePoint libraries, or using a URL to directly access SharePoint sites through File Explorer?
I know File Explorer depends on the WebClient service for that, but I think that ActiveX is only pertinent to browsers and not used for File Explorer.
If ActiveX is the limiting factor here and only relevant to File Explorer by means of SharePoint's IE button, I guess the biggest question for me is how will web credentials be handled once this change happens?
Will we still be allowed to sign in to Microsoft 365 and just not be able to make use of the apps? Or will login.microsoftonline.com reject all of our web calls made from IE11?
This is an enormous concern for many of Microsoft's customers and hopefully we can get some more clarity surrounding this specific topic.