Note: Microsoft 365 apps will soon stop working in Internet Explorer 11

Starting August 17, 2021, Microsoft has notified Microsoft 365 customers that web apps will not work properly when using Internet Explorer 11.

In February, Microsoft warned its customers to prepare for the decline in support for IE 11 in major Office apps from August 17th. We first announced the end of M365 / O365 support for IE11 on August 17, 2020.

“After August 17, 2021, Microsoft 365 apps and services will no longer be supported … IE11 and users may experience poor or unreachable experiences with these apps and services. Apps and services will be phased out in a few weeks, each app and service will be phased out on a separate schedule, and it will take months for support to end smoothly, “said the latest warning note. I am.

“If you have problems accessing Microsoft 365 apps and services from IE11 after August 17, 2021, support will not be available. In addition, you can’t expect new features and apps and services will be offered. Until then, your daily experience may gradually deteriorate. You have been disconnected. “

Separately, IE will end support for many versions of Windows 10 on June 15, 2022, encouraging customers to move to the new Chromium-based Microsoft Edge browser.

Edge has IE11 compatibility for viewing Outlook content and consists of the full version of IE’s older Trident engine running in the Edge tab. As ZDNet’s Simon Bisson points out, this is cumbersome for admins to maintain and nearly impossible for those who are restricted to working from home.

In an updated blog post, Microsoft states that Outlook Web App users have two different experiences, depending on the type of account using Active Account Directory (AAD) or Microsoft account to log in.

“Users logged in with an AAD account will continue to have the full OWA experience, but new features will not be available after August 17, 2021, but users logged in with a Microsoft account (MSA) will not be able to use Outlook Web. You’ll be redirected to the AppLight experience, “says Microsoft. ..

To access the document library[エクスプローラーで開く]or[ファイルエクスプローラーで表示]There are also some changes due to SharePoint features such as.

“To avoid confusion, these customers can use these features for now when accessing the IE11 documentation library. These features remain in maintenance mode and have not undergone further development. “Hmm,” said Microsoft.

However, we recommend that all customers migrate to the latest browsers and prepare SharePoint for the end of support in IE11. Microsoft has posted documentation to help administrators prepare their SharePoint environment.

Note: Microsoft 365 apps will soon stop working in Internet Explorer 11

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