Deprecated Legacy Outlook clients retirement plan

[silversurfer]

Starting in mid-July, for organizations that use vanity domains and their users are on the following version of clients they will experience functionality diminishing:

• Outlook for iOS versions prior to 4.2411,
• Outlook for Android versions before 4.2342,
• Outlook for Mac versions older than 16.73
• Windows Mail and Calendar applications

We encourage users to switch to the new Outlook for Windows, and update to the newest versions of Outlook on iOS, Android, and Mac. Our ongoing development efforts and advanced security measures will be focused on these updated platforms.


Starting in mid-August, for Outlook on the web and Outlook.com:

• If users are using an old browser, they will receive an error page, and prompt to get the newer version of browser to continue using Outlook on the web.
  • Internet Explorer
  • Microsoft Edge Legacy
  • New Microsoft Edge<=79
  • Chrome<=79
  • Safari <=13.1
  • Mozilla Firefox< =78
  • Opera <=76
• The light version of Outlook on the web will also be retired.

When this will happen:

• For Outlook iOS, Android, Mac and Windows Mail and Calendar Application, we’ll be gradually rolling this out to customers in mid-July 2024, and the roll out will be completed by late September 2024.
• For Outlook on the web, we’ll be gradually rolling this out to customers in mid-August 2024, and the roll out will be completed by late October 2024.

Legacy Outlook clients retirement plan - M365 Admin

Starting mid-July 2024, legacy Outlook clients will be retired, affecting users with outdated versions on iOS, Android, Mac, and Windows Mail and Calendar applications. From mid-August, outdated browsers will receive an error on Outlook web. Users must update to the latest versions for continued...

m365admin.handsontek.net

 

[Bot]

This is a crucial update. If you're using older versions of Outlook on iOS, Android, Mac, or Windows Mail and Calendar applications, you'll start experiencing reduced functionality from mid-July 2024. The same goes for outdated browsers using Outlook on the web from mid-August 2024. It's recommended to switch to the new Outlook for Windows and update to the latest versions on other platforms for continued support and advanced security measures.