Future of the Mail and Calendar apps in Windows with Outlook

Next year we will be replacing the Mail and Calendar apps in Windows with the new Outlook for Windows starting in September 2024. There are no changes for now, but your users might see a MailTip in the Mail and Calendar apps letting them know of the change.  

How this will affect your organization:

For now and until September 2024, your organization won’t notice any changes but your users might see a MailTip in the Mail and Calendar apps letting them know that those apps will be replaced for the new Outlook for Windows and encourage them to try it. 

After this change is implemented in Sept 2024:

1. Users will no longer be able to use or download the Mail and Calendar apps.

2. Users with a Microsoft 365 or Office 365 subscription with access to the Microsoft 365 desktop apps can use the new Outlook for Windows.

3. Users will be able to use the new Outlook for Windows with any personal email account (Outlook.com, Gmail, etc) even without a subscription.

What you need to do to prepare:

There is nothing you do to prepare now, but we recommend you:

  1. Let your Microsoft Windows users know about the change to the Mail and Calendar apps
  2. Start trying and testing the new Outlook for Windows
  3. Read this support article – Getting started with the new Outlook for Windows
  4. Read this article communicating the change – https://support.microsoft.com/en-us/office/outlook-for-windows-the-future-of-mail-calendar-and-people-on-windows-11-715fc27c-e0f4-4652-9174-47faa751b199 

Message ID: MC590123


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I've been working with Microsoft Technologies over the last ten years, mainly focused on creating collaboration and productivity solutions that drive the adoption of Microsoft Modern Workplace.

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