MC906502 – M365 Change Digest

One-line summary

Users will soon automatically see their automapped calendars when switching from classic to new Outlook for Windows, starting rollout at end of May 2026.

Similar updates

Details

RoadmapIds

415168

Summary

Starting end of May 2026, users will automatically see their automapped calendars when switching between classic and new Outlook for Windows. This feature is enabled by default, requires no admin action, and rollout will complete by end of June 2026. Users should be notified and documentation updated accordingly.

Platforms

Desktop

Body (from Message Center)

Updated May 7, 2026: We have updated the timeline. Thank you for your patience.

Coming soon: Users will be able to automatically see their automapped calendars when toggling from classic Microsoft Outlook to new Outlook for Windows. This message applies to classic Outlook for Windows desktop and new Outlook for Windows desktop.

This message is associated with Microsoft 365 Roadmap ID 415168.

[When this will happen:]

General Availability: We will begin rolling out end of May 2026 (previously May) and expect to complete by end of June 2026 (previously end of May).

[How this will affect your organization:]

Before this rollout, users were not able to see their automapped calendars when toggling from classic Outlook to new Outlook.

To access an automapped calendars, users can go to Microsoft Outlook > Calendar icon on left of screen > My Calendars > Automapped calendar.

This feature is on by default.

[What you need to do to prepare:]

This rollout will happen automatically by the specified date with no admin action required before the rollout. You may want to notify your users about this change and update any relevant documentation.

Learn more

The section called Use the shared calendar from the shared mailbox in Open and use a shared mailbox in Outlook - Microsoft Support
Definition of automapping: Remove automapping for a shared mailbox - Outlook | Microsoft Learn

#newoutlookforwindows

Raw JSON (for debugging)

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      "RoadmapIds": "415168",
      "Summary": "Starting end of May 2026, users will automatically see their automapped calendars when switching between classic and new Outlook for Windows. This feature is enabled by default, requires no admin action, and rollout will complete by end of June 2026. Users should be notified and documentation updated accordingly."
    },
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