Services
Affected Platforms
Summary
Starting early 2026, Outlook for Windows will automatically display automapped calendars when switching from classic to new Outlook. The rollout requires no admin action and will complete by late March. Users previously had to access these calendars manually; the feature is enabled by default.
Details
Updated January 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:
Targeted Release: We will begin rolling out in early February 2026 (previously early January) and expect to complete by late February 2026 (previously late January).
General Availability: We will begin rolling out in early March 2026 (previously early February) and expect to complete by late March 2026 (previously late February).
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
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