MC1192258 – M365 Change Digest

One-line summary

Microsoft 365 Copilot chat will let Copilot-licensed users RSVP to meetings directly in chat starting by mid-January 2026; feature is on by default and needs no admin action.

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Details

Summary

Microsoft 365 Copilot chat will allow users to RSVP to meetings directly with options like Accept, Decline, Tentative, Follow, or Remove canceled meetings. This feature, enabled by default without admin action, will roll out globally from mid-January to end of April 2026.

Body (from Message Center)

Updated April 8, 2026: We have updated the timeline. Thank you for your patience.

[Introduction]

We’re introducing a new capability in Microsoft 365 Copilot chat that allows users to RSVP to meetings directly within the chat experience. This enhancement simplifies meeting management by enabling quick responses such as Accept, Decline, Tentative, Follow, or Remove canceled meetings—all without leaving Copilot chat.

[When this will happen]

General Availability (Worldwide, GCC and DoD): Rollout will begin by mid-January 2026 (previously early January) and is expected to complete by end of April 2026 (previously mid-February).

[How this affects your organization]

Who is affected: Users with a Microsoft 365 Copilot license.
What will happen:
- Users can RSVP to meetings directly from Copilot chat:
- Supported actions include Accept, Decline, Tentative, Follow, and Remove canceled meetings:
- This feature will be ON by default for all tenants.
- No admin configuration is required; existing policies remain unchanged.

[What you can do to prepare]

No action is required from admins.
Communicate this new capability to your helpdesk or end users if needed.

[Compliance considerations]

No compliance considerations identified, review as appropriate for your organization.

Raw JSON (for debugging)

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    "ai_action_required_by": "2026-01-01T00:00:00Z",
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    "ai_summary": "Microsoft 365 Copilot chat will let Copilot-licensed users RSVP to meetings directly in chat starting by mid-January 2026; feature is on by default and needs no admin action.",
    "ai_topics": [
      "Copilot"
    ],
    "category": "stayInformed",
    "details_map": {
      "Summary": "Microsoft 365 Copilot chat will allow users to RSVP to meetings directly with options like Accept, Decline, Tentative, Follow, or Remove canceled meetings. This feature, enabled by default without admin action, will roll out globally from mid-January to end of April 2026."
    },
    "id": "MC1192258",
    "importance": 4,
    "is_major_change": false,
    "last_modified": "2026-04-08T16:25:51Z",
    "ms_products": [
      "Copilot"
    ],
    "platforms": null,
    "roadmap_ids": [],
    "services": [
      "Microsoft Copilot (Microsoft 365)"
    ],
    "severity": "normal",
    "tags": [
      "Updated message",
      "New feature",
      "User impact",
      "Admin impact"
    ],
    "title": "(Updated) Microsoft 365 Copilot: RSVP to meetings directly in Copilot chat"
  }
}