MC1189666 – M365 Change Digest

One-line summary

Admins can now target Organizational Messages to inactive Microsoft 365 Copilot users using new Action Segments, with general availability rollout starting mid-May 2026.

Similar updates

Details

RoadmapIds

503563

Summary

Microsoft 365 admin center now supports Action Segments for Organizational Messages targeting inactive Microsoft 365 Copilot users. Public Preview began mid-November 2025; General Availability starts mid-May 2026. Admins with Copilot licenses can deliver tailored messages without policy changes. No immediate action required.

Platforms

Web

Body (from Message Center)

Updated April 27, 2026: We have updated the timeline. Thank you for your patience.

[Introduction]

Action Segments empower IT admins to target Organizational Messages using dynamic, pre-defined usage segments. This enhancement helps admins deliver more relevant communications based on user activity. For the Public Preview, there are two Action Segments available: Inactive Microsoft 365 Copilot Users and Inactive Microsoft 365 Copilot Users in Teams.

This message is associated with Microsoft 365 Roadmap ID 503563.

[When this will happen]

Public Preview (Worldwide): Rollout began in mid-November 2025 and is expected to complete by late January 2026.
General Availability (Worldwide): Rollout begins in mid-May 2026 (previously late-April) and is expected to complete by late June 2026 (previously late May)

[How this will affect your organization]

Who is affected:
- Admins managing Organizational Messages in Microsoft 365.
- Tenants with Microsoft 365 Copilot licenses (required for Action Segments to apply).
What will happen:
- Admins can target messages based on user activity using Action Segments:
- Two pre-defined segments are available during Public Preview:
  - Inactive Microsoft 365 Copilot Users
  - Inactive Microsoft 365 Copilot Users in Teams
- No changes to existing admin policies; feature is additive.

[What you can do to prepare]

No immediate action is required at this time.
If you want to take advantage of this feature:
Ensure your organization has Microsoft 365 Copilot licenses (required for Action Segments to apply).
Review and configure Action Segments in the Microsoft 365 admin center.
Communicate this change to your helpdesk or support teams.
Update internal documentation if you detail Organizational Messages or Copilot usage.

[Compliance considerations]

No compliance impacts identified. Review your organization’s policies as needed.

Raw JSON (for debugging)

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    "ai_actions": [
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    "ai_master_tags": [
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    "ai_summary": "Admins can now target Organizational Messages to inactive Microsoft 365 Copilot users using new Action Segments, with general availability rollout starting mid-May 2026.",
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    "category": "stayInformed",
    "details_map": {
      "Platforms": "Web",
      "RoadmapIds": "503563",
      "Summary": "Microsoft 365 admin center now supports Action Segments for Organizational Messages targeting inactive Microsoft 365 Copilot users. Public Preview began mid-November 2025; General Availability starts mid-May 2026. Admins with Copilot licenses can deliver tailored messages without policy changes. No immediate action required."
    },
    "id": "MC1189666",
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    "last_modified": "2026-04-27T20:54:36Z",
    "ms_products": [
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    "severity": "normal",
    "tags": [
      "Updated message",
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    "title": "(Updated) Microsoft 365 admin center: Organizational Messages now support Action Segments for Microsoft 365 Copilot"
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