MC1462922 – M365 Change Digest

One-line summary

The Admin app for very small businesses in Teams, Outlook, and Microsoft365.com will be unsupported and unavailable starting October 2026.

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Details

Summary

The Admin app for very small businesses in Teams, Outlook, and Microsoft365.com will retire by October 2026, with rollout starting August 2026. It will no longer be pre-installed or supported. Admins should use Microsoft Admin Center, Teams Admin Center, or Microsoft 365 Admin Agent instead.

Body (from Message Center)

[What and why:]

The Admin app is an application built to help very small businesses manage administrative tasks directly in Teams, Outlook and Microsoft365.com. Starting in October 2026, the Admin app will no longer be supported or available.

[Rollout schedule:]

We will begin rolling out mid-August 2026 and expect to complete by mid-October 2026.

[Impact on your organization:]

Who is affected?
- Admins using the Admin app in Teams, Outlook or Microsoft365.com
What will happen?
- Starting in August 2026 the Admin app will no longer be pre-pinned or pre-installed in Teams for new very small business admins. Admins will still be able to access the application if it is installed in Teams.
- Starting in October 2026 the Admin app will no longer be supported or available to customers in Teams, Outlook, or Microsoft365.com.

[Required Action / Recommendations:]

Admins can continue to use Microsoft Admin Center and Teams Admin Center to manage their Teams environments.
Admins can also use the Microsoft 365 Admin Agent to assist them with administrative tasks

Raw JSON (for debugging)

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{
  "snapshot_item": {
    "action_required_by": null,
    "ai_action_required_by": "2026-10-01T00:00:00Z",
    "ai_actions": [
      "Use Microsoft Admin Center or Teams Admin Center for administration",
      "Use Microsoft 365 Admin Agent for assistance"
    ],
    "ai_master_tags": [
      "Admin"
    ],
    "ai_model": "gpt-4.1",
    "ai_summary": "The Admin app for very small businesses in Teams, Outlook, and Microsoft365.com will be unsupported and unavailable starting October 2026.",
    "ai_topics": [
      "Exchange",
      "Microsoft 365",
      "Teams",
      "Outlook",
      "Microsoft365.com"
    ],
    "category": "planForChange",
    "details_map": {
      "Summary": "The Admin app for very small businesses in Teams, Outlook, and Microsoft365.com will retire by October 2026, with rollout starting August 2026. It will no longer be pre-installed or supported. Admins should use Microsoft Admin Center, Teams Admin Center, or Microsoft 365 Admin Agent instead."
    },
    "id": "MC1462922",
    "importance": 5,
    "is_major_change": true,
    "last_modified": "2026-08-27T22:17:43Z",
    "ms_products": [
      "Exchange",
      "Microsoft 365",
      "Teams"
    ],
    "platforms": null,
    "roadmap_ids": [],
    "services": [
      "Exchange Online",
      "Microsoft 365 suite",
      "Microsoft Teams"
    ],
    "severity": "normal",
    "tags": [
      "Admin impact",
      "Retirement"
    ],
    "title": "Admin app retiring in Teams, Outlook and Microsoft365.com"
  }
}