MC1393811 – M365 Change Digest

One-line summary

Enterprise search is coming to Excel Agent in Microsoft 365 Copilot, allowing users to search and ground Copilot responses with organizational files, emails, chats, and more.

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Details

Summary

Microsoft 365 Copilot's Excel Agent now supports enterprise search for files, emails, meetings, chats, people, and transcripts, enabling contextually relevant answers. Rolling out worldwide from mid-March to late June 2026, this feature is enabled by default with no admin changes needed. No action required.

Body (from Message Center)

[What and Why]

We are introducing enterprise search in Excel Agent within Microsoft 365 Copilot. Users can search for enterprise content (file, email, meeting, chat, people, transcript) in Excel Agent and use that content as grounding to generate contextually relevant answers. This helps users quickly find and use organizational knowledge directly in their workflow.

[Rollout Schedule]

General Availability (Worldwide): Rollout began in mid-March 2026 and is expected to complete by late June 2026.

[Impact on Your Organization]

Who is affected

Users with Microsoft 365 Copilot using Excel Agent

Platforms and Services

Microsoft 365 Copilot
Excel Agent

What will happen

Users can search enterprise content directly in Excel Agent:
Supported content includes files, emails, meetings, chats, people, and transcripts.
Results can be used as grounding for Copilot responses.
The feature is enabled by default.
Existing permissions and security trimming are respected.
No admin configuration changes are required.

[Action Required or Recommendations]

No action is required.

Recommended actions:

Inform helpdesk and end users about this new capability.
Update internal documentation if your organization documents Copilot capabilities.

Learn more:

[Compliance considerations]

No compliance considerations identified. Review as appropriate for your organization.

Raw JSON (for debugging)

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{
  "snapshot_item": {
    "action_required_by": null,
    "ai_action_required_by": "2026-06-30T00:00:00Z",
    "ai_actions": [
      "Inform helpdesk and end users about the new capability",
      "Update internal documentation if Copilot capabilities are documented"
    ],
    "ai_master_tags": [
      "User",
      "Admin",
      "Copilot License"
    ],
    "ai_model": "gpt-4.1",
    "ai_summary": "Enterprise search is coming to Excel Agent in Microsoft 365 Copilot, allowing users to search and ground Copilot responses with organizational files, emails, chats, and more.",
    "ai_topics": [
      "Microsoft 365 Apps",
      "Copilot",
      "Excel"
    ],
    "category": "stayInformed",
    "details_map": {
      "Summary": "Microsoft 365 Copilot\u0027s Excel Agent now supports enterprise search for files, emails, meetings, chats, people, and transcripts, enabling contextually relevant answers. Rolling out worldwide from mid-March to late June 2026, this feature is enabled by default with no admin changes needed. No action required."
    },
    "id": "MC1393811",
    "importance": 4,
    "is_major_change": false,
    "last_modified": "2026-06-16T22:54:19Z",
    "ms_products": [
      "Microsoft 365 Apps",
      "Copilot"
    ],
    "platforms": null,
    "roadmap_ids": [],
    "services": [
      "Microsoft 365 apps",
      "Microsoft Copilot (Microsoft 365)"
    ],
    "severity": "normal",
    "tags": [
      "New feature",
      "User impact",
      "Admin impact"
    ],
    "title": "Microsoft 365 Copilot: Excel agent enterprise search"
  }
}