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(Updated) Microsoft 365 Copilot: Content Sources in Copilot Chat
MC1127230 · build prod-20251231-200323
Category
planForChange
Severity
normal
Major change
False
Last modified
2026-04-08 16:32:28
Summary source
Azure OpenAI (gpt-4.1)
Action by (Graph)
Action by (AI)
2026-01-01 00:00:00
Services
Microsoft Copilot (Microsoft 365)
Tags
Updated message, New feature, User impact
Master tags
User, Admin, Copilot License
Roadmap IDs
496596

One-line summary

Users with Microsoft 365 Copilot licenses will be able to scope Copilot Chat responses to user-selected content sources, rolling out starting May 2026; no admin actions required.

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Details

RoadmapIds
496596
Summary
Microsoft 365 Copilot will let licensed users select specific content sources for Copilot Chat responses, improving relevance and control. Rolling out worldwide from May 2026, this feature is enabled by default, requires no admin action, and does not affect existing settings or compliance.
Platforms
Desktop, Web

Body (from Message Center)

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

 What and Why

We’re introducing a new capability that allows users with a Microsoft 365 Copilot license to scope and control Copilot Chat responses by selecting specific content sources. This enhancement is designed to improve the relevance and accuracy of Copilot responses by limiting them to user-selected sources, aligning with customer feedback for more transparent and customizable AI interactions.

This message is associated with Microsoft 365 Roadmap ID 496596

Rollout Schedule

General Availability (Worldwide): Rollout will begin May 2026 (previously April).

Impact on Your Organization

  • Who is affected:
    • Users with a Microsoft 365 Copilot license.
  • What will happen:
    • Users will see a new option to select content sources when using Copilot Chat.
    • Copilot responses will be scoped only to the selected sources, improving control and precision.
    • This feature will follow a standard rollout and is enabled by default.
    • There is no impact to admin settings or policies.
    • No changes to existing Copilot behavior unless users actively select sources.

    Action Required/Recommendations

    • No admin action is required.
    • This feature does not impact admin controls or require configuration.
    • We recommend:
      • Informing helpdesk staff of this new user-facing capability.
      • Updating internal documentation if you provide guidance on Copilot usage.

      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",
          "ai_actions": [
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            "Update Copilot user guidance"
          ],
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            "Copilot License"
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          "ai_model": "gpt-4.1",
          "ai_summary": "Users with Microsoft 365 Copilot licenses will be able to scope Copilot Chat responses to user-selected content sources, rolling out starting May 2026; no admin actions required.",
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            "Platforms": "Desktop, Web",
            "RoadmapIds": "496596",
            "Summary": "Microsoft 365 Copilot will let licensed users select specific content sources for Copilot Chat responses, improving relevance and control. Rolling out worldwide from May 2026, this feature is enabled by default, requires no admin action, and does not affect existing settings or compliance."
          },
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            "Microsoft Copilot (Microsoft 365)"
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          "tags": [
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            "New feature",
            "User impact"
          ],
          "title": "(Updated) Microsoft 365 Copilot: Content Sources in Copilot Chat"
        }
      }