Microsoft Outlook: Enhanced search experience with Copilot in Classic Outlook
From Microsoft 365 Message Center Archive by Merill Fernando · Microsoft may not have sent this notice to your tenant.Rollout
- Roadmap
- 510107
Rollout dates are often only in the text. When Microsoft moves them, the change shows under "What changed".
What the notice says
Microsoft’s text, safely structuredUpdated October 23, 2025: We have updated language surrounding who is impacted for clarity. Thank you for your patience.
We’re introducing a new Copilot experience in Classic Outlook to help users get more value from their search results. After executing a search, users will see an entry point to the Copilot side pane, where they can view a large language model (LLM)-based summary of their results. This includes content from documents, Teams messages, and more. Users can also ask follow-up questions and interact with the content directly in the Copilot pane.
This message is associated with Microsoft 365 Roadmap ID 510107.
When this will happen
General Availability: We will begin rolling out mid-December 2025 and expect to complete rollout by mid-February 2026.
How this affects your organization
Who is affected: Commercial accounts with access to M365 Copilot Licenses.
What will happen
- Users will see an entry point to the Copilot side pane after they execute a search.
- The pane will display an LLM-generated summary of search results, including content from documents and Teams messages.
- Users will be able to ask follow-up questions and interact with the summarized content.
- The feature will be enabled by default; no admin action will be required to turn it on.
- AI generation of content within the pane will be opt-in.
Screenshot - Copilot pane showing AI-generated summary in Classic Outlook:
What you can do to prepare
- Confirm that affected users have the required Microsoft 365 AI SKU.
- Communicate this change to helpdesk staff.
- Update internal documentation if you detail Outlook search functionality.
- No admin controls are available to disable the feature; however, users must opt in to AI-generated content.
Compliance considerations
No compliance considerations identified, review as appropriate for your organization.
What changed
Between archive captures, newest first- Tags
New feature, User impact, Admin impact→ Updated message, New feature, User impact, Admin impact
Updated October 23, 2025: We have updated language surrounding who is impacted for clarity. Thank you for your patience. We’re introducing a new Copilot experience in Classic Outlook to help users … rollout by mid-February 2026. How this affects your organization: Who is affected:
Users of Classic Outlook who are assigned aCommercial accounts with access to M365 Copilotlicense.Licenses. What will happen: Users will see an entry point to the Copilot …- Tags
… affects your organization: Who is affected: Users of Classic Outlook who are
licensed with the Microsoft 365 AI SKU.assigned a Copilot license. What will happen: Users will see an entry point to the Copilot …- · first version seen
Learn more
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What this page cannot tell you- Whether your tenant is affected: this is Microsoft's notice, not a check of your settings.