Microsoft 365 Message Center Archive

MC1187387 - New features coming to Copilot Notebooks for Frontier users

Message ID

MC1187387

View in Message Center

Service

Microsoft 365 apps

Last Updated

Dec 10, 2025

Published Nov 17, 2025

Tag

Updated message
New feature
User impact

Roadmap ID

516042

View in M365 Roadmap

Platforms

Web

Summary

New features for Copilot Notebooks in M365 apps will roll out starting mid-November 2025, with general availability in January 2026. Updates include improved navigation, personalized suggestions, an overview page, and expanded AI references. Features will be on by default for Frontier Public users with no admin action needed.

More information

Updated December 10, 2025: We have updated the timeline. Thank you for your patience. 

Introduction

We’re introducing new features to the Copilot Notebooks module in the following apps:

  • M365 Copilot App for Desktop (Windows and macOS)
  • M365 Copilot App for Web
  • OneNote Win32 (Insiders/Beta ring)

These updates make it easier for users to onboard and find value within Copilot Notebooks by improving navigation, personalization, and AI capabilities.

This message is associated with Roadmap ID 516042.

When this will happen:

  • Public Preview: Rollout begins mid-November 2025 and is expected to complete by mid-December.
  • General Availability (Worldwide): Rollout begins early January 2026 (previously early December 2025) and is expected to complete by late mid-February 2026.

How this affects your organization:

Who is affected:

  • Frontier Public users with an M365 Copilot license.

What will happen:

  • Users will experience a streamlined interface with a persistent navigation pane and chat on the right for optimized notebook workflows.

    • Screenshot: A view of the new UX, Overview Page, and Suggestions.

    user settings

  • Suggested Notebooks and references will provide personalized recommendations based on projects, graph context, and recent files.
  • An automatically generated overview page will summarize the Notebook and key insights, refreshable as new references are added.
  • Advanced AI features will expand reference types to include SharePoint folders and OneNote notebooks.
  • Features will be ON by default for Frontier Public users starting November 19, 2025.

What you can do to prepare:

  • No admin action is required for rollout.
  • Communicate these changes to helpdesk staff to prepare for user questions.
  • Update internal documentation if you detail Copilot Notebook functionality.

Learn more: Get started with Microsoft 365 Copilot Notebooks (will be updated soon)

Compliance considerations:

No compliance considerations identified; review as appropriate for your organization.