MC1254552 – M365 Change Digest

One-line summary

Copilot Notebooks gains features like chat editing, study tools, SharePoint references, PowerPoint/Word agents, group sharing, and mind maps; features roll out March-June 2026 to Frontier Public and globally.

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Summary

Starting late March 2026, new Copilot Notebooks features—like chat interactivity, study guides, SharePoint grounding, PowerPoint and Word agents, group sharing, and mind maps—will roll out in Frontier Public tenants, reaching general availability by June 2026. Features are enabled by default with no admin action required.

Body (from Message Center)

Updated May 5, 2026: We have updated the timeline and content. Thank you for your patience.

[Introduction]

We’re introducing several new Copilot Notebooks features to the Frontier Public environment to help users learn faster, create content more efficiently, and collaborate more easily within their organization. These enhancements build on customer feedback and expand how Copilot can reason over notebook content and connected Microsoft 365 resources. Each feature will reach General Availability (GA) on its own schedule following Frontier Public availability.

[When this will happen:]

Frontier Public rollout: Beginning late March, 2026, with broad availability across Frontier Public tenants by March 28, 2026.
General Availability (GA) (Worldwide): Rolling rollout from early April 2026 through early June 2026 (previously early May). Each feature will reach GA on its own schedule.
Rollout is gradual; availability may vary by tenant and feature.

[How this affects your organization:]

Who is affected:

All Copilot Notebooks users (in the Microsoft 365 app and OneNote) in Frontier Public tenants

What will happen:

The following new Copilot Notebooks features will become available to Frontier Public tenants starting in late March 2026 and will transition to General Availability according to the timelines listed below. All features are enabled by default.

Chat and Page Interactivity: Allows users to edit and create pages in a notebook directly through chat.
- Frontier Public: late March, 2026
- GA: mid-April to early June 2026
Study Guide: Automatically generates quizzes, flashcards, topic pages, and other learning tools based on notebook content.
- Frontier Public: late March, 2026
- GA: mid-May to late May 2026 (previously Late April)
SharePoint Sites and Folders grounding: Allows users to add SharePoint sites and folders as references so Copilot can use them when reasoning and generating content.
- Frontier Public: late March, 2026
- GA: late May to early June 2026 (previously Early April)
PowerPoint agent in Copilot Notebooks: Enables users to create PowerPoint presentations using notebook content and references in a few clicks.
- Frontier Public: late March, 2026
- GA: late May to early June 2026 (previously May)
Word agent in Copilot Notebooks: Enables users to create Word documents using notebook content and references in a few clicks.
- Frontier Public: late March, 2026
- GA: late May to early June 2026 (previously May)
Sharing to Microsoft 365 Modern Groups: Allows notebooks to be shared directly with Microsoft 365 Modern Groups.
- Frontier Public: late March, 2026
- GA: April 2026
Mind maps: A new interactive visual artifact that helps users understand notebook content through a grounded map of key topics, themes, and relationships. Users can explore nodes, view summaries, and use notebook chat to learn more. Generated Mind Maps are retained for 30 days and remain private to the creator, including in shared notebooks.
- Frontier Public: late March, 2026
- GA: mid-May to early June 2026

Existing Microsoft 365 permissions and access controls are respected.
No general limitations are known beyond those noted for individual features.

[What you can do to prepare:]

No admin action is required.
Consider:
- Informing helpdesk and support teams about new Copilot Notebooks capabilities.
- Updating internal training or adoption materials to reflect the new features.
- Reviewing how Copilot Notebooks are used in your organization to ensure appropriate SharePoint access is in place.

Learn more: Get started with Microsoft 365 Copilot Notebooks (will be updated before GA rollout)

[Compliance considerations:]

Area	Impact
AI / ML or agent capabilities interacting with customer data	New Copilot capabilities (Study Guide, Word and PowerPoint agents, mind maps) use existing notebook content and referenced Microsoft 365 data to generate outputs.
End-user interaction with generative AI	Users gain new ways to generate learning materials, documents, presentations, and visual diagrams using Copilot.

All other compliance areas reviewed (data storage changes, Purview controls, audit, eDiscovery, retention, DLP, Conditional Access, GDPR data subject rights, third-party integrations, admin reporting) are not impacted.

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