Copilot Notebooks will be available in Microsoft 365 Copilot Chat for Basic users starting mid-June 2026, providing a persistent AI-powered workspace to organize content. Notebook data is stored in user-owned SharePoint Embedded containers, counts toward SharePoint storage, and respects existing ...

Outlook for iOS will enhance PDF preview by supporting Microsoft Information Protection-labeled PDFs and adding a controls toolbar for zoom, navigation, and search. The update rolls out from July to September 2026, is enabled by default, requires no admin action, and maintains existing workflows.

The Outlook Actionable Messages onboarding portal will be refreshed with a modern UI, new URL (https://aka.ms/ActionableMessagesPortal), and enhanced security, rolling out worldwide in June 2026. Existing functionality remains unchanged. Administrators should update bookmarks, tools, and document...

The Sora video generation experience in the Frontier program will retire between mid and late June 2026. Users will lose access to create new videos, but existing videos remain available. No action is required; a new video experience is in development and updates will follow.

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Microsoft Defender for Endpoint on iOS will retire in-app OS update notifications by late July 2026, shifting OS update compliance and enforcement solely to Microsoft Intune and MDM/MAM. This removes duplicate messaging, requires no immediate action, and aims to simplify management and unify comp...

Microsoft Defender for Endpoint EDR updates will move from monthly Windows security updates to Microsoft Update starting late May 2026 for Windows 10, expanding to Windows 11 and others by fall 2026. Updates won't usually require restarts. No action needed if using Microsoft Update; manual deploy...

Microsoft Entra Internet Access will update web categorization in mid-June 2026, adding a new AI Agents category and refining existing ones. Some sites will be reclassified, affecting filtering policies. No action is required, but admins should review and adjust policies as needed.

Microsoft 365 Archive now supports file-level archiving for SharePoint files, enabling cold storage with discoverability. Rolling out worldwide in July 2026, it is enabled by default for tenants with Microsoft 365 Archive. Admins can control scope, and archived files can be reactivated by users w...

Starting July 2026, Windows 365 will set the PowerShell execution policy to RemoteSigned on Cloud PCs during provisioning, enhancing security by requiring downloaded scripts to be signed. Unsigned downloaded scripts may be blocked, and stricter policies like AllSigned can cause provisioning failu...

Starting July 2026, unlicensed OneDrive accounts will enter enforced retention stages: read-only at 60 days, archived at 93 days, and permanent deletion after 12 months of non-payment. Admins can preserve data by reassigning licenses, enabling billing, migrating content, or adjusting retention po...