Microsoft 365 Message Center MC1385471: The June 2026 Windows security update is now available 🚨Major Update: This post contains a significant change that may impact your
Microsoft 365 Message Center MC1318295: (Updated) Take action: Mitigation guidance updated with a new script for CVE-2026-45585 🚨Major Update: This post contains a significant change that may impact your
Microsoft 365 Message Center MC1385496: June 2026 Windows security update requires restart for hotpatch-enabled devices 🚨Major Update: This post contains a significant change that may impact your
Microsoft 365 Message Center MC1384733: Power Platform admin center - Information about an update to storage capacity entitlement reporting We have identified that the storage capacity entitlement report in the Power
Microsoft 365 Message Center MC1384427: Microsoft Purview | Data Security Investigations: Investigation templates for common data security scenarios Microsoft Purview Data Security Investigations now includes pre-configured search templates for common data security scenarios, enabling faster, standardized investigations with minimal inputs. This feature is generally available worldwide, requires no admin action, and helps reduce setup time fo...
Microsoft 365 Message Center MC1384426: Microsoft 365 Copilot in Word: Improved support for complex edits Microsoft 365 Copilot in Word will support complex edits like tracked changes, comments, and document structure while preserving formatting and collaboration history. Public preview starts mid-May 2026; general availability begins early June 2026. No action is required, but users can be informed ...
Microsoft 365 Message Center MC1384425: Copilot Notebooks available in Microsoft 365 Copilot Chat for Basic users 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 ...
Microsoft 365 Message Center MC1384419: Improved PDF preview in Outlook for iOS 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.
Microsoft 365 Message Center MC1384409: Outlook Actionable Messages onboarding portal refresh: new experience and updated URL 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...
Microsoft 365 Message Center MC1384407: Microsoft 365 Copilot: Retirement of Sora video generation experience (Frontier) 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.
Microsoft 365 Message Center MC1383794: Dynamics 365 Customer Insights – Journeys - Boost productivity with flexible views and search in segments We are announcing the ability to boost productivity with flexible views and
Microsoft 365 Message Center MC1383792: Microsoft Power Automate - Measure time and cost savings for desktop flows We are announcing the ability to measure time and cost savings for