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Microsoft 365 Message Center

MC1282308: Message center post structure updates may require admin script changes

Microsoft 365 Message center post headings will be standardized starting May 16, 2026, affecting admins using scripts or automation based on old headings. Update scripts to recognize new headings like "What and Why" and "Rollout Schedule" to avoid failures and ensure downstream systems work corre...
Read More • 17 Apr 2026
Tophhie Cloud Automation
Microsoft 365 Message Center

MC1282306: Modernized Change Management for Microsoft 365

Microsoft 365 introduces a modernized change management model with flexible release audiences (Frontier, Standard, Deferred), enhanced Message center communications, and AI-powered insights via the MCP Server. Rolling out mid-April 2026, it offers IT teams greater clarity, control, and proactive ...
Read More • 17 Apr 2026
Tophhie Cloud Automation
Microsoft 365 Message Center

MC1281507: Microsoft 365 Copilot: Discover Copilot actions in OneDrive/SharePoint file preview

Starting late April 2026, Microsoft 365 Copilot will show suggested actions like summarizing and FAQ generation directly in OneDrive and SharePoint file previews. Enabled by default for eligible users, this feature respects existing permissions and policies, requiring no admin action but user awa...
Read More • 16 Apr 2026
Tophhie Cloud Automation
Microsoft 365 Message Center

MC1281506: Planned breaking changes to ASIM KQL functions used by Microsoft Sentinel for Developers

Microsoft Sentinel for Developers will have planned breaking changes to ASIM KQL functions, updating _Im_ProcessCreate to use targetusername_has instead of targetusername. Organizations should review and update queries by May 25 or later to avoid disruptions. Rollout dates will be announced later.
Read More • 16 Apr 2026
Tophhie Cloud Automation
Microsoft 365 Message Center

MC1281502: Planned Maintenance: Windows 365 Service

Windows 365 will undergo planned maintenance from April 20-24, 2026, during non-peak hours by region, causing brief automatic reconnections lasting under a minute. No downtime is expected, and users can reconnect freely. No action is needed, but notifying helpdesk and users is recommended.
Read More • 16 Apr 2026
Tophhie Cloud Automation
Microsoft 365 Message Center

MC1281426: Power Platform - Copilot hub - new model-driven app settings for Data entry, Data exploration, and Summary

We are announcing new Copilot hub settings that allow administrators to disable
Read More • 16 Apr 2026
Tophhie Cloud Automation
Microsoft 365 Message Center

MC1280564: Microsoft Purview: Migration tool in Unified Catalog to migrate classic glossary terms

Microsoft Purview introduces a built-in migration tool in Unified Catalog for Data Governance Admins and Stewards to migrate classic glossary terms, templates, and relationships. Migration begins public preview in April 2026 and general availability in July 2026. Classic terms become read-only po...
Read More • 16 Apr 2026
Tophhie Cloud Automation
Microsoft 365 Message Center

MC1280561: Assign participants to breakout rooms using CSV import in Microsoft Teams meetings

Microsoft Teams will support CSV import for breakout room assignments starting May 2026, enabling organizers to bulk create rooms and pre-assign participants. The feature is enabled by default, requires no admin action, and allows modifications during meetings, improving setup efficiency for stru...
Read More • 16 Apr 2026
Tophhie Cloud Automation
Microsoft 365 Message Center

MC1280558: Use Copilot to explain selected slide content in PowerPoint Live

Starting mid-May 2026, Microsoft Teams meetings with PowerPoint Live will let attendees select slide text and get private, on-demand Copilot explanations for terms or acronyms without disrupting the presenter. This feature is on by default for tenants with Microsoft 365 Copilot (Premium) enabled.
Read More • 16 Apr 2026
Tophhie Cloud Automation
Microsoft 365 Message Center

MC1280556: Microsoft Purview for agents: AI observability and insider risk management now generally available

Microsoft Purview for agents, including DSPM – AI Observability and Insider Risk Management, will be generally available by late May 2026. It enables Microsoft 365 E7 or Agent 365 admins to monitor AI agent activity, assess risks, enforce governance, and manage insider risks with privacy controls...
Read More • 16 Apr 2026
Tophhie Cloud Automation
Microsoft 365 Message Center

MC1280552: Expanded visibility for the Teams Reader role in the Teams admin center

The Teams Reader role in the Teams admin center will gain expanded read-only visibility of Teams and channel management details via the admin center, PowerShell, and Microsoft Graph APIs starting late April 2026. No new edit permissions are granted, and no admin action is required before rollout.
Read More • 16 Apr 2026
Tophhie Cloud Automation
Microsoft 365 Message Center

MC1280545: Organizational Data Export Capability for Tenant Admins

Starting late April 2026, Microsoft 365 tenant admins with Global or Organizational Data Source Administrator roles can export raw organizational data uploaded to MODIS within a 30-day retention window in CSV format. This default-enabled feature supports compliance and audit needs without impacti...
Read More • 16 Apr 2026
Tophhie Cloud Automation
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