MC1274396: Extended Security Updates (ESU) available for Windows 10 Enterprise LTSB 2016
If your organization relies on Windows 10 Enterprise LTSB 2016, you know
Microsoft 365 Message Center
An archive of Message Center updates - curated and preserved for when Microsoft changes things faster than you can say "rolling out." Find the latest and past Message Center posts right here. Updated daily at 1am (UK time).
MC1274349: ESR management is moving to Windows Backup for Organizations
Starting May 2026, Enterprise State Roaming (ESR) management will transition to Windows
MC1274325: Upcoming change: Microsoft 365 Apps SAEC and MEC will unify
Starting July 14, 2026, Microsoft will unify the Semi-Annual Enterprise Channel (SAEC) and Monthly Enterprise Channel (MEC) for Microsoft 365 Apps into a single enterprise update channel, simplifying update management without changing existing policies or user workflows. No action is required.
MC1274323: SharePoint Advanced Management: Delegate management of Restricted Access Control (RAC) to site admins
SharePoint now allows delegation of Restricted Access Control (RAC) management to site admins, requiring justification for changes. This feature, needing a premium license, is off by default and can be enabled by SharePoint admins to reduce overhead while maintaining security and auditability. Ro...
MC1273749: Power Pages - Power Pages version 9.8.4.x early Upgrade Release
Maintenance window start: April 11, 2026, at 6:00 PM UTC
Maintenance
MC1273444: Microsoft Whiteboard content is now viewable in Microsoft Purview eDiscovery
Microsoft Whiteboard content in Microsoft Purview eDiscovery can now be viewed directly as readable HTML without downloading files. This rollout, completing by April 2026, improves compliance review workflows and applies automatically with existing permissions and controls intact. No user action ...
MC1273443: Microsoft Teams: Smarter auto suggestions to help you search faster
Microsoft Teams will introduce smarter, personalized Autosuggest in search by mid-April 2026, showing clearer suggestions for people, channels, and chats to improve search speed and relevance. The feature is enabled by default, requires no admin changes, and enhances user experience without affec...
MC1273407: Power Apps - Microsoft 365 Copilot will be available in model-driven apps
We are announcing the ability to use Microsoft 365 Copilot in model-drive
MC1273097: Microsoft Dataverse - Enable makers to create Dataverse AI prompt columns
We are announcing the ability for makers to create Dataverse AI prompt
MC1272652: (Updated) Viva Engage: Feature conversations to all network members
Featured conversations in public Viva Engage communities can now be promoted to all network members or just community members, while private community features remain member-only. This rollout begins late April 2026, requires no admin action, and maintains existing permissions and moderation rules.
MC1272554: Top domain mail flow report in Exchange Online is retiring
The Top domain mail flow report in Exchange Online's Exchange admin center will retire on July 6, 2026. After this, it will be inaccessible, requiring admins to adopt alternative reporting methods. No other mail flow reports or mail delivery behaviors are affected. Prepare by updating documentati...
MC1272549: Upcoming change: Retirement of noise suppression capability for OneDrive and SharePoint video
Microsoft will retire the noise suppression option for video playback in OneDrive and SharePoint between July and August 2026. This change affects only the playback experience; video files remain unchanged. No admin action is required, though updating documentation and notifying helpdesk is recom...