MC1113050: (Updated) Security hardening for Microsoft RPC Netlogon protocol
🚨Major Update: This post contains a significant change that may impact your
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).
MC1134182: Microsoft Teams | External Audio and Camera Device Selection on iPads
Microsoft Teams on iPad now allows muting external audio devices and switching cameras via a long press on the camera icon. These features, rolling out now and enabled by default, enhance meeting control without requiring admin setup. Users should update their Teams app to access them.
MC1134180: Meeting Search in MS Teams Desktop
Microsoft Teams Desktop will enhance meeting search by allowing users to find meetings by title or participant, join meetings, view recaps, RSVP, and access related chats and files. Features include a “Meeting” search filter and a dedicated tab, rolling out August 2025 with no admin action needed.
MC1134179: Enhancement to Copilot studio agents report
The Copilot Studio agents report will enhance insights with weekly data aggregation and active user counts, enabling faster performance monitoring. Public preview starts late August 2025; general availability by mid-October 2025. Existing monthly reports remain unchanged; no immediate admin actio...
MC1134178: Microsoft Teams: “Summarize thread” replaces “Highlights from this conversation” in post/reply channels
Microsoft Teams will replace "Highlights from this conversation" with "Summarize Thread" in post/reply channels starting mid-August 2025. This new feature, enabled by default, summarizes conversations over 1000 characters for a consistent experience across channels, requiring no admin setup. Info...
MC1134176: Outlook for iOS and Android: Send button relocated to reduce accidental sends
The Send button in Outlook mobile (iOS and Android) will move from the bottom toolbar to the top header in the compose view to reduce accidental sends. This change, rolling out from September 2025 to March 2026, is enabled by default and does not affect desktop or web clients.
MC1134174: Outlook Mobile for iOS and Android: Draft messages now minimize automatically when closed
Outlook Mobile will automatically minimize draft messages when closed, allowing quick resumption via a button in the message list. This rollout starts September 2025, requires no admin action, and aims to improve draft handling and user productivity. Inform users and update documentation accordin...
MC1134173: Microsoft 365 Copilot: Source controls for Researcher Agent
Microsoft 365 Copilot's Researcher Agent will gain Source Controls starting late August 2025, allowing licensed users to select specific sources (Web, Work, Graph entities) for research. This feature appears across Copilot apps, requires no admin action, and respects existing admin settings; conn...
MC1134170: [Copilot Extensibility] Admins can manage ownerless Copilot agents with new lifecycle controls
Admins will gain lifecycle controls to identify, review, delete, or block ownerless Copilot agents created by departed users, improving security and governance. The feature rolls out globally from late August to mid-September 2025, with owner assignment for agents coming in October. No prior conf...
MC1134169: Teams app versions 1.12 and earlier will no longer appear in Microsoft 365 admin center
Teams apps version 1.12 and earlier will be removed from the Microsoft 365 admin center's Integrated apps view starting late August 2025 but remain fully manageable in the Teams admin center. No action is required, and user experience remains unchanged.
MC1134168: Plan for Change: Windows quality updates during the out-of-box experience
Starting September 2025, Windows 11 (22H2+) devices will install quality updates by default during out-of-box experience (OOBE). Intune's August release adds an "Install Windows updates" setting in Enrollment Status Page (ESP) to control this. Update rings policies can manage update timing during...
MC1134166: Updates available for Microsoft 365 Apps for all channels
We've released updates to the following update channels for Microsoft