MC1168906: Windows Office Hours: October 16, 2025
If you are an IT admin with questions about managing and updating
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).
MC1168899: Dynamics 365 Contact Center - Use optimized setting to update presence
We are announcing the ability to use an optimized setting to update
MC1168342: Power Automate – HTTP and Teams webhook trigger flows are moving to new URLs
As of August 2025, Power Automate flows and Agent flows (Copilot Studio)
MC1168294: Microsoft Teams: Apps now supported in Shared Channels
Microsoft Teams now supports apps in Shared Channels, enabling bots, tabs, and message extensions for richer collaboration. Apps must be added per channel with new governance controls. Rollout starts October 2025. Admins and developers should update policies and app manifests for compatibility. P...
MC1168293: Teams Search now respects hidden user attributes without requiring "Scope Search"
Starting October 2025, Teams will respect hidden user attributes like ShowInAddressList without needing Scope Search, aligning with Outlook and Exchange. Admins should review and update attribute settings, disable Scope Search if only used for hiding users, and inform support teams accordingly.
MC1168292: New setting to pin Microsoft 365 Copilot and Companion apps to the Windows taskbar.
Admins can now pin Microsoft 365 Copilot and companion apps (People, File, Calendar) to the Windows taskbar via a new setting in the Microsoft 365 admin center. Rollout starts October 2025, with the toggle off by default. Pinning applies only if apps are installed and can be managed by admins.
MC1168289: Microsoft 365 apps: Custom Engine Agents now available in Word, Excel, PowerPoint, and OneNote
Custom Engine Agents (CEAs) are now available in Word, Excel, PowerPoint, and OneNote, expanding Microsoft 365 Copilot extensibility. CEAs run on partner services, appear in the Copilot pane, and allow users to generate and insert content. Full rollout is expected by October 13, 2025, with no adm...
MC1168268: Microsoft Copilot Studio - Block the use of maker-provided credentials for authentication
We are announcing the ability for admins to enforce the use of
MC1168267: Dynamics 365 Customer Insights - Journeys - Transform your outreach with Copilot-powered voice conversations
We are announcing the ability to leverage Copilot Studio agents to engage
MC1168237: Power Platform - Take advantage of expanded Virtual Network support
We are announcing the ability to take advantage of expanded Virtual Network
MC1168232: Dynamics 365 Contact Center – Use messaging APIs to manage customer chat conversations
We are announcing the ability to use messaging APIs to manage customer
MC1168195: Dynamics 365 Customer Insights - Journeys - Create an event portal on your own website using the event API
We are announcing the ability to create an event portal on your