After the Microsoft 365 Copilot Libraries rollout, existing Copilot Pages sharing links no longer work. The reason is a misconfigured or forgotten redirect.
Chromium browsers like Microsoft Edge and Google Chrome store protocol handler settings locally in a profile file. If you want to reset that choice, you can manually edit the Preferences file or use PowerShell to remove the old handler settings.
Outlook Mobile is relocating the Send button in the compose view to the header area to reduce accidental sends.
Microsoft has introduced a dedicated Microsoft 365 Copilot Chat environment for all Copilot Studio Lite Agents. Older agents may still reside in the default Power Platform environment, while new ones are automatically created in the new environment.
Microsoft Purview DLP for Fabric products and generative AI apps in Microsoft Edge will require a Pay-as-You-Go billing model starting at the end of October 2025.
Microsoft is enhancing Teams so that forwarded messages now include a clickable link to the original chat or channel post. This improves traceability and helps users quickly view the full conversation context.
Admins can now restrict who can share Copilot Studio Lite agents with the entire organization, improving governance and alignment with organizational policies.
Power Automate and Copilot Studio agent flows using legacy HTTP or Teams webhook triggers must be updated to new endpoint URLs. Legacy URLs will stop working after 30 November 2025.
Teams will soon honor hidden user attributes without requiring scoped directory search. This update aligns Teams Search behavior with Outlook and Exchange, removing the need for “Scope Search” when used only to hide users.
Microsoft is updating the Global Address List (GAL) design in Outlook on the web and the new Outlook.
Microsoft is adding noise suppression for PSTN dial-in participants in Teams Audio Conferences. This update uses machine learning to reduce background noise from phone callers, ensuring clearer and more consistent audio in mixed-device meetings.
Microsoft is integrating the Researcher agent into Copilot Notebooks, enabling multi-step, enterprise-grade research directly within Notebook cells. All chats remain stored in the Notebook, and responses can be refined, exported, or shared as Loop pages for collaboration.
Microsoft introduced AI-generated audio briefings for SharePoint News in Viva Connections. The feature enables users to listen to AI-generated summaries of top news posts, providing a hands-free and accessible way to stay informed.
Several organizations confirmed the same behavior: Guest accounts cannot access private channel sites due to permission sync issues with the SharePoint site. I identified the root cause and why only certain organizations are affected.
SharePoint introduces Sections with AI, a new Copilot-powered authoring feature that lets users generate full SharePoint sections from a simple prompt.
Microsoft has introduced a new Cloud Policy that allows admins to control harmful content protection in Microsoft 365 Copilot Chat. The feature enables selected users in specialized roles to work with sensitive content under controlled conditions.
Microsoft Teams introduces per-user and group-based external domain access policies, giving admins granular control over which external domains specific users or departments can communicate with.
Microsoft will retire the activity-based authentication timeout for Outlook on the web starting in January 2026. Admins should switch to the Microsoft 365 idle session timeout to maintain consistent session control across web apps.
Microsoft is moving Office Scripts settings for Excel from the Microsoft 365 admin center to the Office Cloud Policy service. Admins must migrate their configurations before the rollout starts on 27 October 2025.
Microsoft has extended the Microsoft 365 Copilot app taskbar setting to include the new Microsoft 365 companion apps — People, Files, and Calendar. When enabled, these apps will be pinned to the Windows taskbar and automatically start on Intune-managed devices.