Microsoft 365 Message Center

Microsoft Teams will block messages containing unsafe, weaponizable file types in chats and channels starting September 2025 (targeted release) and November 2025 (general availability). Admins can enable this protection via Teams Admin Center or PowerShell. Blocked files include executables and o...

Microsoft Teams will introduce malicious URL protection in chats and channels, warning users about phishing links. Rolling out from September to November 2025, the feature requires admin activation during preview and will be on by default at general availability. It scans URLs using Microsoft Def...

The new SharePoint Content Management Assessment (CMA) dashboard, launching September–October 2025, helps admins evaluate site health, permissions, and lifecycle readiness. It automates governance tasks, strengthens security, and prepares sites for Copilot. CMA requires a SharePoint Advanced Mana...

Microsoft Project Online will retire by September 2026. Users must transition to alternatives like the new Microsoft Planner, Project Server Subscription Edition, or Project Operations to avoid data loss. The new Planner offers AI-powered features including Copilot. Data migration before retireme...

We are announcing a refresh to the header and navigation of model-driven

Microsoft Teams will let users report messages incorrectly flagged as security threats, available to organizations with Microsoft Defender for Office 365 Plan 2 or Defender XDR. The feature launches in September 2025 (Targeted Release) and November 2025 (General Availability), requiring admin ena...

By December 2, 2025, update firewall rules to include new Azure Front Door IP ranges (tagged “AzureFrontDoor.MicrosoftSecurity”) for Microsoft Intune. This ensures uninterrupted device and app management connectivity. Keep existing Intune endpoints and notify your IT/network team to implement the...

Microsoft 365 Copilot introduces two new SharePoint Admin Center skills: step-by-step task guidance and multi-variable site search for improved admin efficiency and governance. Available worldwide from October 6-7, 2025, these AI-driven features require a Copilot license and offer enhanced compli...

Microsoft Admin Center will enable admins to manage agent permissions with a unified view of applications, consents, and risk levels. Global Admins grant consent, allowing AI Admin Role to deploy agents. Rollout starts mid-September 2025, improving decision-making, efficiency, and automation for ...

Starting October 2025, Outlook will automatically set up classic Outlook Exchange Online accounts and settings in the new Outlook for Windows in the background, if conditions are met. This feature is on by default, preserves existing settings, and can be managed or disabled by admins via policy.

Microsoft Purview Information Protection will support sharing sensitivity-labeled files across Microsoft 365 clouds (Worldwide, GCC, GCC High, 21Vianet). Public preview starts mid-August 2025; general availability by late October 2025. The feature is off by default and requires admin configuratio...

AI Workflows in the Microsoft Teams Workflows app use Microsoft 365 Copilot scheduled prompts to automate tasks via templates. Available to licensed users, admins must enable the app. Rolling out from late September to October 2025, the feature is off by default and enhances productivity through ...