New update to address issue affecting organizations with Windows 10 devices enrolled on Extended Security Updates (ESU)


We are announcing the general availability of Dataverse Model Context Protocol (MCP) Server. The Dataverse MCP Server has been available in preview since May 2025 and will reach general availability to all regions on December 15, 2025.


Python in Excel allows you to bring the capabilities of Python directly into the Excel grid. As a part of this feature, users will be able to add Python formulas directly into their workbooks without any installation required. These Python formulas will be run by Excel in a secure container on the Microsoft Cloud with enterprise-level security as a compliant Microsoft 365 connected experience.

Customers can now customize their M365 profile cards by adding custom properties unique to their organization. These properties can be sourced from external systems like HR platforms, enriching user profiles with relevant organizational details. Tenant admins can configure these properties with a display name and icon, which will appear in the Contact Information section of the profile cards.

Microsoft Teams Rooms on Windows (Pro only) will support Miracast for wireless content sharing starting January 2026. The feature is off by default and can be enabled by admins via the IT portal. Compatible devices and Miracast support on laptops are required. No user impact unless enabled.

Tenant admins will soon manage SharePoint site branding centrally via PowerShell, enabling enforcement of enterprise themes, disabling custom branding per site, auditing changes, and applying themes during site creation. Theme management will centralize in the primary geo, with rollout from late 2025 to early 2026.

Starting mid-January 2026, custom scripting will be disabled by default on the tenant-wide SharePoint App Catalog site to enhance security. App operations remain unaffected, but new custom script changes will be blocked. Admins can temporarily opt out using PowerShell commands and should inform site owners accordingly.

Microsoft 365 Admin Center introduces a new pay-as-you-go experience under the Billing node for managing Backup and Copilot services starting December 2025. Admins can create billing policies, set budgets, and view usage. Existing Backup customer migration details will be announced later. No immediate action required.

Starting November 17, 2025, agents built with Agent Builder in Microsoft 365 Copilot can generate Word, Excel, and PowerPoint documents using the “Generate documents, charts, and code” skillset. This feature requires no admin action and will roll out worldwide by early December 2025.
