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Summary Multi-factor authentication (MFA) will be required for all users to access the Microsoft 365 admin center. Implementing MFA enhances account security by adding an additional layer of protection against unauthorized access. Global admins should set up MFA for their organization to prevent sign-in issues. Users should verify and update their verification methods for accessing …

Read More about MC1215070: Microsoft 365 admin center multifactor authentication enforcement

Summary Non-Microsoft SharePoint Embedded applications will support container archival, reducing storage costs by up to 75%. New Graph APIs will allow archiving and unarchiving of containers, enhancing integration with workflows. SharePoint Admin Center will include options for managing archived containers alongside existing tools. Archival support is OFF by default and must be enabled via PowerShell …

Read More about MC1215074: SharePoint Embedded apps can now archive containers to reduce storage costs and improve Copilot results

Summary New reports in Power BI will default to the PBIR format, enhancing compatibility with source control and modern development practices. Existing reports will automatically convert to PBIR upon editing and saving. Users working with PBIX files will not experience workflow changes, but metadata will utilize the PBIR format. Admins can opt out of the …

Read More about MC1215073: Power BI Report metadata defaults to Power BI Enhanced Report format (PBIR)

Summary A new RBAC role, Teams External Collaboration Administrator, will be introduced in the Microsoft Teams admin center for managing external collaboration settings. This role allows targeted administrative capabilities without full Teams admin permissions, specifically for managing external access settings and policies. Management under this role will only be accessible through PowerShell, and it does …

Read More about MC1215071: New Teams External Collaboration Administrator role

Summary New Windows 11 capabilities and tips for organizations to enhance productivity and security. Improvements include CVE reporting in Windows Autopatch, Microsoft Intune capabilities, and hardware-accelerated BitLocker. Resources for Secure Boot certificate updates and optimized multimedia call redirection on Azure Virtual Desktop and Windows 365. Native NVMe support introduced in Windows Server 2025. Organizations are …

Read More about MC1214913: Get started with December 2025 improvements in Windows 11

Summary Several legacy SharePoint Online features will be retired, including Information Management Policies and In-Place Records Management. These features will no longer be supported, may disappear from the user interface, and related configurations will not be available. Organizations are encouraged to migrate to Microsoft Purview Data Lifecycle Management and Purview Records Management before the retirement …

Read More about MC1211579 Microsoft Purview DLM: Retirement of SharePoint online information management and in-place records management features

Summary Preview automatic bank reconciliation matching results will be available in Finance and operations apps. Users can select rules for review and perform checks to ensure accurate matching. This feature aims to minimize errors during the automatic bank reconciliation process. The change is categorized as a new feature. No action is required from users; this …

Read More about MC1210135 Finance and operations apps: Preview automatic bank reconciliation matching results

Summary Auditing capabilities for entity routing configurations are being introduced in Dynamics 365 Contact Center and Customer Service. Administrators can create audit logs for various routing entities and configurations. Entities available for auditing include assignment rules, prioritization rules, and user groups, among others. This change is categorized as a new feature. Admin Impact: Low User …

Read More about MC1213470 Dynamics 365 Apps: Audit data for entity routing configurations and entities

Summary Microsoft Purview Customer Key support for Windows 365 Frontline in shared mode will be generally available, enhancing data protection. Newly provisioned Cloud PCs will be automatically encrypted using the tenant-specific Customer Key for organizations that have onboarded it. Existing Cloud PCs will not be affected by this change. There is no option to opt-out …

Read More about MC1211577: Microsoft Purview Customer Key for Windows 365 Frontline

Summary Several legacy SharePoint Online features will be retired, including Information Management Policies and In-Place Records Management. These features will no longer be supported, may disappear from the user interface, and related configurations will not be available. Organizations are encouraged to migrate to Microsoft Purview Data Lifecycle Management and Purview Records Management before the retirement …

Read More about MC1211579 Microsoft Purview DLM: Retirement of SharePoint online information management and in-place records management features

Summary Power Pages will support the creation and deployment of modern single-page applications. Users can build fully customized web experiences using front-end frameworks like React. This feature leverages Power Pages’ security, data integration, and hosting capabilities. No action is required from users regarding this change. More information can be found at the provided link. Admin …

Read More about MC1210747 Power Pages: Build modern single-page applications

Summary New controls in the Power Platform admin center allow admins to select external identity providers for Power Pages sites. Admins can enforce identity provider governance at the environment level while allowing site-specific exceptions. Only approved identity providers will be displayed during authentication setup for users. This change is categorized as a new feature and …

Read More about MC1210742 Power Platform admin center: Manage external authentication provider governance

Summary New debugging capability for automatic assignment in Dynamics 365 Contact Center with enhanced logging. Additional diagnostic information available in Application Insights for administrators. Key logged enhancements include presence, capacity changes, skill updates, queue membership, and assignment ruleset details. Logged information applies across voice, digital messaging, and record channels for transparency. No action required from …

Read More about MC1210746 Dynamics 365 Contact Center: Debug issues in automatic assignment with enhanced logs

Summary New debugging feature in Application Insights dashboard for Dynamics 365 Contact Center. Enables troubleshooting of routing delays and assignment issues. Visualizes conversation trends, assignment performance, and reasons for non-assignment. Provides detailed insights into representative capacity and skills during assignments. Allows self-serve troubleshooting directly within the Copilot Service workspace app. Admin Impact: Low User Impact: …

Read More about MC1210743 Dynamics 365 Contact Center: Debug routing issues with Application Insights dashboard

Summary The Dataverse SDK for Python allows developers to create intelligent, compliant, and scalable agentic flows integrating with Dataverse. Key capabilities include autonomous data agents, form prediction, and support for agentic primitives like Model Context Protocol and Agent-to-Agent collaboration. The SDK provides a streamlined developer experience with CRUD operations, bulk data processing, and observability tools. …

Read More about MC1210142: Build your agentic flows with Dataverse SDK for Python

Summary Introduction of the SharePoint list agent powered by Microsoft 365 Copilot for simplified list creation. Users can create SharePoint lists using natural language and convert structured content into lists. Available during Frontier Public Preview as an opt-in feature; will be ON by default at General Availability for eligible tenants. Admins have the option to …

Read More about MC1208689 – Streamline SharePoint list creation with new list agent

Summary Office for the web supports applying sensitivity labels with user-defined permissions in Word, Excel, and PowerPoint. This feature enhances document access control for organizations. User experience aligns with the permissions dialog in Office desktop apps. No changes to existing admin policies; current configurations are respected. All users of Word, Excel, and PowerPoint for the …

Read More about MC1208688 Microsoft Office for the web: Apply sensitivity labels with user-defined permissions

Summary Ability to delay settlements from journal posting in Dynamics 365 Finance Valid payments post successfully, even if settlement fails Immediate reflection of payments for enhanced cash flow visibility Failed settlements can be isolated and managed independently No action required for users to prepare for this change Admin Impact: Low User Impact: Low Release Start: …

Read More about MC1207023 Dynamics 365 Finance: Delay settlement from journal posting

Summary New feature allows testing of Case Management Agent’s performance with field prediction in Dynamics 365 Customer Service. Admins can simulate performance using historical case records or uploaded Excel files containing transcripts. This helps evaluate quality and determine the enablement of field prediction in production. Configuration changes can be made, and simulations can be re-run …

Read More about MC1204658 Dynamics 365 Customer Service: Simulate AI field prediction capability from Case Management Agent

Summary New feature to create case records from customer emails directly within Outlook using Microsoft 365 Copilot for Service. Enables one-click case creation by viewing customer emails. Automatically extracts and populates email details into the case fields. Provides customizable and editable fields for accuracy before saving cases. Awareness message; no action required from users at …

Read More about MC1204498 Microsoft 365 Copilot for Service: Create case records from customer emails with one click

Summary Business performance analytics in Dynamics 365 Finance will support hourly data refreshes. Automatic hourly updates reduce latency between data and analytics. Incremental data processing updates only new or changed records, conserving resources. Users can make quicker, data-driven decisions with up-to-date information. This change is categorized as a new feature for awareness. Admin Impact: Low …

Read More about MC1204654 Dynamics 365 Finance: Refresh data frequently in Business performance analytics

Summary Messaging security improvements in Microsoft Teams will enable key safety protections by default. New default settings include weaponizable file type protection, malicious URL protection, and the option to report incorrect security detections. Users may encounter warning labels for malicious URLs and blocked messages containing weaponizable file types. Organizations with customized messaging safety settings will …

Read More about MC1200576: Messaging safety defaults changing to “On” by default

Summary Introduction of GPT-Image-1.5 for enhanced image generation in Microsoft 365 Copilot and Copilot Chat. Improved prompt adherence, image editing precision, visual fidelity, and generation speed. No new admin controls or configuration changes; existing policies remain in effect. Users can expect higher-quality visuals, faster generation times, and better adherence to input requests. Tenants with current …

Read More about MC1200577: OpenAI’s GPT-Image-1.5 model is now available in Microsoft 365 Copilot

Summary Insider Risk Management will extend to detect and remediate risky activities of AI agents. Policies can be defined for AI agents accessing sensitive data or performing high-risk actions. A Risky Agents policy will be automatically deployed for agents hosted on Copilot Studio and Azure AI Foundry. Alerts will be generated when agent activities exceed …

Read More about MC1200579 Microsoft Purview | Insider risk managemen: Insider risk management for risky agents

Summary Auto-updates for firmware and apps on Teams Android devices will be paused during the holiday period. Admins can still perform manual updates in the Teams admin center (TAC). Updates will resume using standard rollout logic after the pause ends. This change affects admins managing Teams Android devices via TAC. No action is required before …

Read More about MC1200581: Auto-updates for Teams Android device firmware and apps will be paused during year-end holidays

Summary New capability to generate XAF 4.0 compliant audit files in Dynamics 365 Finance. Replacement of the outdated XAF 3.2 standard for digital financial audit files. Improvement in audit schema with reduced data elements and enhanced machine readability. Alignment with Referentie Grootboek Schema (RGS) and support for future EU digital tax frameworks. Deprecation of XAF …

Read More about MC1200563 Dynamics 365 Finance: Use regulatory update of the Audit File Financial – XAF 4 for Netherlands from 2026

Summary New Outlook for Windows will feature a customizable oversharing dialog for Data Loss Prevention (DLP). Admins can tailor the dialog with custom titles, body text, business justifications, dynamic tokens, and text formatting options. The feature is OFF by default and requires admin configuration to enable. Organizations currently using the feature in classic Outlook will …

Read More about MC1202974: Customizable oversharing dialog for DLP in New Outlook

Summary Microsoft Foundry will integrate with Microsoft Purview for managing AI-generated data. Admins can enable data sharing between Foundry and Purview with a toggle option. This feature supports compliance and security by monitoring AI interaction data. The change primarily impacts admins who manage Microsoft Foundry and Purview integrations. Preparation involves assigning the “Cognitive Services Security …

Read More about MC1202976: Microsoft Purview | Microsoft Foundry integration with Microsoft Purview for AI

Summary The “add chat messages to Dynamics 365 as notes or tasks” feature in Dynamics 365 Sales will no longer be supported. Users will lose access to this functionality once it reaches end of support. No action is required from users regarding this change. The change is categorized as a retirement of a service feature. …

Read More about MC1202798 Dynamics 365 Sales: Information regarding the end of support for add chat messages to Dynamics 365 as notes or tasks

Summary An incorrect property in the audit log shows a Microsoft email address instead of “Microsoft Corporation” for a default DLP policy deployment. The default DLP policy is in simulation mode to protect sensitive Microsoft 365 Copilot prompts. Audit events may indicate creation by a Microsoft service engineer, which is expected behavior, not a security …

Read More about MC1202962: Prevent/Fix Audit log property generated from Default Data Loss Prevention Policy for Microsoft 365 Copilot and Chat

Summary Microsoft Purview will update role management by mapping certain admin roles to new roles in Microsoft Entra for enhanced security. Automatic synchronization of role assignments will occur between Purview and Entra without requiring customer action. New Purview-specific roles will appear in audit logs, and direct assignment of these roles in Entra is not permitted. …

Read More about MC1199765 Microsoft Purview: Role management update

Summary A new purge mitigation action will be introduced in Microsoft Purview Data Security Investigations, allowing admins to delete sensitive or overshared content during investigations. The feature is enabled by default, requiring no configuration changes from admins. Admins can delete content based on investigation search queries to address data exposure. Existing admin policies regarding data …

Read More about MC1199763 Microsoft Purview | Data Security Investigations: Introducing new purge mitigation action

Summary Learning Activities feature is now available to educators and students using Microsoft 365 for Education A1/A3/A5 licenses and Microsoft 365 Copilot license holders. Users can easily create interactive activities like flashcards from existing content, enhancing the learning experience. The feature is enabled by default for eligible licenses, with the option for admins to disable …

Read More about MC1199766: Learning Activities now available in Microsoft 365 Education and Copilot

Summary Introduction of a new People Hub in Outlook Web with a modern, multi-column layout and enhanced search functionalities. Automatic linking of duplicate contacts and addition of organizational profile information to enrich contact details. Migration to the “New Contacts” experience will occur automatically, with no option to revert to the old version. No administrative action …

Read More about MC1199768 Outlook: New and improved People Hub on Web

Summary An issue has been identified affecting Message Queuing (MSMQ) functionality in enterprise environments after a December 2025 Windows security update. Windows Home or Pro editions are unlikely to experience this issue; it primarily affects enterprise setups. An out-of-band update has been released to address this issue through the Microsoft Update Catalog. Affected Windows versions …

Read More about MC1199746: Out-of-band update to address MSMQ service issues leading to queue operations and resource-related errors

Summary Support for version (3) of the Polish JPK-V7 audit file schema in Dynamics 365 Finance will be introduced. Ensures compliance with Polish Ministry of Finance requirements for VAT declarations and e-invoicing. Updates include new reporting tags and handling for e-invoice numbers. Processing flow for VAT declaration remains unchanged; only schema and data elements are …

Read More about MC1199540 Dynamics 365 Finance: Regulatory update for JPK-V7(3) schema – VAT declaration for Poland

Summary Integration between Microsoft Teams and Microsoft Defender for Office 365 enables management of blocked external users through the Tenant Allow/Block List in the Defender portal. Security admins can add, delete, and view blocked users and domains for Teams; incoming communications from blocked users will be prevented and existing communications deleted. Audit logs will be …

Read More about MC1200058: Admins can block external users in Microsoft Teams from Defender Portal