(Updated) Microsoft Teams: Chat with anyone with an email address

MC1182004 | December 12 – Microsoft Teams now allows users in certain small and medium business tenants to chat with anyone via email without requiring the recipient to have a Teams account, joining as a guest if allowed by tenant policies. This feature, enabled by default, rolled out in late 2025 and is generally available worldwide in February 2026.
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(Updated) Please update Microsoft 365 Office apps to a version higher than 16.0.18827.20202

MC1127222 | December 12 – Update Microsoft 365 Office apps to version 16.0.18827.20202 or later by September 2026 (November 2026 for GCC/GCC High/DoD) to maintain Read Aloud, Transcription, and Dictation features, which will stop working on earlier versions due to backend service upgrades.
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(Update)Action Required: Trust DigiCert Global Root G2 Certificate Authority for using Entra services by January 7, 2026

MC1193408 | December 12 – By January 7, 2026, Microsoft Entra will switch from DigiCert Global Root G1 to G2 certificates. Organizations must trust the DigiCert G2 root CA to avoid authentication failures with Entra services. Remove any pinning to G1 and update trust settings to prevent service disruption.
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(Updated) Microsoft Teams: Collaborative Notes in Chats

MC1148543 | December 11 – Microsoft Teams will introduce Collaborative Notes in group chats, enabling real-time co-creation of notes, agendas, and action items via a new Notes tab. Rollout starts late September 2025 for Targeted Release and early November 2025 for General Availability. The feature is on by default and manageable via Teams Admin Center or PowerShell.
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Microsoft baseline security mode for Office, SharePoint, Exchange, Teams, and Entra

MC1193689 | December 10 – Baseline Security Mode centralizes Microsoft’s recommended security standards for Office, SharePoint, Exchange, Teams, and Entra. Rolling out from November 2025 to March 2026, it provides admins with a dashboard to assess and improve security posture using impact reports and risk-based recommendations, with no immediate user impact.
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The December 2025 Windows security update is now available

MC1193628 | December 9 – The December 2025 security update is now available for all supported versions of Windows. We recommend that you install these updates promptly. For more information about the contents of this update, see the release notes, which are easily accessible from theWindows 11update history page. To learn more about the different types of monthly quality updates, see View more

Microsoft SharePoint: Retirement of IDCRL authentication protocol and enforcement of OpenID Connect and OAuth protocols

MC1184649 | December 9 – Microsoft is retiring the legacy IDCRL authentication protocol in SharePoint Online and OneDrive for Business by January 31, 2026, enforcing modern OpenID Connect and OAuth protocols. Legacy authentication will be blocked by default, with temporary re-enablement via PowerShell until April 30, 2026, and permanent retirement from May 1, 2026. Organizations should migrate to modern authentication promptly.
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Retirement of several Microsoft Planner features in early 2026 as part of a Planner update

MC1193421 | December 9 – In early 2026, Microsoft Planner will roll out a major update with new features like task chats and custom templates, while retiring features including the old task comments, whiteboard tab for premium plans, iCalendar feed, Planner integration in Viva Goals, and Planner components in Loop pages. Some features will be temporarily unavailable. No admin action is needed.
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Content Security Policies (CSP) are coming to SharePoint Online and might impact your custom SPFx solutions

MC1193419 | December 9 – Starting March 1, 2026, SharePoint Online will enforce Content Security Policy (CSP), blocking scripts from non-trusted sources in custom SPFx solutions. To avoid disruption, ensure all scripts come from trusted sources and move inline scripts to files. CSP enforcement can be postponed 90 days via PowerShell.
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Microsoft Teams: Find SharePoint agents in Teams chats and Teams Store

MC1193415 | December 9 – Users can discover and add SharePoint agents directly in Microsoft Teams chats on Desktop and Mac via the Add Agents and Bots option or the Teams Store under Agents. The feature rolls out in January 2026, requires no admin action, and supports users with appropriate licensing.
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Microsoft 365 Admin Center: Retirement of Technology Experiences score from Adoption Score

MC1193412 | December 9 – The Technology Experience score and its sub-scores will be retired from the Microsoft 365 Adoption Score between Jan 15-30, 2026. The Adoption Score will then reflect only the People Experiences sub-score, reducing the maximum score from 900 to 600. This change is automatic and affects admins, not end users.
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(Update)Support for Events from email in Outlook is changing—Schema.org markup required for reliable calendar extraction

MC1158908 | December 8 – Outlook’s Events from email feature requires providers to adopt Schema.org markup for reliable calendar event extraction. Legacy extraction is fragile and unsupported, causing errors and missing events. Providers should transition early to maintain accuracy; 94% still use legacy. Contact txppro@microsoft.com for onboarding assistance.
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(Updated) Microsoft Teams: Private channels increased limits and transition to group compliance

MC1134737 | December 8 – Microsoft Teams private channels will transition to use a channel mailbox, increasing limits to 1000 channels per team and 5000 members per channel, with meetings allowed. Compliance policies will shift to team group level. Migration starts October 2025, completing by January 2026; new features roll out February 2026.
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Coming Soon: Anthropic models will be available by default in Copilot experiences

MC1193290 | December 8 – Starting January 7, 2026, Anthropic models will be enabled by default in many Microsoft 365 Copilot experiences under Microsoft’s Product Terms and Data Protection Addendum. Admins can toggle this setting, with default off in EU/EFTA, UK, and government clouds. Anthropic is now a Microsoft subprocessor, ensuring contractual and data protection compliance.
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Microsoft Dataverse – Monitor batch workloads with Azure Monitor Application Insights

MC1196484 | December 14 – We are announcing the ability to monitor batch workload telemetry in Azure Monitor Application Insights for finance and operations apps in Microsoft Dataverse. This feature is planned to reach general availability on January 14, 2026.How does this affect me?Batch telemetry enables admins the ability to diagnose performance bottlenecks and scheduling issues more effectively. Azure Monitor Application Insights provides built-in support for alerts and dashboards that provide…
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(Updated) New Copilot button in file previewer for OneDrive and SharePoint

MC1182707 | December 12 – A new Copilot button will appear in the bottom-right corner of the OneDrive and SharePoint file previewer, replacing the command bar button. It provides access to Copilot chat and contextual prompts for paid Copilot license users. Rollout begins mid-November 2025, excluding GCC, GCCH, and DoD customers.
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(Updated) Announcing the new pay-as-you-go experience in Microsoft 365 Admin Center

MC1186367 | December 12 – Microsoft 365 introduces a new pay-as-you-go experience in the Admin Center starting December 15, 2025, for Backup and Copilot customers. It centralizes billing management, policy creation, budgeting, and usage tracking under the Billing node, with additional services to be added over time. No immediate action required.
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External authentication methods (EAM) – Public preview update

MC1192252 | December 12 – External Authentication Methods (EAM) Public Preview will enforce registration starting December 8, 2025. Existing users are pre-registered; new users after December 2, 2025, must complete in-line setup. Admins can register users. Organizations should prepare by communicating changes and reviewing configurations.
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(Updated) Microsoft Copilot dashboard (in Viva Insights): New benchmarks to compare Copilot usage across organizations

MC1146816 | December 12 – Microsoft is adding benchmarks to the Copilot dashboard in Viva Insights, enabling organizations to compare internal and external Copilot usage. Rollout begins mid-October 2025. Benchmarks use anonymized data, include admin controls, and help improve adoption strategies. Organizations should review access and update training accordingly.
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Microsoft Outlook: Replace quick compose pop-up with inline appointment creation in new Outlook for Windows and web

MC846387 | December 12 – In new Outlook for Windows and web, single-clicking an empty calendar slot will enable inline appointment creation instead of a quick compose pop-up, aligning with classic Outlook. Rollout starts October 2025, completing by March 2026, with no admin action required but user notification recommended.
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(Updated) Microsoft Outlook: Copilot chat now available to summarize emails for more users

MC1124564 | December 12 – Microsoft Outlook will roll out a Copilot chat feature to summarize email threads with one click, available to users with Copilot chat pinned, even without a Copilot license. The rollout starts late August 2025, is on by default, manageable by admins, and includes compliance and audit considerations.
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(Updated) Microsoft OneDrive for Business: Agents in OneDrive

MC1181765 | December 12 – Agents in OneDrive let users group files for AI-powered project assistance, enabling questions, summaries, and collaboration. Available worldwide from mid-November 2025, this feature requires a Microsoft 365 Copilot license. Agents are saved as .agent files in OneDrive, editable, shareable, and managed via admin controls.
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(Updated) New Tools feature coming to the Microsoft Copilot Chat prompt box

MC1122153 | December 12 – Starting October 2025, Microsoft Copilot Chat will feature a new Tools button providing easy access to task-specific AI capabilities based on user licenses. Rollout completes by January 2026, requires no admin action, and improves feature discoverability and usability. Inform users and update documentation as needed.
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(Updated) Microsoft 365 Copilot usage metrics are now available in Graph API V1.0

MC877369 | December 12 – Microsoft 365 Copilot usage metrics will be available in Microsoft Graph API v1.0 starting mid-December 2025, enabling programmatic access for reporting. Beta endpoints will retire March 31, 2026. No admin action is needed before rollout, but updating code from Beta to v1.0 is recommended.
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(Updated) Upcoming Change to Teams Desktop Client on Windows

MC1189656 | December 12 – Thank you for the valuable feedback we’ve received. We are currently reassessing the rollout timelines to ensure alignment with your needs and operational requirements. You can expect a formal update from us by mid to late January 2026.
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(Updated) Microsoft 365 admin center – Usage reports: Agent usage (preview)

MC1148545 | December 12 – A new preview usage report for Microsoft 365 Copilot Chat agents is available in the Microsoft 365 admin center, showing active users, agents, usage details, and segmentation by license and creator type. It covers up to 30 days and excludes data before August 19, 2025. General rollout begins March 2026.
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Microsoft 365 admin center: Usage reports to manage metered consumption costs for Microsoft 365 Copilot Chat (preview)

MC1069563 | December 12 – A new Message consumption usage report for Microsoft 365 Copilot Chat pay-as-you-go billing is in preview, showing message usage by tenant, user, agent, and billing policy. It alerts when users exceed 2000 billed messages. Rollout begins March 2026, requiring no admin action.
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SharePoint site analytics: OneNote usage included in site usage reports

MC1194626 | December 12 – SharePoint site analytics will include OneNote file usage, increasing reported site metrics like unique viewers and visits. Popular content reports will show frequently accessed OneNote files. The update rolls out worldwide from mid-January to mid-February 2026, requires no admin changes, and may raise site usage numbers.
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Microsoft Excel: Enabling M365 subscribers to use Copilot Chat in locally stored modern workbooks

MC1194615 | December 12 – Microsoft 365 subscribers will be able to use Copilot Chat in locally stored Excel modern workbooks starting mid-December 2025, with rollout completing by January 2026. This feature is enabled by default and aligns functionality with workbooks stored in SharePoint or OneDrive.
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Microsoft Viva – Viva Glint: Export Executive Summary report in Viva Glint to editable PowerPoint slides

MC1194612 | December 12 – Managers can soon export Viva Glint Executive Summary reports as editable PowerPoint slides, enabling easier customization and faster sharing. This native export improves layout, reliability, and performance, starting early January 2026. The previous screenshot export remains available for custom templates. No admin action is needed.
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(Updated) Microsoft 365 Copilot: Steer your presentation length, tone, style, and images when creating with Copilot

MC1185911 | December 12 – Microsoft 365 Copilot now lets users adjust presentation length, tone, style, and add AI-generated images. Available worldwide from December 15, 2025, on Desktop, Web, and Mac, these features require a Copilot license and will be enabled by default with no admin changes needed.
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Microsoft Purview |Insider Risk Management – Enhancements to variant limits and detection groups

MC1194606 | December 12 – Microsoft Purview Insider Risk Management will increase variant limits per indicator from 3 to 10, total variants to 100, and detection group capacity from 200 to 500. Rollout starts December 2025 (preview) and January 2026 (general availability). No privacy or compliance changes; admins can review policies to utilize new limits.
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Microsoft Teams: Best Practice dashboard to monitor VDI optimization for meetings

MC1194604 | December 12 – A new Best Practice Configurations Monitoring Dashboard will roll out in early 2026 in the Teams admin center, helping admins monitor and remediate VDI optimization issues in meetings. It highlights non-conformance, shows impacted locations, and allows export of user data for targeted fixes.
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Manage version expiration for audio and video files in SharePoint Online

MC1194603 | December 12 – SharePoint Online will enable admins to set version expiration policies for audio and video files to reduce storage and manage versions. Rolling out mid-Dec 2025, it supports PowerShell controls at tenant, site, and library levels, with compliance considerations for retention and legal holds.
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(Updated) Changes to how users install Microsoft 365 apps from the Microsoft 365 Copilot app

MC1062453 | December 12 – The My account portal will be replaced by a modal in the Microsoft 365 Copilot app for self-installing apps. Users should update communications to remove My account links and refer to official Microsoft documentation. Admins can continue blocking installs via admin center settings or API; Conditional Access blocking no longer works.
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Power Platform – Power Platform Environment Settings app

MC1194585 | December 12 – Starting on December 22, 2025, the Power Platform Environment Settings app for Power Platform will become the default experience for managing all environment settings, replacing the legacy Advanced Settings experience.How does this affect me?Currently, Advanced Settings under the settings gear in the Power Apps and Power Pages Maker Portals will direct admins to the classic settings management experience on the web. Environment settings links within the Power…
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Power Platform Monitor – Announcing Copilot Studio agent health metrics and alerts in Public Preview

MC1194567 | December 11 – We are announcing two new features in Power Platform Monitor that will be available in Public Preview on November 28, 2025:Copilot Studio product list page (Preview) – Tenant and environment admins can view operational health metrics for conversational and autonomous agents created in Copilot Studio that are under their purview.Agent Alerts (preview) – They can also configure alert rules to proactively detect health issues for agents in Managed…
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Coming soon: IT admins will be able to customize recording and transcription notifications in Teams

MC1194071 | December 11 – Starting January 2026, IT admins can customize Teams recording and transcription notification messages and privacy links per meeting policy, aligning consent language with organizational needs. Custom messages have a 200-character limit, support explicit and implicit consent, and apply only when enabled. Default messages remain if no custom text is set.
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(Updated) Microsoft SharePoint: Update to News web part “See all” experience

MC1182713 | December 11 – The SharePoint News web part “See All” experience rollout is paused due to an issue, now resuming in February 2026. It features a refreshed mosaic layout and AI capabilities requiring a Microsoft 365 Copilot license. No admin action is needed; core functionality remains unchanged.
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(Updated) Microsoft 365 Copilot: Session persistence enhancement for Copilot chat

MC1174856 | December 11 – Microsoft 365 Copilot chat now preserves conversations by creating a session entry in the navigation pane when a prompt is submitted, allowing users to return without losing progress. This update rolls out worldwide from December 12, 2025, with no admin action required.
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(Updated) Microsoft Teams: Trust Indicators – a new way of representing users outside your organization

MC1162276 | December 11 – Microsoft Teams will introduce Trust Indicators—visual badges identifying external, guest, or anonymous users—to reduce oversharing risks. Public preview starts late September 2025; general rollout begins mid-February 2026. The feature is on by default, requires no admin action, and appears across multiple Teams surfaces.
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(Updated) Microsoft Custom engine agents: Introducing file upload support

MC1179162 | December 11 – Microsoft is adding file upload support to Custom engine agents, allowing users to upload files from local storage or OneDrive for agent interaction. This feature, already in Microsoft 365 Copilot Business Chat, will roll out globally from February 2026, be enabled by default, and require no admin changes.
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Windows Office Hours: December 18, 2025

MC1194479 | December 11 – If you are an IT admin with questions about managing and updating Windows, we want to help. Every third Thursday of the month, we host a live chat-based event on the Tech Community called Windows Office Hours. Members of the Windows, MicrosoftIntune, Windows Autopilot, Windows Autopatch, and Windows 365 engineering teams will be standing by to answer your questions. We also have experts from FastTrack, the Customer Acceleration Team, and Microsoft public sector…
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(Updated) Microsoft 365 Copilot: Manage and deploy user-level connectors in Microsoft 365 admin center

MC1188234 | December 11 – Microsoft 365 Copilot introduces federated connectors enabling real-time data access from apps like Notion and Canva within Copilot. Admins manage these via the Microsoft 365 admin center, controlling availability and compliance. Public preview starts January 12, 2026, requiring a Copilot license and web platform use.
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(Updated) Rate my call feedback experience update in Microsoft Teams

MC1183608 | December 11 – Microsoft Teams will update the Rate My Call survey to a single-screen thumbs up/down system with problem tokens and comments, rolling out late January 2026. Feedback metrics in the Call Quality Dashboard will change, possibly increasing reported poor calls due to higher user reporting, not service decline.
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Microsoft Teams: Restart Event feature for Town Hall with unrecoverable failures

MC1194079 | December 10 – Microsoft Teams will introduce a Restart Event feature for live events with unrecoverable failures, rolling out worldwide from January to February 2026. Organizers can restart events to minimize disruption, with no admin setup needed. Attendees may face brief interruptions but can rejoin seamlessly.
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Microsoft Purview | Data Lifecycle Management – New cmdlet to remove retention holds from inactive mailboxes

MC1194077 | December 10 – Microsoft Purview introduces new opt-in cmdlet parameters to remove retention holds from inactive mailboxes, enabling permanent deletion while respecting compliance. The ExcludeFromAllHolds parameter removes most holds except eDiscovery and litigation holds, and RemoveComplianceTagHold targets only Compliance Tag holds. Rollout begins December 2025.
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Microsoft 365 Copilot: Declarative agents model upgrade to GPT-5.1

MC1194070 | December 10 – Microsoft 365 Copilot declarative agents will upgrade to the GPT-5.1 model with an auto architecture by mid-January 2026. The upgrade enables advanced reasoning for complex queries, requires no admin changes, is enabled by default, and affects all tenants using these agents. No action or compliance concerns are noted.
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Microsoft Teams: Enhancing update efficiency through peer-to-peer (P2P) download

MC1194069 | December 10 – Microsoft Teams will use peer-to-peer update distribution via Delivery Optimization starting December 2025, enabling devices on the same network to share update files. This reduces CDN bandwidth use, speeds updates, and saves up to 30% bandwidth. No admin action is needed, but network policies should allow Delivery Optimization.
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Latest on Windows quality updates out of the box – now disabled by default

MC1194065 | December 10 – Starting with the January 2026 security update, theAllowOOBEUpdatesCSP policy will be available and disabled by default.It showsup as a newsettingon the Windows Autopilot Enrollment Status Page (ESP).This policy allows you to install the latest Windows quality updates during the out-of-box experience (OOBE) on eligible devices. Devices must be Microsoft Entrajoinedor Microsoft Entra hybrid joined and running Windows 11, version 22H2 or…
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IP address changes in Defender for Identity v2.x sensor communication

MC1194061 | December 10 – Microsoft Defender for Identity v2.x sensors will start using new IP addresses from the AzureAdvancedThreatProtection service tag range beginning mid-December 2025. Organizations restricting outbound IPs must update firewall rules to allow this range to avoid connectivity loss; no action is needed if the full range is already allowed.
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(Updated) New features coming to Copilot Notebooks for Frontier users

MC1187387 | December 10 – New features for Copilot Notebooks in M365 apps will roll out starting mid-November 2025, with general availability in January 2026. Updates include improved navigation, personalized suggestions, an overview page, and expanded AI references. Features will be on by default for Frontier Public users with no admin action needed.
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(Updated) Improved People Skills Admin configuration

MC1191920 | December 10 – Microsoft 365 is enhancing People Skills admin controls by enabling admins to turn off user experiences, manage settings via the Admin Center without PowerShell, and import custom skills libraries. Rollout begins mid-December 2025, allowing phased deployment, privacy compliance, and easier configuration. No action required now.
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(Updated) Microsoft Teams: Miracast support for Teams Rooms on Windows (Teams Rooms Pro only)

MC1186374 | December 10 – Microsoft Teams Rooms on Windows (Pro only) will support Miracast for wireless content sharing, rolling out from mid-February to March 2026. The feature is off by default, enabled via admin portal, requires Miracast-compatible laptops, and has no impact unless activated. Prepare by reviewing compatibility and updating documentation.
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Dynamics 365 Customer Insights – Journeys – Wait on segment membership to trigger next step in a journey

MC1193604 | December 10 – We are announcing the ability to have a journey wait for a customer to become a member of a segment before continuing in Dynamics 365 Customer Insights – Journeys. This feature will reach general availability on December 19, 2025.How does this affect me?With this capability, you can personalize each customer’s experience by choosing the correct path and actions relevant to individual customers based on whether they’re in a segment. This capability adds to existing if/then…
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Microsoft 365 Copilot: Email triage with pin, flag, archive, and mark read

MC1193695 | December 10 – Microsoft 365 Copilot will enable natural language commands for email triage—pinning, flagging, archiving, marking read/unread, and completing tasks—in Outlook. Available mid-December 2025 for licensed users, this feature requires no admin changes and aims to simplify inbox management.
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Viva Glint: Add a partner to Viva Glint

MC1193694 | December 10 – Microsoft will enable admins to onboard external partners to Viva Glint via a simplified process starting December 2025. Partners can be added as Support Users through Entra ID guest accounts to manage employee engagement surveys. Admin action is required to enable partner access, with guidance provided for setup and communication.
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SharePoint catalog management

MC1193693 | December 10 – SharePoint Catalog Management, launching mid-November 2025, offers centralized, intelligent site clustering for admins to streamline governance, apply policies, and optimize management. Available in SharePoint Advanced Management, it enables scalable lifecycle, access, and storage controls without affecting end users. No immediate action required.
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Microsoft 365: Enrich profile cards with custom properties from third-party systems

MC1193692 | December 10 – Microsoft 365 will allow tenant admins to add up to 10 custom properties from external systems to user profile cards, enhancing collaboration. This feature, off by default, rolls out worldwide from mid to late January 2026 and is configurable via Microsoft 365 admin center using Microsoft Graph People connectors.
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Power Platform – New data request metrics for Power Platform Monitor and Power Apps Monitor for canvas apps

MC1193465 | December 9 – We are announcing two new operational-health metrics for Power Platform Monitor and Power Apps Monitor for canvas apps: Data Request Success Rate and Data Request Latency. These metrics help users better understand the reliability and responsiveness of data calls in their canvas apps. These new metrics will be available to all production customers by December 19, 2025.How does this affect me?Users will see two new metrics in Power Platform Monitor and Power Apps…
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Power Platform – Power Platform Monitor Overview page and predefined alerts

MC1193456 | December 9 – We are announcing the ability for admins to access the new Power Platform Monitor Overview page and predefined alerts, which allows them to efficiently assess the state of their resources, identify potential issues and make informed decisions to maintain optimal operational performance across their tenant. This updated feature will be available to all customers on December 19, 2025.How does this affect me?The new Monitor Overview page gives admins two cards:One card…
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(Updated) Microsoft 365 Copilot: Content Sources in Copilot Chat

MC1127230 | December 9 – Microsoft 365 Copilot will allow licensed users to select specific content sources for Copilot Chat responses, improving relevance and control. This feature rolls out globally from January to end of January 2026, is enabled by default, requires no admin action, and does not affect existing policies.
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Microsoft 365 Copilot: Add web links as references in Copilot Notebooks

MC1193414 | December 9 – Microsoft 365 Copilot Notebooks will allow users with a Copilot license to add public web links as references, expanding beyond file types like Word and Excel. This feature, enabled by default, will roll out worldwide from mid-November 2025 to mid-January 2026. No special preparation is needed.
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Microsoft 365 Copilot: Data source-specific filters in search

MC1193413 | December 9 – Microsoft 365 Copilot search will introduce dynamic, data source-specific filters for Outlook, SharePoint, Teams, and others, enabling precise result refinement. This feature, requiring a Copilot license, will roll out from mid-November 2025 to early January 2026, enabled by default with no admin changes needed.
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Automatic Windows event auditing configuration availability for unified sensors (V3.x)

MC1193410 | December 9 – Starting January 2026, Microsoft Defender for Identity unified sensors (v3.x) will offer an opt-in feature for automatic Windows event-auditing configuration, simplifying deployment by auto-applying required settings on new and misconfigured existing sensors. Admins must enable this feature via UI or Graph API.
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Teams admin center: Troubleshoot meetings and calls with automatic issue identification and recommendations

MC1193405 | December 9 – Teams admin center will enhance meeting troubleshooting with automatic issue identification, detailed participant data, smarter search, and M365 Copilot integration. Rollout begins late January 2026, enabling admins to quickly diagnose and resolve meeting and call problems with improved tools and insights.
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(Updated) New request and approval experience for Microsoft agents in the Microsoft 365 admin center

MC1134738 | December 8 – Starting January 2026, Microsoft 365 admin center introduces a new request and approval system for Microsoft-built agents, allowing centralized management of access requests via the Copilot > Agents & connectors page. Admins maintain full control with no setup required; rollout completes by end of January 2026.
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How to use Microsoft Intune to update expiring Secure Boot certificates

MC1193371 | December 8 – You can nowdeploy, manage, and monitor Secure Boot certificate updates.This method represents an alternative tosettingregistry keys and using Group Policy.You canuse Intune todeployonall domain-joined Windows clients, opt out of high-confidence buckets, and opt into Microsoft managing these updates.When will this happen:Thefollowingsettings…
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(Updated) Microsoft 365 Copilot: RSVP to meetings directly in Copilot chat

MC1192258 | December 8 – Microsoft 365 Copilot chat will allow users to RSVP to meetings directly with options like Accept, Decline, Tentative, Follow, or Remove canceled meetings. This feature rolls out worldwide from mid-December to late December 2025, is on by default, requires no admin action, and affects licensed users.
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(Updated) Copilot Dashboard: Updated meeting metrics for Intelligent Recap

MC1085574 | December 8 – The Copilot Dashboard now includes updated meeting metrics combining summarized and recapped activities, replacing prior Copilot Assisted Hour calculations. These changes, rolling out from late 2025, enhance visibility into Intelligent Recap usage in Teams and are reflected in both the dashboard and M365 Copilot Impact report with added query options.
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(Updated) PowerPoint adds AI-powered image editing with “Designer editor”

MC1187787 | December 8 – PowerPoint’s new AI-powered Designer editor, rolling out mid-December 2025, enables in-app image editing with features like generative erase/move, text editing, background removal, and auto-enhance. Available to all Microsoft 365 users, it requires no action to enable but can be managed via admin policies.
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(Updated) Viva Engage: Update community cover photos in Teams for iOS.

MC1191346 | December 8 – Viva Engage community admins can soon update community cover photos directly from the Teams iOS app, aligning with existing desktop, web, and Android capabilities. This feature, enabled by default, will roll out worldwide from late December 2025 to early January 2026, requiring no admin action.
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(Updated) Learning agent in Frontier

MC1187676 | December 8 – The Learning agent is now available in Frontier, offering personalized microlearning and Copilot tips within Microsoft 365 tools. It’s deployable via the Copilot Control Center for licensed users, with admin controls for management. Frontier features are experimental and opt-in, requiring setup of People Skills and licensing confirmation.
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(Updated) Microsoft 365 Copilot: Copilot chats in search results

MC1189002 | December 8 – Microsoft 365 Copilot will integrate historical Copilot chats into Microsoft Search, allowing users to retrieve past interactions from notebooks, agents, and the main chat via a new “Copilot Chats” data source. This feature requires a Copilot license and will roll out worldwide from November to December 2025.
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(Updated) Microsoft Teams: Meeting participants can request collaborative annotation sessions

MC1019312 | December 8 – Microsoft Teams will soon allow meeting participants to request collaborative annotation sessions during screen sharing on Windows and Mac desktops. Rollout begins February 2026, with presenters able to accept or deny requests. Anonymous users cannot request. No admin action needed; users should be notified.
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(Updated) Restrict new file creation in Office desktop apps to Cloud Locations

MC1137593 | December 8 – Starting late August 2025, IT admins can restrict new Word, Excel, and PowerPoint files to be created only in Cloud Locations via a Group Policy. This enhances security and compliance by ensuring files are saved in OneDrive, SharePoint, or third-party Clouds, with rollout completing by December 2025.
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