Message center announcements
September 15, 2025 – September 21, 2025
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Retiring Power BI “Visualize the List” and “Visualize the Library” Features in SharePoint Online
MC1156359 | September 20 – Power BI’s legacy “Visualize the List” and “Visualize the Library” features in SharePoint Online will retire between mid-November and mid-December 2025. Users can no longer create or access reports via these features, but Export to Power BI and Power BI Desktop connections remain supported. No admin action is required.
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(Updated) Teams Admin Center: Control External Access by Domain for Specific Users and Groups
MC1150123 | September 19 – Microsoft Teams now allows admins to assign custom external access policies by user or group, enabling granular control over which external domains they can interact with. This feature, available via PowerShell during preview and later in the Teams admin center UI, supports five policy options for tailored external collaboration.
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Legacy TLS cipher suites will be deprecated in M365 services on October 20, 2025
MC1155427 | September 18 – Microsoft 365 will deprecate legacy TLS cipher suites lacking forward secrecy on October 20, 2025, supporting only specified TLS 1.3 and 1.2 cipher suites. Organizations must update systems and configurations to maintain connectivity and security compliance.
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Microsoft Teams: Private channels increased limits and transition to group compliance
MC1134737 | September 18 – Microsoft Teams private channels will transition to using a channel mailbox, increasing limits to 1000 channels per team and 5000 members per channel, with meetings supported. Compliance policies will shift from user mailboxes to the team’s group mailbox. Migration starts October 2025; admins must update policies by September 20, 2025.
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(Updated) Microsoft Teams: Rule-based enablement of Microsoft 365 third-party apps in the Teams admin center
MC1085133 | September 18 – Microsoft Teams will enable admins to manage Microsoft 365 certified third-party apps by rules in org-wide settings, enhancing security. This feature rolls out globally from mid-July to mid-October 2025, allowing bulk app availability control based on permissions and publishers, with no prior admin action needed.
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(Updated) Outlook Web Access and new Outlook: ‘Mobile devices’ settings page to be removed
MC1130607 | September 17 – Starting October 6, 2025, the ‘Mobile devices’ settings page in Outlook Web Access and new Outlook will be removed by November 6, 2025. Users must manage devices via Microsoft Intune, the My Account portal, or native iOS/Android tools. No admin action is required; inform users and update documentation.
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Reminder – Support for Office 2016, Office 2019, and additional apps will end on October 14, 2025
MC1154299 | September 16 – Support for Office 2016, Office 2019, Visio 2016/2019, Project 2016/2019, and related apps ends October 14, 2025. After this, no updates or support will be provided, risking security, compliance, and performance. Upgrading to Microsoft 365 Apps or Office LTSC 2024 is recommended.
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(Updated) Manager insights now in Viva Insights web app, with new team view for Copilot Dashboard
MC1136039 | September 16 – The Viva Insights web app will become the central hub for manager insights, featuring a team-scoped Copilot Dashboard, additional tailored reports, delegation support, and analyst-published reports. This replaces manager capabilities in the Viva Insights Teams app, rolling out worldwide from mid-September to early October 2025.
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Update: Rollout of the Microsoft Entra ID Free subscription
MC1156361 | September 20 – Microsoft is rolling out the no-cost Microsoft Entra ID Free subscription to track Entra tenant ownership via billing accounts. It will appear in Microsoft 365 and Azure portals starting October, requires no action, does not affect billing or functionality, and helps manage tenant ownership securely.
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Microsoft 365 Copilot: Copilot Chat for Teams Chats, Channels, Calling, and Meetings
MC1156360 | September 20 – Microsoft 365 Copilot Chat is being integrated side-by-side in Teams Chats, Channels, Calling, and Meetings for licensed users on desktop and web. Public preview starts October for chats and calls, December for meetings, with general availability following. Prior Copilot history remains accessible via the More Options menu.
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(Updated) Microsoft Viva Amplify and SharePoint News: Videos will play in Microsoft Outlook instead of web browser
MC1102792 | September 19 – Starting early July 2025 through late November 2025, videos embedded via Stream in Microsoft Viva Amplify and SharePoint News will play inline within Microsoft Outlook (Windows and web), eliminating the need to open a browser. This feature is enabled by default with no admin action required.
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(Updated) Microsoft Teams: New user setting to view incoming calls in a small window
MC1045221 | September 19 – Microsoft Teams will introduce a default setting allowing users to view incoming calls in a small, resizable window to reduce disruption. Rollout begins May 2025 for most users, with GCC and DoD completing by October 2025. No admin action is needed, but user notification is recommended.
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(Updated) Microsoft 365 Copilot | New admin policy for harmful content access in Microsoft 365 Copilot
MC1133507 | September 19 – Microsoft 365 Copilot introduces a new admin policy allowing specific roles to access harmful content in Copilot Chat, disabled by default. Rollout starts late September 2025. Admins can assign this policy to enable users to disable harmful content protection per conversation, requiring a Copilot license.
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(Updated) Microsoft 365 Copilot | PowerPoint now supports enterprise image libraries via SharePoint OAL or Templafy
MC1120269 | September 19 – Microsoft 365 Copilot in PowerPoint will support enterprise image libraries via SharePoint OAL or Templafy starting September. Admins can connect branded image libraries for users to generate slides with organization images, ensuring brand consistency. Setup requires metadata-rich images and admin configuration.
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Copilot Studio – Analyze business impact of copilot studio agents in Viva Insights advanced insights – New date
MC1127831 | September 19 – We are announcing the ability to Analyze business impact of Copilot Studio agents in Viva Insights advanced insights in Microsoft Copilot Studio. This feature provides an aggregated view for Insights Analysts to understand how their copilot studio agents perform and what business value they provide. This feature will reach general availability on October 15, 2025.How does this affect me?Insights Analysts will receive an aggregated business impact report for all their…
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(Updated) Viva Engage: Agents in Viva Engage communities Public Preview
MC1155311 | September 19 – Viva Engage agents are in Public Preview starting September 18, 2025, allowing community admins to add AI agents that draft answers using community and SharePoint content. SharePoint grounding will enhance answer accuracy by late September. General Availability is planned for early 2026, with admin controls for posting and content access.
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Facilitator agent to be generally available in Teams meetings
MC1155927 | September 19 – The Facilitator agent, now generally available for Microsoft 365 Copilot-licensed users, enhances Teams meetings by surfacing agendas, tracking progress, capturing highlights, and integrating with Planner, Word, Loop, and Teams Rooms. Users can enable it before or during meetings; no admin action is required.
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(Updated) Audio overviews now available for files
MC1130396 | September 19 – Audio overviews for PDFs, Word documents, and Notebooks with customizable two-host narration will roll out worldwide from late September to mid-October 2025. Available by default to users with Copilot licenses, this feature enhances accessibility and requires no admin setup or compliance changes.
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Microsoft 365 admin center: Prepurchase capacity packs for Microsoft 365 Copilot Chat
MC1155434 | September 18 – Microsoft 365 admin center will introduce prepaid Capacity Packs for Copilot Chat, offering 25,000 messages/month to manage costs before pay-as-you-go charges. Rollout starts late September 2025. Features include usage monitoring, departmental allocation, automatic PAYG fallback, and no required admin action before rollout.
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Microsoft Copilot (Microsoft 365): Use Copilot with OneDrive files in File Explorer and Activity Center
MC1155433 | September 18 – Microsoft 365 Copilot is integrated into Windows File Explorer and OneDrive Activity Center, allowing users to summarize documents, generate FAQs, compare files, and ask questions about OneDrive files. The feature rolls out globally by mid-September 2025, is on by default, and requires no admin setup.
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Microsoft Teams: Select camera and audio devices in pre-join and during meetings on iPad
MC1155430 | September 18 – Microsoft Teams on iPad now lets users select external audio and video devices from the pre-join screen and during meetings. This feature, enabled by default since September 2025, improves meeting flexibility without needing iPad settings changes. No admin action is required.
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Microsoft Defender for Identity: New recommendations added to Microsoft Secure Score
MC1155429 | September 18 – Microsoft Secure Score will add new improvement actions based on Microsoft Defender for Identity recommendations for PingOne, rolling out from October to December 2025. These default-enabled actions target PingOne privileged account security, requiring no admin changes but encouraging review and monitoring by organizations with PingOne connectors.
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Microsoft Copilot (Microsoft 365): Skills agent now available in Frontier
MC1155426 | September 18 – The Skills agent, now in Microsoft 365 Copilot’s Frontier program, helps identify and develop skills, building skill-based teams across Teams, Surface, and Web. Powered by People Skills, it requires a Copilot license and admin deployment via the Copilot Control center. Rollout begins September 2025.
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(Updated) Microsoft Teams | Know Your Customer (KYC) onboarding required for new phone number requests
MC1117815 | September 18 – Starting early August 2025, Teams admins must complete a one-time KYC onboarding in the Teams Admin Center by submitting business info and documents before provisioning new phone numbers. The process, required globally, takes hours to two days; existing numbers remain unaffected.
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(Updated) Microsoft Purview | Insider Risk Management: Custom Communication Compliance policy as IRM indicator
MC1074097 | September 18 – Microsoft Purview Insider Risk Management will soon allow admins to use Communication Compliance policy alerts as indicators in IRM policies. Rolling out from July to October 2025, this feature enables integrated alert review without switching platforms. No prior admin action is needed before rollout.
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Microsoft Teams: Channel Agent
MC1155329 | September 18 – Microsoft Teams introduces Channel Agent, an AI-powered assistant for each channel that summarizes conversations, drafts status reports, assigns tasks via Planner, and answers questions. Available in public preview from mid-September 2025, it requires specific Microsoft 365 and Copilot licenses and has limitations on channel types and languages. Admins can manage auto-creation settings.
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Introducing Knowledge Agent (preview): AI-powered content optimization for SharePoint and Copilot
MC1155312 | September 18 – Knowledge Agent (preview) is a new AI-powered SharePoint feature launching mid-September 2025, unifying AI tools into a role-adaptive interface for content optimization and Copilot support. It changes agent licensing, adds intelligent actions, and allows admins to control site participation without individual feature setup.
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(Updated) Teams app versions 1.12 and earlier will no longer appear in Microsoft 365 admin center
MC1134169 | September 18 – Teams apps version 1.12 and earlier will be removed from the Microsoft 365 admin center’s Integrated apps view starting late August 2025, completing by late September. These apps remain fully manageable in the Teams admin center, with no impact on user experience or compliance. No action is required.
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(Updated) Outlook | Save an Event as a Draft
MC1125489 | September 18 – Starting July 2025, Outlook will let users save meetings with attendees as drafts, marked with “[Draft]” on the calendar. This feature, available by default on mobile, allows more flexible event planning. No admin action is needed, but user communication and training updates are recommended.
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(Updated) Microsoft Viva : News AI audio briefing in Connections Mobile
MC1150671 | September 18 – Microsoft Viva Connections mobile will introduce an AI audio briefing feature providing summaries of top news with playback controls, requiring a Microsoft 365 Copilot license. The rollout starts late September 2025, completes by November, is on by default, and requires no user configuration.
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(Updated) Microsoft 365 admin center: Email notifications for service health issues available in multiple languages
MC1091448 | September 18 – Starting mid-July to early October 2025, Microsoft 365 service health email notifications for issues requiring action will be sent in admins’ preferred languages (72 supported). This improves accessibility and is enabled by default, with translation for Microsoft-side incidents planned for a future release.
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Microsoft 365 Copilot App for Windows: “Update available” button
MC1154790 | September 17 – Starting October 2025, the Microsoft 365 Copilot app for Windows will show a non-blocking “Update available” button, allowing users to update immediately or later without interrupting use. No admin action is needed, and the update ensures access to new features and improvements.
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New: Custom site inclusion for SharePoint Site Lifecycle Management (SLM) policies
MC1154789 | September 17 – SharePoint Site Lifecycle Management now supports custom site inclusion via CSV upload of up to 10,000 URLs for precise policy enforcement. The inactivity period setting moved to the Configuration page. This feature is available worldwide by default, requiring no extra setup. Admins should prepare CSV files and update documentation accordingly.
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Microsoft Purview: Paid public preview of Inline Protection of Sensitive Text transmitted in Edge for Business
MC1154787 | September 17 – Starting October 31, 2025, Microsoft Purview’s inline protection of sensitive text in Edge for Business will require a paid public preview with pay-as-you-go billing via the In Transit Protection meter. Organizations must link an Azure subscription or lose this protection for unmanaged cloud apps.
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(Updated) Expanding Microsoft 365 Copilot Search admin experience to AI admin role
MC1152322 | September 17 – Microsoft 365 Copilot Search admin experience is expanding to AI Admin and Global Reader roles, allowing designated admins to manage or view Copilot Search settings. This rollout begins late September 2025, is enabled by default for eligible tenants, and access is controlled via Microsoft Entra ID.
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(Updated) New “Open in Word” action button in Microsoft 365 Copilot Chat
MC1143298 | September 17 – Microsoft 365 Copilot Chat will add an “Open in Word” button by early October 2025, enabling users with a Copilot license to transfer AI-generated responses directly into Word for editing. The feature is automatic, requires no admin action, and has no impact on existing workflows or compliance.
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(Updated) Library experience in the Microsoft 365 Copilot app
MC1148530 | September 17 – Microsoft 365 Copilot app will introduce a new Library experience by mid-October 2025, consolidating Copilot-generated images and Pages into one section. The Pages menu will be removed, with no admin action needed. Library is enabled by default for users with Copilot chat enabled.
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(Updated) Microsoft 365 Copilot: Extending Copilot Chat to Microsoft 365 apps
MC1096218 | September 17 – Microsoft 365 Copilot Chat is being rolled out across Word, Excel, PowerPoint, OneNote, and Outlook on multiple platforms starting mid-2025. It respects user state, requires no admin action unless pinning is disabled, and does not change data processing or AI capabilities.
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(Updated) Microsoft Purview | eDiscovery cmdlet connectivity change
MC1131771 | September 17 – Starting September 26, 2025, eDiscovery cmdlets require Exchange Online PowerShell v3.9.0+ with the -EnableSearchOnlySession flag in Connect-IPPSSession. This change affects specific cmdlets but not the Purview portal and remains incompatible with Certificate-Based Authentication. Update scripts accordingly.
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(Updated) Microsoft Viva Engage: Modernized Private Content Mode
MC1143993 | September 17 – Microsoft Viva Engage updates Private Content Mode, allowing Verified and Engage admins to view and moderate conversations in private communities without membership by toggling this feature in the Engage Admin Center. It supports moderation actions, persists until disabled, and includes audit logging and compliance considerations. Rollout begins mid-September 2025.
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(Updated) Microsoft Teams: Interactive agents for meetings and calls
MC1087634 | September 17 – Microsoft Teams will introduce interactive agents in meetings and calls, allowing private and group interactions with session-supported agents built on Microsoft Copilot. The rollout is delayed, requires Microsoft 365 licenses, and will be automatic with no admin action needed. Admins can pre-pin agents for easier access.
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(Updated) Microsoft Viva Insights: New Power BI report for Microsoft 365 Copilot agent metrics
MC1138791 | September 17 – Microsoft Viva Insights introduces a new Power BI report for Microsoft 365 Copilot agents, providing usage and adoption insights. Public preview starts early October 2025, general availability in December 2025. The report supports leaders and analysts with detailed agent metrics while ensuring privacy via minimum group size thresholds.
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(Updated) Microsoft Teams: Distinguish invites among Attendee, Presenter, and Co-organizer emails
MC1009930 | September 17 – Microsoft Teams will send separate event invites based on participant roles—attendee, presenter, or co-organizer—allowing organizers to manage distinct invites for town halls. Rollout begins late March 2026, completing by early May 2026, with no admin action required. Notify users and update documentation accordingly.
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Power Apps – Process maps as a part of your plan
MC1154703 | September 17 – We are announcing the ability to use process maps as a part of your plan in Power Apps. This feature will reach general availability on October 17, 2025.How does this affect me?This feature update allows the Plan designer in Power Apps to generate a representation of your business process, in addition to the requirements, data, solution architecture, and process diagram.The process map captures the activities, events, and decisions for the process, and can be edited…
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Updates available for Microsoft 365 Apps for Current Channel
MC1154322 | September 17 – We’ve released updates to the following update channel for Microsoft 365 Apps: Current Channel
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Transition to Teams Town Hall from Teams Live Events
MC1154302 | September 16 – Teams Town Hall now matches Teams Live Events in features, offering enhanced controls and attendee experiences. Users are encouraged to transition to Town Hall, as it supports large-scale virtual events and will replace Live Events in the future. Enable IT policies to prepare for this change.
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Education Customers: Enhance your LMS with the power of Microsoft 365
MC1154301 | September 16 – Microsoft 365 LTI, a unified integration for LMS platforms like Canvas and Moodle, will be generally available worldwide on September 15, 2025. It streamlines access to Microsoft 365 tools within LMS, replaces retired Teams LTI tools, and requires admin deployment and communication for a smooth transition.
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New PDF Viewer Enabled by Default in Microsoft Edge Starting October 2025
MC1154300 | September 16 – Starting October 2025, Microsoft Edge on Windows will default to an Adobe-powered PDF viewer for enterprise users, improving performance, accessibility, and features. Rollout completes by March 2026. Admins can manage this via policies, with opt-out available until June 2026. No action needed if ready.
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Microsoft Teams: Configure your Citrix VDI environments for SlimCore-based optimization
MC1154298 | September 16 – Microsoft Teams now supports SlimCore-based optimization for Citrix VDI, offering better performance and new features. Admins must update Citrix Studio policies to whitelist virtual channels (MSTEAMS, MSTEAM1, MSTEAM2) and deploy the Citrix Plugin. WebRTC optimization will be deprecated in the future.
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Microsoft Defender for Identity: New recommendations for Microsoft Secure Score
MC1154297 | September 16 – Microsoft Defender for Identity will add new Secure Score improvement actions by late 2025 to better identify identity risks. These include identifying privileged service accounts, removing stale AD accounts, and disabling Entra Seamless SSO. No admin action is needed, but review configurations and notify security teams.
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(Updated) Microsoft Copilot Pages: New file extension for Copilot pages
MC1085134 | September 16 – Microsoft will introduce a new .page file extension for Copilot Pages, identical in functionality to the .loop extension but with a new icon. The rollout starts mid-August 2025 and completes by late September, requiring no admin action. Users should be notified of this change.
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(Updated) Microsoft Viva: AI-generated audio briefings for SharePoint news in Viva Connections
MC1143997 | September 16 – Microsoft Viva Connections will offer AI-generated audio briefings for SharePoint news, playable with controls like play, pause, and speed adjustment. Available from August 28, 2025, this feature requires a Microsoft 365 Copilot license and supports hands-free news consumption on Teams, Surface, and web.
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Microsoft Entra | Streamlined Same-Device Number Matching and First Run Experience (FRX) in Microsoft Authenticator
MC1117816 | September 16 – Microsoft Authenticator will streamline same-device sign-ins by removing number entry, requiring only a Yes/No confirmation, and improve onboarding by prioritizing Microsoft Entra accounts and highlighting QR code scanning. Rollout begins late September to mid-October 2025, with no admin action needed.
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(Updated) Microsoft Copilot: File summary in Microsoft Teams chat
MC1003344 | September 16 – Microsoft Copilot will enable file summarization in one-on-one or group Teams chats for Word and PDF files, respecting file security and sensitivity labels. Rollout starts late July 2025, completing by early September 2025 worldwide. No admin action is needed; a Microsoft 365 Copilot license is required.
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(Updated) Manage agent permissions directly in Microsoft Admin Center (MAC)
MC1147969 | September 16 – Microsoft Admin Center will enable admins to manage agent permissions directly with a unified view of consents and risk levels. Global Admin consent allows AI Admin Role to deploy agents. Rollout begins late September 2025, improving efficiency, transparency, and introducing automation for low-risk agents.
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(Updated) Researcher in Copilot Notebooks
MC1099685 | September 16 – The Researcher Agent is integrated into Copilot Notebooks, enabling complex, multi-step research across enterprise data using OpenAI’s model. Rollout starts mid-September 2025, completing by late October. The feature is on by default for eligible tenants, enhancing in-context research workflows without user action needed.
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(Updated) Microsoft SharePoint: Updated Page Analytics
MC1069561 | September 16 – Microsoft SharePoint Page Analytics for News posts will be upgraded starting late September 2025, adding long-term data (365 days), distribution channel breakdowns, new metrics (Reactions, Promotions), data export, audience calculation, chart image copying, and a modern design. No admin action is needed.
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Updated: Microsoft Teams: Introducing the Network Strength Indicator
MC1077865 | September 16 – Microsoft Teams will introduce a Network Strength Indicator by December 2025, showing connection quality with a 3-bar system and suggesting actions to improve meeting performance. It also displays participants’ network status to clarify disruptions. Organizations should update training and documentation accordingly.
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Windows Management Instrumentation Command-line (WMIC) removal from Windows
MC1153657 | September 15 – Windows Management Instrumentation Command-line (WMIC) tool will be removed when upgrading to Windows 11, version 25H2. All later releases for Windows 11 will not include WMIC added by default. Microsoft recommends using PowerShell and other modern tools for any tasks previously done with WMIC. Note: Windows Management Instrumentation (WMI) itself remains part of Windows.When will this happen:A new installation of Windows 11,…
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Mobile Plans moves to the web
MC1153559 | September 15 – Connecting PCs to mobile data is now simpler. The Mobile Plans app will be retired in February 2026. Instead, please use your web browser and the Windows Settings app. The web-based experience is available from your mobile operator’s portal for purchasing and activating your cellular data plans. From Windows Settings, you can consent to securely sharing your device data with your mobile operator and thus allow automatic provisioning of your eSIM and instant download and use of cellular…
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Microsoft Copilot Studio – Build multistage approvals
MC1153440 | September 15 – We are announcing the ability to build multistage approvals in Microsoft Copilot Studio. This feature reached public preview in May 2025 and will reach general availability on October 15, 2025.How does this affect me?With multistage approvals, you can create approval workflows that match your organization’s structure and business processes. The main features of advanced approvals include Multi-stage approvals and Conditions/Conditional…
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Action Required – Configure Browser Policy to Preserve OneDrive and SharePoint Web Performance and Offline Capability
MC1150662 | September 15 – Chromium browsers will restrict local network access, causing OneDrive, SharePoint, and Microsoft Lists web apps to prompt users for permission. Without admin-configured browser policies allowing trusted Microsoft 365 domains, users will lose performance and offline capabilities. Admins must deploy the LocalNetworkAccessAllowedForUrls policy before Chromium 141 rollout in late September.
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