Message center announcements
October 19, 2026 – October 25, 2026
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(Updated) Manage Copilot connectors (Global setting) from Agent 365 – SetFederatedConnectors CLI toggle is retiring
MC1454973 | October 23 – The setFederatedConnectors CLI toggle for managing Microsoft 365 Copilot connectors is retiring by August 25, 2026. Connector governance will unify under the Allowed agent types setting in the Microsoft 365 admin center. Administrators should update workflows and review settings before October 30, 2026.
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Microsoft Purview: Data Lifecycle Management increases the auto-expanding archive limit from 1.5 TB to 3 TB
MC1521615 | October 22 – Microsoft Purview Data Lifecycle Management increases the auto-expanding archive limit for eligible Exchange Online mailboxes from 1.5 TB to 3 TB, starting mid-November 2026. No additional configuration or charges are required; organizations should review licenses and monitor mailbox growth accordingly.
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Microsoft Teams: Retirement of the Turn off IntelliFrame option for online participants
MC1521614 | October 22 – Microsoft Teams will retire the “Turn off IntelliFrame” option for online participants in meetings with Teams Rooms using Cloud IntelliFrame. Starting late November 2026, all online users will see the room’s IntelliFrame view. In-room users can still disable it. No admin action is needed.
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Microsoft Publisher: Reminder that support ends in October 2026
MC1469564 | October 21 – Microsoft Publisher support ends October 1, 2026, and it will be removed from Microsoft 365 Apps via updates starting November 2026. Users should convert or migrate .pub files to Word, PowerPoint, or Microsoft Create before then, as Publisher will no longer open or edit files after this date.
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Microsoft OneDrive: Copilot actions in the File Explorer context menu are being retired
MC1515940 | October 20 – Microsoft is retiring several OneDrive Copilot actions from the File Explorer context menu by early December 2026, simplifying usage. Users can still access Copilot features via right-click “Ask Copilot,” the File Explorer Home icon, or the OneDrive activity center. No admin action is needed.
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(Updated) Microsoft Viva – Copilot Analytics: Export agent data from the Agent Dashboard
MC1288531 | October 20 – Microsoft Viva will add a new export feature in the Agent Dashboard by mid-November 2026, allowing eligible users with at least 50 Copilot licenses to download de-identified Copilot agent usage data for up to six months. Admins can manage or disable this feature via Viva Feature Access Management.
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(Updated) Migrate Free/Busy, MailTips, and Calendar Sharing before EWS deprecation
MC1446796 | October 20 – Exchange Web Services (EWS) deprecation starts October 1, 2026, affecting cross-tenant Free/Busy, MailTips, and Calendar Sharing. Microsoft 365 Cross-Tenant Access Policy will replace EWS by October 2026. Organizations must migrate to avoid service disruption; Gov rollout is paused. Hybrid/on-premises scenarios are excluded.
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Microsoft Purview | Data Lifecycle Management – Graph API Support for archive mailboxes
MC1469565 | October 19 – Microsoft is retiring Exchange Web Services (EWS) in Exchange Online by April 2027 and expanding Microsoft Graph API support for archive mailboxes. Organizations must migrate applications from EWS to Microsoft Graph APIs by October 2026 to maintain archive mailbox access, compliance, eDiscovery, and data lifecycle management.
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Microsoft Teams: Initiate side conversations within the meeting chat window
MC1523090 | October 23 – Microsoft Teams will allow users to start or continue private side conversations within the meeting chat window, preserving chat history. This feature rolls out worldwide in January 2027, requires no admin action, and users can disable the side-chat tab if desired. No compliance issues identified.
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Microsoft Teams Mobile: Ask Copilot from Search
MC1523087 | October 23 – Microsoft Teams mobile will let users ask Copilot directly from the search box on iOS and Android, with suggestions appearing after typing two words and an Ask Copilot button on search results. This feature rolls out worldwide from mid to late November 2026, requiring no admin action.
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Alternate text parameter for ODSP attached images in Teams
MC1523086 | October 23 – Microsoft Teams will support adding alt text to OneDrive/SharePoint-hosted images shared in chats, enhancing accessibility with screen reader descriptions. This feature rolls out worldwide from early to mid-December 2026, requires no admin action, and allows users to add or edit alt text without changing the original image files.
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Viva Insights: GitHub Copilot metrics will be on by default, and the public preview opt-in setting is being retired
MC1523085 | October 23 – GitHub Copilot metrics will be enabled by default in the Viva Insights Consumption dashboard starting mid-November 2026, retiring the public preview opt-in setting. Eligible tenants will see these metrics automatically, with existing access controls remaining. No admin action is required, but reviewing access and updating documentation is recommended.
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Microsoft Defender for Office 365: Move email messages to quarantine with a new remediation action
MC1523084 | October 23 – Microsoft Defender for Office 365 Plan 2 introduces a new “Move to Quarantine” remediation action allowing admins to move suspicious emails from user mailboxes to Defender quarantine for safer investigation and management. It rolls out worldwide from November to December 2026, requiring no user action but recommended policy reviews and training updates.
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Teams admin center – Intelligent insights for meeting quality
MC1523077 | October 23 – AI-powered meeting quality insights in Teams admin center provide proactive detection of issues by analyzing historical data, highlighting hotspots, root causes, and affected users with recommended actions. Rolling out worldwide and GCC from mid-November 2026. No configuration needed; accessible to designated Teams admins.
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Microsoft Teams: Loop meeting notes stored in the meeting organizer’s OneDrive
MC1523076 | October 23 – Non-channel Microsoft Teams meeting notes, including Loop and Facilitator notes, will be stored in the meeting organizer’s OneDrive for Business starting mid-November 2026. This ensures consistent ownership without changing the collaboration experience. No configuration is needed, but update governance processes accordingly. Channel meeting notes storage remains unchanged.
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(Updated) Teams Phone Agent is rolling out to general availability on Sept 30, 2026
MC1482800 | October 23 – Teams Phone Agent, an AI-powered calling solution for Microsoft Teams, will be generally available worldwide starting late September 2026. Usage-based billing with Copilot Credits requires admins to configure spending policies and security groups in the Microsoft 365 admin center to avoid default auto attendant settings.
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Updated Photos experience on Windows 11
MC1518030 | October 23 – Windows 11 will receive an updated Photos app starting mid-October 2026, enhancing browsing, organizing, and viewing local and OneDrive photos. Existing app management and OneDrive policies remain effective. Organizations should review app-blocking rules and inform help desks; no new compliance issues are expected.
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(Updated) Plan for Change: New device page experience will become the default view
MC1456780 | October 23 – The new Intune device page will become the default view starting with the September (2609) release, replacing the legacy page. All device management features remain, but admins now need the Managed devices/Update permission plus specific action permissions. Update documentation and review permissions accordingly.
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Microsoft OneDrive: Updated placement of the Create or upload button in OneDrive for the web
MC1521617 | October 22 – The OneDrive web experience is updated by moving the Create or upload button from the left navigation pane to the right side, aligning with SharePoint. It won’t appear in Libraries, Recycle Bin, Meetings, or Media. Rollout starts late October 2026, no admin action needed.
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Microsoft Graph APIs for Copilot cost management
MC1521616 | October 22 – Microsoft is introducing Microsoft Graph APIs for Copilot cost management, enabling programmatic control of credit spending policies, balance monitoring, and credit requests. Available in public preview from mid-October 2026 via the beta endpoint, these APIs integrate with existing admin and FinOps processes but exclude detailed consumption reporting. No action is needed if unused.
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Microsoft Teams: Streaming switchboard for NDI sources in meetings and events
MC1521613 | October 22 – Microsoft Teams will introduce a streaming switchboard allowing event producers to select and stream up to eight NDI sources during meetings and events, starting November 2026. Admins must enable NDI streaming via policy, and users must activate production capabilities to use the feature.
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Create sales pitches with Copilot in PowerPoint
MC1521609 | October 22 – Copilot in PowerPoint will help users create structured sales pitch presentations for various customer scenarios. Rolling out worldwide from mid to late October 2026 on Win32, Mac, and Web, it reduces manual work for sales teams. No admin action is required; informing users is recommended.
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Create project kickoff presentations with Copilot in PowerPoint
MC1521606 | October 22 – Copilot in PowerPoint will help users create formal project kickoff presentations, aligning teams on goals, roles, milestones, and more. Rolling out worldwide mid to late October 2026 for PowerPoint on Win32, Mac, and Web. No admin action required; no compliance issues identified.
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Microsoft Authenticator: Usability improvements for iOS and Android
MC1521604 | October 22 – Microsoft Authenticator will receive usability improvements on iOS and Android starting October 2026, including a refreshed home experience, clearer account restoration guidance, enhanced restoration flows, and platform-specific prompts. Android updates follow in November 2026 and January 2027. No action is required from organizations.
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(Updated) Microsoft Copilot: GPT 6.1 Sol and Claude Sonnet 5.5 beginning to roll out today
MC1483844 | October 22 – Microsoft Copilot is rolling out GPT-6.1 Sol and Claude Sonnet 5.5 AI models starting September 30, 2026, across Cowork, Copilot Studio, Word, Excel, PowerPoint, and Chat. Usage-based billing applies, with limits and notifications. Access requires enabling Anthropic and OpenAI subprocessors and appropriate user licenses. No action required to enable.
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(Updated) Microsoft Purview | Communication Compliance: Policy alerts improvements
MC920304 | October 22 – Microsoft Purview Communication Compliance will enhance policy alert customization, allowing admins to set alert frequency and recipients per policy. Public preview rollout is delayed to October 2026. The feature is enabled by default and supports detecting compliance violations while ensuring user privacy.
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(Updated) Microsoft Purview: Data Lifecycle Management – Retention for Copilot Memory
MC1478965 | October 22 – Microsoft Purview Data Lifecycle Management now supports retention of Microsoft 365 Copilot memory items, preserving historical versions for compliance and investigations. Retained inactive versions are stored in users’ Exchange mailboxes, accessible via eDiscovery. Organizations should review retention policies and update governance accordingly. Rollout completed October 2026.
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(Updated) Microsoft Purview: Data Lifecycle Management- Azure PST Import
MC1455013 | October 22 – Azure PST Import enables Microsoft 365 admins to import PST files from Azure Blob Storage into Exchange Online mailboxes using PowerShell. It includes readiness validation, reporting, and audit logging. The rollout starts late March 2027. Admins must prepare Azure storage, assign roles, and validate mailboxes before import.
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(Updated) Microsoft Purview: Data Lifecycle Management- Azure PST Import
MC1281505 | October 22 – Azure PST Import enables Microsoft 365 admins to import PST files from Azure Blob Storage into Exchange Online mailboxes using PowerShell. The process includes readiness analysis, import execution, and reporting. Rollout begins mid-October 2026 (public preview) and late January 2027 (worldwide). It supports compliance via existing retention and audit tools.
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(Updated) Microsoft Purview | Data Lifecycle Management: New integration with Adaptive protection
MC791110 | October 22 – Microsoft Purview is introducing a public preview of Adaptive protection integration with Data Lifecycle Management, automatically retaining deleted content from elevated risk users for 120 days. Rollout begins late June 2024, with general availability in late December 2026. Admins can enable this via the Purview compliance portal.
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Insights Agent V2 Frontier
MC1520901 | October 22 – Insights Agent V2 is now available in Frontier, providing M365 admins tenant-level visibility into agent adoption and control over user feedback sharing. Feedback sharing is off by default and can be enabled in the Microsoft 365 admin center. No compliance issues identified. Public preview rollout is complete.
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(Updated) Outlook: Copilot Prioritize feature will be retired
MC1519861 | October 22 – The Copilot Prioritize feature in Outlook will be retired starting October 26, 2026, with removal completed by March 2027. It will be removed from all Outlook clients without requiring opt-in. No admin action is needed, but users should be notified and support materials updated accordingly.
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(Updated) New SharePoint Mobile Experience on iOS and Android
MC1480870 | October 22 – The SharePoint mobile app for iOS and Android will roll out a redesigned home with a personalized Discover experience by late October to November 2026. It features improved site browsing, file previews, refreshed news, search, dark mode, and better performance, with no admin action required.
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(Updated) Viva Engage: Email updates for users without a routable mailbox
MC1309743 | October 22 – Starting mid-October 2026, Viva Engage will stop sending email notifications to users without valid mailboxes or routable email destinations, reducing email system load and improving delivery. Users with supported mailboxes and Teams notifications remain unaffected. No action is required, but review mailbox configurations and update support accordingly.
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(Updated) Microsoft Teams: Third-party synthetic audio and video detection in meetings
MC1509787 | October 22 – Microsoft Teams will support certified third-party synthetic audio and video detection in meetings starting mid-November 2026. Organizations can integrate these solutions to enhance security against AI-generated media threats. Admins must deploy provider apps, grant permissions, and configure meeting policies. Detection is performed by third parties, with Microsoft Teams enabling integration.
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Power Platform – Update for read access to custom connector definitions for Basic User role
MC1520706 | October 22 – In October 2026, we are updating read access for custom connector definitions in Power Platform. Users assigned the Dataverse Basic User security role will no longer be able to read solution custom connector definitions unless the connector is owned by that user or explicitly shared with them. What action do I need to take? Please take the actions listed below:Review environments where users with the Basic User role need to read custom connector definitions….
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Filter Messages by Events on Outlook Mobile
MC1458484 | October 21 – Outlook Mobile will add an “Events” filter to quickly find calendar invitations and event-related messages. Rolling out worldwide and in GCC environments from late August to late September 2026. No admin action needed; users can better manage meeting invites and RSVPs.
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Copilot Code is rolling out in Frontier
MC1519871 | October 21 – Copilot Code, an AI-powered coding tool in Microsoft Copilot, is rolling out in the Frontier program starting late October 2026. It enables users with licenses and spending policies to build, refine, and publish apps using natural language, with admin-controlled usage-based billing and optional local coding on PC.
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Microsoft Teams: Phishing detection for messaging
MC1519866 | October 21 – Microsoft Teams will introduce AI-powered, context-aware phishing detection starting November 2026, focusing on external first-contact chats and additional protection for mobile users in China. It identifies suspicious behavior without retaining message content, requires no admin action, and aims solely for security protection.
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Intelligent Call Delegation in Teams
MC1519860 | October 21 – Intelligent Call Delegation in Teams uses AI to answer calls, gather context, and schedule follow-ups via Microsoft Bookings, helping users focus on important conversations. Rolling out from November 2026 (preview) to January 2027 (general availability), it requires appropriate licensing and admin configuration. No compliance issues identified.
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Microsoft Teams: Chat for organizers and presenters in structured meetings and webinars on Teams Rooms on Android
MC1519857 | October 21 – Teams Rooms on Android with Teams Rooms Pro license will gain access to a private presenter chat in green room-enabled meetings/events when joined as organizers. This backstage chat appears as “Event group” or “Planning group.” Rollout starts August 2025 (preview) and completes November 2026 (general availability). No admin action needed.
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Projects in Copilot
MC1519856 | October 21 – Projects in Copilot unify related chats, Cowork tasks, files, and context in one place, reducing repeated explanations. Available now in Cowork-tab (Windows, Mac, Web), with rollout to Chat and Cowork on Frontier soon. Files remain in OneDrive with existing permissions; no action or compliance concerns required.
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Microsoft Entra: Choose your own telephony provider for SMS and voice authentication
MC1519855 | October 21 – Starting October 30, 2026, Microsoft Entra ID allows organizations to choose a supported third-party telephony provider for SMS and voice authentication via Microsoft Security Store. Microsoft-provided SMS/voice authentication retires by February 1, 2027, except for some users until July 1, 2027. Organizations manage provider relationships directly.
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Microsoft 365 apps: Updated Brand Kit management experience
MC1519846 | October 21 – Microsoft 365 apps updated the Brand Kit management experience to simplify setup, streamline asset management, and improve workflows for Brand Managers. The update is available worldwide with no action required, helping organizations efficiently maintain on-brand content and scale creation using Copilot.
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New Outlook for Windows: All Accounts view brings email into a single inbox view
MC1519843 | October 21 – The new Outlook for Windows introduces an All Accounts view, a unified inbox showing emails from multiple accounts separately without merging. It supports AI-assisted workflows and search, rolling out globally by late October 2026. No admin action is needed now; controls will be available later.
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Microsoft OneNote: JPG and PNG references in Copilot Notebooks
MC1519842 | October 21 – Microsoft OneNote now supports using JPG and PNG images as knowledge sources in Copilot Notebooks, enabling Copilot to extract and use visual content for generating outputs. The feature is globally available since October 2026, requires no admin action, and affects users with Copilot Notebook access.
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Microsoft OneNote: CSV and TSV references in Copilot Notebooks
MC1519841 | October 21 – Microsoft OneNote now supports using CSV and TSV files as knowledge sources in Copilot Notebooks, enhancing content generation with structured data. The feature is globally available since mid-October 2026, requires no user action, and automatically enables for tenants with existing CSV/TSV Copilot permissions.
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Updates available for Microsoft 365 Apps for Current Channel
MC1519247 | October 21 – We’ve released updates to the following update channel for Microsoft 365 Apps: Current Channel
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(Updated) Microsoft 365 settings enabled by default for newly created Engage communities
MC1480869 | October 21 – Newly created Microsoft Viva Engage communities will have Microsoft 365 group settings enabled by default, subscribing members to community emails and calendar invites. Rollout completes by November 2026. Community owners can adjust settings via the My Account portal. No admin action is required. Existing communities update later this fall.
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Microsoft Copilot: UBB models in Chat and Word, Excel, and PowerPoint via the model selector
MC1519122 | October 21 – Usage-based billing (UBB) models, including GPT-6 Astra and Claude Fable 5.1, will be available in Microsoft Copilot Chat and Copilot in Word, Excel, and PowerPoint starting November 2026. Access requires enabling UBB, assigning credits, and a Microsoft 365 Copilot license. Admins manage billing and credit allocation.
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Copilot Studio – Enhanced support for Copilot Chat agents
MC1518233 | October 21 – We are announcing the enhancement to improve support for building Copilot Chat agents, also known as declarative agents, that provide authoritative answers and standardized content in Copilot Studio. This feature will reach general availability on October 26, 2026. How does this affect me? Copilot Studio users will see the following capabilities when building Copilot Chat agents: Topics for deterministic conversational flows Connected agents to delegate…
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Microsoft Copilot Studio – Improvements to agent Evaluations experience
MC1518085 | October 21 – We are enhancing the Evaluations experience to help makers better understand agent quality and behavior in Microsoft Copilot Studio. This feature is now available. How does this affect me? The improvements will bring new capabilities that help makers identify quality issues more quickly, understand why evaluations succeed or fail, compare results across runs, and create higher quality evaluation datasets with less manual effort. Additional validation and guidance will help…
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Microsoft Copilot – Admin controls to manage Business Applications in Work IQ
MC1518036 | October 20 – We are announcing the public preview of admin controls for managing Business Applications in Work IQ. This feature enables business applications data to help ground AI experiences alongside Microsoft 365 productivity data, while providing layered controls over which experiences, environments, apps, and data can participate. This feature will reach public preview by November 17, 2026. How does this affect me? Your organization will be able to make business applications data…
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Clipchamp/ Copilot ‘Create a video’ experience is going to have an admin control available
MC1518034 | October 20 – Microsoft Clipchamp will add an admin policy control to manage user access to the AI-powered “Create a video” feature, rolling out worldwide from late November to early December 2026. Admins can enable or restrict this feature via Microsoft 365 admin center policies. No user action is needed if access is allowed.
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Microsoft Teams: Onboarding workflow for new team members
MC1518033 | October 20 – Microsoft Teams will introduce an onboarding workflow to automatically connect new members to relevant channels, improving engagement and onboarding speed. Rollout starts November 2026 (Targeted Release) and completes by mid-December 2026 (General Availability). No admin action is needed; inform team owners accordingly.
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Microsoft 365 apps: Introducing Update Repair in Inventory
MC1518032 | October 20 – Update Repair in Inventory helps admins identify and fix Windows devices with outdated or problematic Microsoft 365 apps via the admin center. It enables remote Online Repair for eligible devices, rolling out from October to November 2026. Admins must enable Inventory and notify users before repairs.
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(Updated) Microsoft 365 Copilot: Intelligent Summaries in Copilot Dashboard
MC1266912 | October 20 – Microsoft 365 Copilot Dashboard will automatically provide AI-generated intelligent summaries starting November 2026, highlighting adoption trends and usage insights for admins. No configuration is needed, existing permissions remain, and there is no user impact. Organizations can notify teams or update documentation if desired.
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Dataverse – Prompt columns support multiple lines of text output
MC1515841 | October 20 – We are announcing the ability to store multiple lines of text as prompt column output to enable makers to save longer and more detailed AI-generated insights in Dataverse tables. This feature will reach general availability on November 16, 2026.How does this affect me?Once available, new prompt columns will include multiple lines of text as an output option. Existing prompt columns will continue to work as expected but will not have this option.What action do I…
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Microsoft OneDrive: OneDrive sync supports up to 1 million items on macOS
MC1477187 | October 20 – OneDrive sync on macOS will increase its item limit from 300,000 to 1 million per device, starting with a Public Preview in mid-October 2026 for Insiders ring users. Devices not meeting hardware requirements will remain at the current limit, with no disruption expected.
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(Updated) Microsoft OneDrive: Refreshed file browsing and filtering experience in OneDrive Web
MC1457226 | October 20 – OneDrive for the web will adopt the modern SharePoint document library experience, featuring improved navigation and enhanced filtering across views. Rollout begins mid-August 2026, completing by late October. Changes are enabled by default, with no impact on permissions or policies; no user action required.
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(Updated) Microsoft Defender for Cloud Apps: Permission changes for select App Governance Entra roles
MC1479503 | October 20 – Microsoft Defender for Cloud Apps will update App Governance permissions for select Microsoft Entra roles starting mid-November 2026. Changes include role-based access control alignment with Defender XDR, affecting Cloud App Security, Compliance Administrator, and Compliance Data Administrator roles. Admins should review and update role assignments accordingly.
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(Updated) Microsoft Teams: Facilitator can join channel meetings
MC1461165 | October 20 – Microsoft Teams will allow adding Facilitator to channel meetings starting early February 2027, enabling note-taking, agenda management, Q&A, and task management. The rollout is delayed from November 2026, requires no action, and affects organizations with Facilitator enabled and licensed users.
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Dynamics 365 Contact Center – Let representatives set next presence to handle routing of work items
MC1483419 | October 20 – We are announcing the ability to allow representatives to set next presence to indicate their future availability in Dynamics 365 Contact Center. This feature will reach general availability on October 30, 2026.How does this affect me? Next presence allows service representatives to queue their next availability status and stop receiving new assignments while the next presence status is pending. After all active conversations and work items are completed, the system…
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Sending from Aliases
MC1515939 | October 19 – Sending from Aliases is now generally available in Exchange Online, allowing users to send emails from any mailbox alias. Admins can enable it via PowerShell or Exchange Admin Center. Additional features are being explored, and no compliance issues have been identified.
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Microsoft Purview | eDiscovery: In-product diagnostics to troubleshoot common challenges
MC1515937 | October 19 – Microsoft Purview eDiscovery introduces three read-only diagnostics for case access, security filters, and hold-policy distribution to help admins troubleshoot issues. Rolling out from October 2026 to February 2027 across environments. No admin action required; diagnostics do not alter configurations.
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External Recipients Banner on Outlook Mobile
MC1515932 | October 19 – Outlook Mobile will display a banner warning when external attendees are added to meetings, rolling out worldwide from late October to late November 2026. This helps prevent accidental sharing with external recipients. No action or compliance changes are required.
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Microsoft Teams: Simplified app enablement experience in Teams admin center
MC1515931 | October 19 – Microsoft is launching a simplified app enablement experience in the Teams admin center by mid-October 2026. It offers a guided flow for managing app access, installation, and permissions, reducing steps for admins. Existing settings remain unchanged until admins apply updates. No prior action is needed.
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Cowork browser use setting renamed to Browser use in Microsoft Copilot
MC1515930 | October 19 – The Cowork settings panel in Microsoft Copilot is renamed to Browser use in Microsoft Copilot to improve discoverability. This change, rolling out in mid-October 2026, does not affect functionality or configurations. No action is required; admins will find the setting under the new name.
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Microsoft Teams: GitHub app consolidation and legacy GitHub app deprecation
MC1515929 | October 19 – Microsoft Teams is consolidating GitHub Notifications and GitHub Copilot into a single GitHub app, deprecating the legacy app by November 16, 2026. Users must update or replace the old apps with the new GitHub app, which integrates repository updates and Copilot features. Admins should manage app access and update policies accordingly.
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Microsoft 365 Copilot: Critique and Council preview experiences will retire
MC1515927 | October 19 – Microsoft 365 Copilot’s Critique and Council preview experiences in Researcher will retire between late October and mid-November 2026. These features will no longer be accessible, but Researcher and Analyst remain available. Organizations should inform users, update guidance, and notify help desks accordingly. No compliance issues noted.
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Viva Glint: Service Admin role will have access to all report attributes
MC1515926 | October 19 – Starting November 17, 2026, Viva Glint’s Service Admin role will have unrestricted access to all report attributes, removing any prior restrictions. Organizations should review role assignments and use narrower roles if needed. This change aligns with Microsoft 365’s admin model and affects only the Service Admin role.
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Viva Glint: Report attribute access will be managed only at the user-role level
MC1515919 | October 19 – Viva Glint will manage report attribute access solely at the user-role level, removing client-level restrictions to ensure consistent permissions. This change rolls out globally in November 2026. Organizations should review and update user-role permissions to maintain intended access, with no compliance issues identified.
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Database Hub in Fabric: Default enablement and admin opt-out
MC1515917 | October 19 – Microsoft Fabric will enable Database Hub by default on November 17, 2026, allowing authorized users to access database insights without admin activation. Admins can opt out via the Fabric admin portal. No databases or permissions change, and usage remains subject to existing roles and licensing.
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(Updated) Microsoft Purview compliance portal: Purview SDK embedded in Agent Framework SDK
MC1302905 | October 19 – Microsoft has paused the rollout of integrating the Microsoft Purview SDK into the Agent Framework SDK, which enables AI agents to enforce Purview compliance and data protection. This integration requires developer implementation and affects organizations building AI agents with Purview licenses. No immediate admin action is needed if not developing AI agents.
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(Updated) Microsoft Purview: Archive SharePoint files under retention policies
MC1472601 | October 19 – Microsoft Purview Data Lifecycle Management will allow admins to archive inactive SharePoint files under retention policies starting early December 2026. Archived files move to Microsoft 365 Archive, remain compliant and discoverable, and are excluded from Copilot indexing to improve response relevance. This feature requires admin configuration.
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(Updated) Microsoft Teams: Expanded presenter visibility in Manage what attendees see
MC1443518 | October 19 – Microsoft Teams is enhancing presenter visibility in “Manage what attendees see” by allowing event organizers and producers to drag and resize the presenter panel, displaying more presenters simultaneously. This update, rolling out from mid-August to October 2026, improves event production efficiency without requiring admin action.
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(Updated) Microsoft Teams: External presenters can manage event production controls
MC1443517 | October 19 – Microsoft Teams now allows event organizers to grant production control permissions to trusted external presenters, including federated (B2B) and guest users, enabling them to manage event production controls. This feature, rolling out August–November 2026, enhances collaboration with external partners without automatic changes to existing events.
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(Updated) Microsoft Teams: Breakout rooms now supported in meetings with up to 1,000 attendees
MC1330891 | October 19 – Microsoft Teams now supports breakout rooms in meetings with up to 1,000 attendees, allowing up to 100 breakout rooms per meeting. Rollout begins July 2026, with general availability by October 2026. The feature is enabled by default, requires no action, and maintains the existing experience for smaller meetings.
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(Updated) Microsoft Teams: New experience when users minimize the meeting window
MC1266027 | October 19 – Microsoft Teams will introduce a new minimized meeting experience by late October 2026, allowing users to raise hands and send reactions without reopening the full window. Two minimized views—expanded (shows up to four videos) and compact (no videos)—are enabled by default, with no impact on screen sharing.
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(Updated) Microsoft Teams Town halls: Upload custom backgrounds in Manage what attendees see
MC1307982 | October 19 – Microsoft Teams will allow organizers and presenters of town hall events with Teams Premium licenses to upload custom background images in the “Manage what attendees see” feature. Rollout begins early June 2026, enabling branded visuals behind presenters and shared content in supported layouts. No admin action required.
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(Updated) Microsoft Teams: New centralized experience for organizing important resources in chats and channels
MC1473153 | October 19 – Microsoft Teams will introduce a centralized resource management experience in chats and channels, allowing users to pin and organize resources below headers and access them on mobile. The “In this chat” and “In this channel” panes will be removed. Rollout occurs from late September to mid-November 2026.
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(Updated) Microsoft Purview | Data Lifecycle Management – Archive SharePoint files under retention
MC1325441 | October 19 – Microsoft Purview Data Lifecycle Management will enable archiving SharePoint files based on retention policies, moving inactive content to Microsoft 365 Archive to reduce storage costs while maintaining compliance and discoverability. Archived content is excluded from Copilot indexing. Rollout begins September 2026; admin configuration is required.
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(Updated) Microsoft Teams: Granular channel notification settings
MC1388719 | October 19 – Microsoft Teams will introduce granular channel notification presets—All new messages, Mentions and replies, and Mute—with further customization options. Rollout occurs from October to December 2026 across environments. The feature is enabled by default, requires no admin changes, and aims to improve notification control and reduce noise.
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Microsoft Agent 365: Expanded access to Microsoft agent usage and activity insights in Microsoft 365 admin center
MC1506727 | October 19 – Starting late October 2026, Microsoft 365 admin center will expand access to usage and activity insights for Microsoft-built or platform-based agents, regardless of Agent 365 licensing. This provides foundational visibility into agent metrics, while full management features still require paid licenses. Rollout completes by late November 2026.
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Dataverse – Information about support for .NET Framework 4.8 Plugins and custom workflow activities
MC1515315 | October 19 – Beginning on October 26, 2026, we are expanding support for.NET Framework 4.8 across plug-ins and custom workflow activities in Microsoft Dataverse. Migration to this framework follows the standard .NET Framework upgrade approach, while accounting for Dataverse-specific compatibility and deployment requirements. How does it affect me? Migrating to .NET Framework 4.8 provides the following benefits for your plugins and custom workflows: Keep custom plugins…
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Quick machine recovery is now supported on Windows Server 2025
MC1515270 | October 19 – What and why:With the October 2026 Windows security update, Quick machine recovery is now available for Windows Server 2025. Quick machine recovery can help servers recover from critical boot failures by using Windows Recovery Environment (WinRE) to search Windows Update for an applicable remediation. Recovery is dependent on an applicable remediation being available.On Windows Server 2025, quick machine recovery is disabled by default….
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