(Updated) Update to EWS Access for Kiosk / Frontline Worker Licenses

MC1191578 | October 16 – The planned October 1, 2026, enforcement to block Exchange Web Services (EWS) access for Kiosk and Frontline Worker licenses will not proceed. Previously, these licenses lacked EWS rights, but restrictions were unenforced; now, the change is canceled to avoid inconvenience.
View more

(Updated) Windows updates are available for 2026 time zone changes in Canada

MC1510951 | October 16 – Windows updates are available to support 2026 time zone changes in Manitoba, Alberta, and British Columbia, effective November 1, 2026. Devices must install updates and select new region-specific time zones to avoid incorrect local time. Guidance for Outlook and interim steps are provided.
View more

(Updated) Copilot Notebooks: Suggested artifacts for faster content creation

MC1411727 | October 16 – Copilot Notebooks will proactively suggest relevant Word, Excel, and PowerPoint artifacts based on notebook content and Microsoft 365 context, speeding content creation. Available by default to eligible users from early July 2026 (preview) and late August 2026 (general availability). No admin action required; future support for PDFs and Pages planned.
View more

Microsoft Teams: Upcoming change to voicemail message delivery by email

MC1511072 | October 16 – Microsoft Teams will change voicemail email delivery by early March 2027, moving caller info from the email From field to the Subject line and allowing organizations to use their own domains for sending. Organizations should update mail-flow rules accordingly; no new compliance requirements arise.
View more

Action required: Review property changes for Exchange Online scenarios

MC1511071 | October 16 – Exchange Online is deprecating certain properties in Get-Mailbox -Migration and New-Mailbox -Migration cmdlets starting November 15, 2026. Organizations must review and update scripts or workflows using these properties before then to avoid disruptions. Full details and guidance are provided in the linked Microsoft documentation.
View more

Microsoft Copilot Studio – Teams app retirement

MC1511056 | October 16 – Microsoft is retiring the Copilot Studio app in Teams by February 2027, transitioning all chatbot agent creation and management to the Copilot Studio web app. Editing in Teams ends January 2027. Users and admins should switch to the web app and update related documentation accordingly.
View more

(Updated) Notice: File policies in Microsoft Defender for Cloud Apps are retiring

MC1417993 | October 16 – File policies in Microsoft Defender for Cloud Apps will retire on January 6, 2027. Organizations using these DLP file policies must migrate them to Microsoft Purview before this date to maintain enforcement. Microsoft Purview offers unified data protection with no-cost options for eligible customers. Non-users need no immediate action.
View more

(Updated) Microsoft Teams Rooms: Identify in-room participants with IntelliFrame people labels

MC1419798 | October 15 – Microsoft Teams Rooms on Windows will introduce IntelliFrame people labels by late January 2027, automatically displaying enrolled in-room participants’ names and contact cards to remote attendees, enhancing hybrid meeting clarity. The feature requires Teams Rooms Pro licenses, voice and face recognition enrollment, and can be managed via Teams meeting policies.
View more

(Updated) Microsoft Teams: Video sharing from OneDrive in Teams events

MC1506734 | October 15 – Microsoft Teams will soon allow event organizers and producers to share videos directly from OneDrive during Teams events using “Manage what attendees see,” enabling smoother, higher-quality playback without screen sharing. Rollout begins November 2026; no action is required, but informing organizers and updating guidance is recommended.
View more

(Updated) Microsoft Teams: Facilitator proactively detects and resolves knowledge gaps in meetings

MC1409304 | October 15 – Microsoft Teams introduces Facilitator, an AI feature that detects and resolves knowledge gaps in meetings by providing relevant answers via web search in the chat. Available from December 2026, it requires Microsoft 365 Copilot (Premium) and must be manually enabled. Admin controls and user opt-out are supported.
View more

(Updated) Microsoft Teams: Improved file sharing experience in external chats

MC1479514 | October 15 – Microsoft Teams is enabling default file attachment (paperclip and drag-and-drop) in external chats, storing files in the sender’s OneDrive with automatic permission assignment per existing OneDrive/SharePoint policies. Organizations can opt out via Teams PowerShell. Existing sharing restrictions remain unchanged. User training and policy review are recommended.
View more

(Updated) Microsoft Teams: New chat sections for muted and meeting chats

MC1269864 | October 15 – Microsoft Teams will introduce two new chat sections—Muted chats (enabled by default) and Meeting chats (disabled by default)—to organize conversations. Rollout starts early November 2026, completing by mid-November. Users can enable, disable, and reorder these sections; no admin action is needed.
View more

Microsoft Purview | Data Lifecycle Management – Hard delete OneDrive and SharePoint files with priority cleanup workflow

MC1261587 | October 15 – Microsoft Purview introduces a priority cleanup workflow enabling admins to hard delete specific OneDrive and SharePoint content, even under retention or holds, with required eDiscovery approval. Rolling out from mid-2026, it helps reduce data exposure while maintaining compliance and requires explicit admin configuration.
View more

Take action: NTLMv1 hardening changes might affect network connections on devices without Credential Guard

MC1508562 | October 15 – Beginning with the October 2026 security update, Windows 11, versions 26H2, 25H2, and 24H2, along with Windows Server 2025 enforce restrictions on generating NTLMv1-derived credentials for Single Sign-On by default. This planned security-hardening change is part of the boarder Microsoft effort to phase out NTLM. Microsoft originally documented the change in August 2025. This change applies…
View more

The October 2026 Windows security update is now available

MC1506288 | October 13 – The October 2026 Windowssecurity 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 accessible from the Windows 11 update history page. To learn more about the different types of monthly quality updates, see View more

(Updated) Microsoft Teams: Meeting memory file generation

MC1429018 | October 12 – Microsoft Teams will generate AI meeting memory files capturing key meeting insights to enhance Microsoft 365 Copilot and Facilitator responses. These files, stored securely in tenant-owned SharePoint, are enabled by default with admin controls and configurable retention. Rollout starts November 2026, requiring no immediate action but admin review.
View more

(Updated) Connect Teams meeting to existing Planner Plans

MC1392571 | October 12 – Microsoft Teams meetings can now be linked to existing Microsoft Planner plans, allowing tasks to be tracked in one place instead of multiple plans. This feature, rolling out late December 2026 to January 2027, is enabled by default and supports automated or manual task creation via Facilitator.
View more

(Updated) Unified management of app and agent availability and installation in Teams, Outlook, and the Microsoft 365 app

MC796790 | October 12 – Microsoft is unifying app and agent availability and installation management across Teams, Outlook, and Microsoft 365 admin centers. Availability unification began in September 2025 in phases, with automatic unification planned. Installation unification starts late September 2026, synchronizing settings without admin action for eligible tenants.
View more

(Updated) Microsoft 365 admin center: New usage report for Copilot connectors

MC1404326 | October 16 – Microsoft 365 will introduce a new Copilot connectors usage report in the admin center by November 2026, showing usage across Copilot Chat, Search, and agents. It requires a Copilot (Premium) license, is enabled by default, and helps admins track adoption without impacting user workflows.
View more

(Updated) Microsoft 365 Copilot for Teams: Bilingual consecutive interpretation mode with Interpreter agent

MC1239927 | October 16 – Microsoft paused the rollout of the new bilingual consecutive interpretation mode in Microsoft Teams with the Interpreter agent. This mode enables structured, turn-by-turn multilingual meetings for Microsoft 365 Copilot licensed users. No tenant configuration is needed, and existing policies remain unchanged. Updates will be provided when rollout resumes.
View more

(Updated) Microsoft 365: Enrich profile cards with custom properties from third-party systems

MC1193692 | October 16 – Starting November 2026, Microsoft 365 admins can add up to 10 custom properties from external systems to user profile cards via Microsoft Graph People connectors. This feature is off by default, requires configuration, and enhances profile information in Outlook Web to improve collaboration context.
View more

Upcoming changes to Agents in SharePoint and OneDrive

MC1511052 | October 16 – SharePoint and OneDrive agents using the .agent file format will be upgraded to integrate with Microsoft Copilot’s extensibility ecosystem. From mid-November 2026, new agents use the Copilot Agent Builder, with .agent files supported until March 2027, after which they stop working. Organizations should prepare to upgrade agents and adopt new management and governance tools.
View more

(Updated) Microsoft Teams: Distinguish invites among Attendee, Presenter, and Co-organizer emails

MC1009930 | October 16 – Microsoft Teams will send separate event invites for Attendees, Presenters, and Co-organizers, helping organizers manage town hall invites distinctly. Rollout starts early December 2026, completing by mid-January 2027, with no admin action needed. Users should be notified and documentation updated accordingly.
View more

Microsoft PowerPoint: Publish and unpublish controls for official brand kits

MC1509803 | October 15 – Microsoft PowerPoint will introduce publish and unpublish controls for Official Brand Kits in mid-October 2026, allowing Brand Managers to temporarily remove or restore brand assets without deleting them or changing permissions, enhancing brand content management and availability within organizations. No action is required.
View more

Microsoft Teams: Customize file extensions blocked by Weaponizable File Protection

MC1509801 | October 15 – Microsoft Teams will allow admins to customize file extensions blocked by Weaponizable File Protection starting November 2026. Organizations can use the default Microsoft list or create a custom list, with the option to revert to the default for automatic updates. User experience remains unchanged. No action required.
View more

Microsoft Outlook for Android: Multi-select and bulk actions in search results

MC1509800 | October 15 – Microsoft Outlook for Android will add multi-select and bulk actions in search results starting mid-October 2026, allowing users to manage multiple emails at once. This feature, already on iOS, improves efficiency without requiring admin action; users should be informed and keep the app updated.
View more

Microsoft 365 Copilot: Legal plugins in Word and Cowork

MC1509799 | October 15 – Microsoft 365 Copilot introduces legal plugins in Word and Cowork to help legal professionals summarize, draft, review, and redline documents using Microsoft 365 context and third-party sources. Rollout occurs from April to December 2026. Admins can enable or disable these plugins; no setup is required.
View more

Support for Office LTSC 2021 and additional apps ended on October 13, 2026

MC1509797 | October 15 – Support for Office LTSC 2021 and related apps ended on October 13, 2026, with no more security updates or support. Organizations should upgrade to Microsoft 365 Apps or Office LTSC 2024 to maintain security, compliance, and support. Admins must identify and update affected devices promptly.
View more

Microsoft Teams: Enhanced channel meeting experience

MC1509796 | October 15 – Microsoft Teams will enhance channel meetings, allowing scheduling from Teams calendar and Outlook, easier discovery for channel members, and delegate scheduling. Rollout starts November 2026, completing by September 2027 across environments. No admin action needed; informing users is recommended. No compliance issues identified.
View more

Microsoft Edge: Browser-native XSLT will be disabled by default

MC1509789 | October 15 – Microsoft Edge will disable browser-native XSLT by default starting mid-December 2026 to reduce security risks. Organizations should identify and migrate affected applications before Edge Stable 159. A temporary XSLTEnabled policy will be available but removed by Edge 176 in Summer 2027.
View more

Microsoft Teams: Third-party synthetic audio and video detection in meetings

MC1509787 | October 15 – Microsoft Teams will support integration with certified third-party synthetic audio and video detection solutions to enhance meeting security. Organizations must select and deploy these providers, who analyze media for deepfakes. Rollout starts mid-November 2026, enabling admins to configure policies and manage permissions accordingly.
View more

(Updated) Viva Engage: Community feeds improvements

MC1187781 | October 15 – Viva Engage communities will default to viewing conversations by recent posts instead of recent activity starting October 2026. Users can still choose their preferred feed and sort order, with settings saved across communities. Unread indicators will appear in both new and all feeds. No action required.
View more

(Updated) Microsoft Planner: Capacity view

MC1474110 | October 15 – Microsoft Planner’s new Capacity view, launching late October 2026, shows a live staffing timeline from existing task data for Plan 3 licensed users on web and desktop (Teams, Outlook). It helps spot workload distribution without extra reports. No admin action needed; users should keep task details updated.
View more

(Updated) Microsoft Planner: Planner Agent chat in basic plans

MC1443514 | October 15 – Planner Agent chat is being added to Microsoft Planner basic plans, enabling users with a Microsoft 365 Copilot license to interact via natural language for plan management, insights, and task updates. Rollout begins September 2026, with admin controls to enable or block access.
View more

(Updated) Microsoft Defender for Office 365: Localized default mark and notify email template

MC1387578 | October 15 – Microsoft Defender for Office 365 will localize the default “Mark and notify” email template based on users’ Outlook language settings, improving clarity in user-reported message notifications. Rollout starts June 2026 globally, with no changes to message classification or custom templates. No action is required.
View more

(Updated) Viva Engage: Agents in Viva Engage communities Public Preview

MC1155311 | October 15 – Viva Engage Community Agents are in public preview, allowing admins to add AI agents that draft answers using community and selected SharePoint content. Features include tagging by members, analytics, and configurable posting modes. General availability and network-wide settings will be announced later; admins can opt in via the Engage admin center.
View more

(Updated) Calls popout into a new window on the browser to support multi-tasking and collaboration during a meeting

MC1462921 | October 15 – Microsoft Teams for Web will introduce a Picture-in-Picture Call Monitor allowing users to manage meetings in a separate window while multitasking in other browser tabs. The rollout starts mid-October 2026 for supported browsers like Edge and Chrome, requiring no admin action but user awareness and supported browser versions.
View more

App-V server support extended through October 9, 2029

MC1509128 | October 15 – What and why:Microsoft is returning Application Virtualization (App-V) server to extended support (as part of the Fixed Lifecycle policy) for an additional three years, through October 9, 2029. This extension gives your organization additional time to continue operating your existing App-V server deployments while evaluating a longer-term application delivery…
View more

Choose the data sources AI-powered Data Enrichment uses, including CRM notes

MC1509121 | October 15 – We are announcing the ability to choose the data sources AI-powered Data Enrichment uses, including CRM notes in Dynamics 365 Apps. This feature will reach general availability on October 23, 2026. How does this affect me? This feature enables admins to choose which data sources agents use to enrich records. Outlook emails, Teams meetings, and the new CRM notes source each have their own control toggle, and agents keep running as long as at least one source is toggled…
View more

(Updated) Microsoft Copilot Analytics: Data export public preview for Copilot metrics in the Copilot dashboard

MC1173208 | October 15 – Microsoft is introducing a default-on public preview of a data export feature in the Copilot Dashboard for users with full company-level access. It enables export of de-identified, weekly Copilot usage metrics from the past six months to analyze adoption and optimize licensing. Requires 50+ Copilot licenses.
View more

Power Platform – Deprecation of temporary authentication URLs for the Word Online (Business) connector

MC1508992 | October 15 – On October 14, 2026, the Word Online (Business) connector will remove its dependency on temporary, pre-authorized download URLs. This change improves the security for file access in SharePoint and OneDrive scenarios by requiring authenticated access for generated document content. How does this affect me? After this change, connector actions will use authenticated access to retrieve files instead of unauthenticated download URLs. This will affect organizations using the…
View more

Microsoft Purview | Information Protection: Sensitivity labels for Microsoft Entra security groups

MC1508238 | October 14 – Microsoft Purview will enable sensitivity labels for Microsoft Entra cloud security groups starting mid-November 2026, allowing administrators to apply and enforce governance policies on these groups. Labels can be assigned via multiple platforms, cannot yet be changed once applied, and require separate tenant configuration from Microsoft 365 groups.
View more

Microsoft Purview | Data Loss Prevention: Count of labeled documents condition for Exchange Online

MC1508235 | October 14 – Microsoft Purview DLP introduces a new Exchange Online condition to detect emails with a high count of sensitivity-labeled attachments, enhancing data protection. Available from November 2026, it allows admins to set thresholds for labeled files in emails, combining volume and content signals for better DLP policy enforcement.
View more

Microsoft Teams: Automatic recording and transcription options align with admin policies

MC1508234 | October 14 – Microsoft Teams will update meeting options to show only automatic recording and transcription settings allowed by assigned policies, adding a new “Record only” option. This change, rolling out November-December 2026, improves policy compliance and reduces confusion. No admin action is needed; communication to organizers is recommended.
View more

Microsoft Excel: Changes to Get Data from Web (Legacy) experience

MC1508229 | October 14 – Microsoft Excel will phase out the legacy Get Data from Web experience starting January 2027, encouraging use of the newer version with enhanced features. Existing legacy queries will still refresh, but new or edited legacy queries will be disabled. Users should update training and consider migrating queries to the new experience.
View more

90-Day Reminder: Windows 10 Enterprise LTSC 2021 will reach end of updates on January 12, 2027

MC1507706 | October 14 – On January 12, 2027, Windows 10 Enterprise LTSC 2021 will reach end of updates. The January 2027 Windows security update will be the last update available for this version. After this date, devices running Windows 10 Enterprise LTSC 2021 will no longer receive monthly security updates containing protections from the latest security…
View more

90-Day Reminder: Windows Server 2016 will reach end of updates on January 12, 2027

MC1507705 | October 14 – On January 12, 2027, Windows Server 2016 will reach end of updates. The January 2027 Windows security update will be the last update available for this version. After this date, devices running Windows Server 2016 will no longer receive monthly security updates containing protections from the latest security threats.This end of updates in 2027…
View more

Windows Server 2022 has reached end of mainstream support

MC1507704 | October 14 – As of October 13, 2026, Windows Server 2022 has reached end of mainstream support and transitioned to extended support. The October 2026 security update is the last mainstream support update available for this version. Extended support includes security updates at no additional cost, and Windows Server 2022 will continue to receive monthly security updates through October 14, 2031. For more information, see the…
View more

(Updated) The October 2026 Scan Cab is available

MC1507520 | October 14 – (Updated October 14, 2026: The availability time in this message was updated.)IMPORTANT: This notice only affects environments where Scan Cab is used to check for update compliance.What and why:The October 2026 Scan Cab was made available at 3:30 AM PT today, October 14, 2026. The Scan Cab…
View more

Updates available for Microsoft 365 Apps for all channels

MC1506982 | October 14 – We’ve released updates to the following update channels for Microsoft 365 Apps: Current ChannelMonthly Enterprise ChannelSemi-Annual Enterprise Channel
View more

(Updated) Microsoft Entra: Windows Hello for Business and macOS Platform SSO as standalone MFA factors

MC1450134 | October 13 – Microsoft Entra will recognize Windows Hello for Business and macOS Platform SSO as standalone MFA factors starting early October 2026, allowing users to meet MFA requirements without additional passkeys. No configuration changes are needed, but organizations should update onboarding and MFA registration guidance accordingly.
View more

(Updated) Microsoft Purview: Information Protection- File Labeler and File Viewer for MacOS

MC1326509 | October 13 – Microsoft Purview Information Protection is releasing File Labeler and File Viewer apps for macOS to enable sensitivity labeling and protected file viewing, matching Windows capabilities. Public preview starts May 29, 2026; general rollout begins January 2027. Advanced label-based protection is not supported initially. No immediate action required.
View more

(Updated) Microsoft 365 Copilot: Schedule prompts in Agent Builder

MC1302906 | October 13 – Microsoft 365 Copilot’s Agent Builder will support scheduled workflows to run prompts automatically on hourly, daily, weekly, monthly, or yearly cadences. Available worldwide by November 2026, this feature enables users to automate routine tasks per user, with workflows editable and enabled by default.
View more

Microsoft Planner: AI-generated status reports in Planner Agent

MC1506735 | October 13 – Microsoft Planner now includes AI-generated status reports via Planner Agent in Microsoft 365 Copilot, summarizing plan progress, risks, and next steps. Users with a Copilot license can customize and generate reports from accessible plan data. Rollout starts late October 2026, with no required user action.
View more

Action may be required: Review who can create agents in Microsoft Entra

MC1506733 | October 13 – Starting November 4, 2026, default users in Microsoft Entra can create agent blueprints unless administrators disable this via the “Users can create agent blueprints” setting. Admins can restrict this by toggling the setting to No in the Entra admin center before rollout completes in late November.
View more

Classic Outlook for Windows: Upcoming visual improvements and a more consistent Outlook experience

MC1506730 | October 13 – Classic Outlook for Windows will receive visual updates like improved icons, spacing, and alignment starting early November 2026, enhancing clarity and consistency without changing workflows. No admin action is needed; users and help desks should be informed of appearance changes. These updates do not replace the classic experience.
View more

Microsoft Entra: Changes to AgentIdentity.CreateAsManager permission for agent identities

MC1506728 | October 13 – Starting November 4, Microsoft Entra will stop automatically granting the AgentIdentity.CreateAsManager permission to agent blueprints. Admin consent will be required for agents to create identities. This change, rolling out worldwide in November 2026, enhances control and auditability of agent identity creation.
View more

Microsoft Agent 365: Expanded access to Microsoft agent usage and activity insights in Microsoft 365 admin center

MC1506727 | October 13 – Microsoft is removing the Agent 365 license requirement for observability data of supported agents built by Microsoft or on Microsoft platforms, expanding access to usage and activity insights in the Microsoft 365 admin center starting late November 2026. Licensing for other Agent 365 features and third-party agents remains unchanged.
View more

(Updated) Microsoft Edge: Upgraded Copilot new tab page

MC1440972 | October 13 – Microsoft Edge is upgrading the Copilot new tab page to integrate Microsoft 365 Copilot chat, web search, and work content in one experience with enhanced chat, compose features, suggested actions, and a refreshed design. Rollout begins late September 2026, requiring a Copilot license and admin enablement.
View more

(Updated) Microsoft Purview | Endpoint Data Loss Prevention: Policy sync and device health AI skill

MC1381121 | October 13 – Microsoft Purview Endpoint Data Loss Prevention will introduce AI-powered policy sync and device health insights to improve troubleshooting and policy enforcement visibility. The rollout is paused; no immediate action is needed. The feature requires Security Copilot and enhances compliance monitoring with AI-driven root cause analysis and remediation recommendations.
View more

Manage Administrator protection within Windows 11 security baseline

MC1506291 | October 13 – What and why:If your organization uses Windows security baselines, Administrator protection becomes enabled by default with the October 2026 Windows security update. The…
View more

Hardening changes for ReFS volumes on removable media

MC1506290 | October 13 – What and why:Microsoft is making hardening changes to the Resilient File System (ReFS). The changes improve the security posture of Windows by adding visibility into unsupported external ReFS configurations and by providing controls to block affected volumes. The changes apply to all supported Windows platforms in phases to allow your organization…
View more

Windows 11, version 24H2 (Home and Pro) and Windows 10 LTSB 2016 have reached end of updates

MC1506289 | October 13 – Today,October 13, 2026, Windows 11, version 24H2 Home and Pro, and Windows 10 Enterprise LTSB 2016 have reached end of updates. The October 2026 monthly security update is the last update available for these editions. Devices running…
View more

AD FS Distributed Key Manager (DKM) container ACL hardening begins today

MC1506287 | October 13 – What and whyBeginning with the October 2026 Windows security update, AD FS Distributed Key Manager (DKM) container access control list (ACL) hardening enters Enforcement mode. These protections address the elevation of privilege vulnerability described in CVE-2026-56155 by automatically remediating insecure DKM container ACL configurations on…
View more

Notice: The October 2026 Scan Cab for Microsoft updates is delayed

MC1506286 | October 13 – Note: This notice only affects environments where Scan Cab is used to check for Microsoft update compliance.What and why:The Scan Cab for the October 2026 Microsoft security updates is currently delayed and has not yet been released.Rollout schedule:The Scan Cab for the October 2026 Microsoft security updates is currently delayed and has not yet been released. We will communicate an update on Scan…
View more

Build apps in Microsoft Copilot Studio and Copilot Cowork

MC1469329 | October 13 – Microsoft Copilot Studio and Copilot Cowork preview app-building with natural-language AI, enabling makers to create, test, and publish apps using organizational data and policies. Copilot Credits manage usage and billing. Admins control access and governance via the Microsoft 365 admin center. Rollout started September 2026.
View more

Microsoft Purview | Data Lifecycle Management: Retention based on “last accessed” for OneDrive and SharePoint files

MC999442 | October 13 – Microsoft Purview will enable retention policies based on the “last accessed” date for Office files in OneDrive and SharePoint, starting preview in January 2027 and general availability by March 2027. This helps delete obsolete data and improve Microsoft 365 Copilot responses, with no admin action required before rollout.
View more

Dynamics 365 Apps – Add users without licenses to activity recipient fields (preview)

MC1506229 | October 13 – We are announcing the ability to enable active Microsoft Entra users without Dataverse or Power Apps licenses as activity recipients. Created user records remain disabled and do not grant Dynamics 365 app access. This feature will reach public preview on October 15, 2026. How does this affect me? With this feature enabled, active Entra ID users who do not have a valid Dynamics 365 or Power Apps license can be selected in fields such as: Email: To, Cc, and…
View more

(Updated) Microsoft Copilot for Outlook: New Copilot entry point in Classic Outlook

MC1441784 | October 13 – Microsoft is updating the Copilot entry point in Classic Outlook to a new location next to the ribbon, enhancing visibility and providing AI-powered contextual recommendations. The rollout begins late October 2026 worldwide, with no changes to licensing or admin settings. No action is required, but communication to users is recommended.
View more

(Updated) Microsoft Purview: permissions audit log improvements

MC1473155 | October 13 – Microsoft Purview is enhancing audit logging for role-based access control, adding two new audit operations to improve transparency and troubleshooting. The update, rolling out worldwide from late September to October 2026, requires no action and provides clearer visibility into access evaluations for administrators.
View more

Microsoft Teams: Hide organizer names in calendar view on Teams Panels

MC1484010 | October 13 – Microsoft Teams Panels will add an admin setting to show or hide organizer names in Calendar View, configurable via the Teams Rooms Pro Management portal or panel device. This feature, available with Teams Rooms Pro and Shared Spaces licenses, launches worldwide in early October 2026.
View more

(Updated) Microsoft Teams: New centralized experience for organizing important resources in chats and channels

MC1473153 | October 13 – Microsoft Teams is introducing 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 begins late September 2026; no admin action required.
View more

(Updated) Microsoft Entra: Allow password change after secure sign-in with My Sign-Ins

MC1437671 | October 13 – Microsoft Entra will enable users to change passwords after secure sign-in using strong credentials (passkey, FIDO2, Windows Hello) without knowing the current password or using SSPR. This feature, disabled by default, requires admin activation and will roll out globally from October to November 2026.
View more

Public CDN is becoming optional during Brand Center setup

MC1505610 | October 12 – Brand Center setup will no longer require enabling Public CDN by default, allowing organizations to use branding governance without it. Public CDN remains necessary for font features and must be explicitly enabled. This change rolls out worldwide in October 2026 with no action required unless fonts are used.
View more

Microsoft 365 Copilot and Power Apps: Retirement of App Builder agent and vibe.powerapps.com

MC1505609 | October 12 – Microsoft is retiring the App Builder agent and vibe.powerapps.com by November 30, 2026, consolidating app creation into Copilot Cowork and Microsoft Copilot Studio. New app creation in retired platforms ends mid-October 2026. Organizations must migrate existing apps before retirement using upcoming in-product migration tools.
View more

Audio overviews on PDF

MC1505608 | October 12 – Microsoft 365 Copilot mobile app’s Audio Overviews on PDFs, which create AI-generated podcast-style summaries for commercial users, will be retired worldwide on October 30, 2026. After this date, the feature and previously generated audio overviews will no longer be available. No admin action is needed.
View more

Outlook: Reply With a Template in Rules

MC1505607 | October 12 – New Outlook for Windows and Outlook on the web will let users create inbox rules that auto-reply with saved templates, automating routine responses. Rollout starts mid-October 2026 (Targeted Release) and completes by December 2026 (General Availability). No admin action is required before rollout.
View more

Microsoft Purview Audit: AuditLogQuery API generally available and Search-UnifiedAuditLog retiring

MC1505599 | October 12 – The Microsoft Graph AuditLogQuery API will be generally available in October 2026, replacing the Search-UnifiedAuditLog PowerShell cmdlet, which will retire on October 15, 2027. Organizations using Search-UnifiedAuditLog must migrate to the API to avoid disruptions, as future audit search enhancements will focus on the API.
View more

(Updated) Microsoft Copilot: New ways to work across Microsoft Copilot and Microsoft 365

MC1479277 | October 12 – Microsoft Copilot updates include a new Home experience, enhanced Office integration, Code and Autopilot features with usage-based billing, Copilot Managed Runtime for enterprise code, and general availability in SharePoint and OneDrive. Admins must configure spending policies and manage access via the Microsoft 365 admin center.
View more

(Updated) Microsoft Purview: Archive SharePoint files under retention policies

MC1472601 | October 12 – Microsoft Purview Data Lifecycle Management will enable admins to archive inactive SharePoint files under retention policies starting December 2026. Archived files move to Microsoft 365 Archive, remain compliant and discoverable, and are excluded from Copilot indexing, improving response relevance. This feature requires admin configuration.
View more

(Updated) Microsoft Purview | Data Lifecycle Management – Archive SharePoint files under retention

MC1325441 | October 12 – Microsoft Purview Data Lifecycle Management will enable archiving SharePoint files based on retention policies to reduce storage costs while maintaining compliance. Archived files stay discoverable but are excluded from Copilot indexing. The feature requires admin configuration, with rollout from September to December 2026.
View more

Dynamics 365 and Power Platform– Information about storage validation for Dataverse-only tenants

MC1483528 | October 12 – Beginning November 9, 2026, we are introducing staged storage validation for supported Dynamics 365 applications. The change gives administrators clearer visibility into storage use, advance notice of potential restrictions, and several ways to remain within capacity, including removing unneeded data, adding capacity, or enabling pay-as-you-go for sandbox environments.If no corrective action is initiated after repeated notifications, when a tenant exceeds its entitled Database, File, or…
View more

(Updated) Microsoft Teams: Channel agent orchestration with GitHub, Asana, and Jira via Model Context Protocol (MCP)

MC1182703 | October 12 – Microsoft Teams’ Channel Agent integration with GitHub, Asana, and Jira via Model Context Protocol (MCP) rollout is paused. This feature enables task orchestration across tools within Teams, requires a Microsoft 365 Copilot license, and will be previewed with admin enablement when resumed.
View more

Dynamics 365 Sales – Information regarding the retirement of the Dynamics 365 Sales Insights standalone add-on

MC1502773 | October 12 – Starting November 1, 2026, Dynamics 365 Sales Insights as a standalone add-on will have reached end of support. Sales Insights is a legacy offering whose capabilities are already included in Sales Premium. Sales Premium delivers the Sales Insights capabilities at the same price as the Sales Enterprise + Sales Insights combination. It also includes Copilot Credits, additional Dataverse storage capacity, and access to new Sales Premium capabilities. This change is intended to reduce…
View more

Microsoft 365 Backup: Full workload backup for SharePoint, OneDrive, and Exchange

MC1387526 | October 12 – Microsoft 365 Backup introduces Full Workload Backup for SharePoint, OneDrive, and Exchange, enabling admins to protect entire workloads with one policy. It automatically covers all existing and new artifacts, reduces admin effort, and supports enterprise data protection. Rollout begins July 2026; admin configuration is required to enable.
View more