Message center announcements
October 5, 2026 – October 11, 2026
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Microsoft Graph: New tenant controls for retirement of non-standard file API tokens
MC1492958 | October 9 – Microsoft will retire pre-authenticated (tempauth) URLs in SharePoint Online and OneDrive by April 1, 2027. New tenant controls will allow admins to test updated Microsoft Graph URL behavior using Microsoft Entra ID authentication. Apps must stop relying on embedded auth URLs and HTTP 302 redirects. Validation before the deadline is recommended.
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Microsoft Planner: Introducing Local Custom Fields
MC1492955 | October 9 – Microsoft Planner introduces Local Custom Fields, allowing users with Planner Premium licenses to add up to 10 customizable fields (Text, Number, Date, Yes/No, Choice) to tasks for tailored workflows. Microsoft 365 users have read-only access. The rollout begins late October 2026, with no admin setup required. Custom fields integrate with existing compliance and audit features.
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Microsoft Outlook: Themes by Copilot retirement
MC1492954 | October 9 – Themes by Copilot in Microsoft Outlook will be retired worldwide from mid- to late October 2026. Users with a Copilot license will lose the ability to select or revert to these themes, though current themes remain until changed. No action is required.
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Take action to prevent RD Web Access rendering failures
MC1491832 | October 8 – The Remote Desktop Web Access (RD Web Access) experience included with Windows Server relies on Extensible Stylesheet Language Transformations (XSLT) to render its web interface. Chromium-based and other browsers are disabling XSLT support in the short term.As browsers disable this feature, the RD Web Access experience included with Windows Server will no longer render as expected. Microsoft has published…
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Microsoft Edge: Retiring legacy sign-in implementation on Windows
MC1490911 | October 7 – Microsoft Edge on Windows will retire its legacy direct-WAM sign-in in version 157, fully adopting the OneAuth library to standardize authentication. Rollout starts and completes in November 2026. Admins should identify unmigrated profiles, test transitions, and prepare for possible user sign-in prompts.
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Microsoft 365: Targeted Release retirement
MC1490899 | October 7 – Microsoft 365 Targeted Release will retire in January 2027, replaced by Frontier, Standard, and Deferred release options. Administrators must update user enrollments and release preferences by November 2026, when Targeted Release management ends and a unified release preferences experience launches in the admin center.
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(Updated) Transitioning Teams Android Device Management from Teams admin Center to the Teams Rooms Pro Management portal
MC1227622 | October 7 – Teams Android device management is transitioning from the Teams admin center to the Teams Rooms Pro Management portal by July 2026, consolidating management of all Teams devices into one portal. Deprecation of device management in TAC will begin October 2026, with phased rollouts and migration guidance provided.
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Microsoft Viva Insights: New Power BI report publishing capabilities for leaders
MC1489942 | October 6 – Microsoft Viva Insights is expanding Power BI report publishing to leaders, allowing them to publish and distribute reports directly. The “Analyst report publish” setting is renamed “Report publish,” managed by admins and on by default. Rollout begins November 2026, with no action required but governance review recommended.
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(Updated) Microsoft OneDrive: New pay-as-you-go storage billing option
MC1477185 | October 6 – Microsoft is introducing a pay-as-you-go billing option for additional OneDrive storage, allowing admins to let selected accounts exceed licensed quotas with automatic usage-based billing. Public preview is available now for commercial tenants, with general availability starting November 2026. No action is needed if unused.
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(Updated) Microsoft Teams: Improved file sharing experience in external chats
MC1479514 | October 6 – Microsoft Teams will enable Attach file and drag-and-drop for external chats by default starting late October 2026, improving file sharing. Files are stored in the sender’s OneDrive with automatic permission assignment, subject to existing OneDrive/SharePoint policies. Admins can disable this via Teams PowerShell settings.
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(Updated) New Outlook for Windows becomes available for GCC High and DoD
MC1338816 | October 5 – New Outlook for Windows will be available in GCC High and DoD environments starting Public Preview July 30, 2026, has rolled out. It remains off by default and opt-in, allowing admins control via policies and registry keys. Migration from COM to web add-ins is recommended.
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Microsoft Outlook: Update to default blocked file types in OwaMailboxPolicy
MC1488841 | October 5 – Outlook on the web and new Outlook for Windows will block .msix and .msixbundle file types by default in OwaMailboxPolicy starting November 2026 to enhance security. Organizations using these file types should whitelist them beforehand; no action is needed if not used.
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(Updated) Migrate Free/Busy, MailTips, and Calendar Sharing before EWS deprecation
MC1446796 | October 5 – Exchange Web Services (EWS) deprecation starts October 1, 2026, affecting cross-tenant Free/Busy, MailTips, and Calendar Sharing. Migration to Microsoft 365 Cross-Tenant Access Policy is required by mid-October 2026 to avoid service disruption. Gov rollout is paused; updates will be shared via Message center.
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Microsoft 365 Copilot: Skills in Copilot Chat
MC1493223 | October 9 – Microsoft 365 Copilot Chat now supports customizable skills for task-specific instructions, usable by end users and deployable by admins. Skills integrate with plugins, are discoverable in the Agent Store, and work across Copilot Chat and Cowork. Rollout begins October 2026, with Information Barriers support in November.
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Microsoft Outlook for Android and iOS: Send Availability functionality restored
MC1493186 | October 9 – The Send Availability feature is restored in Microsoft Outlook for Android and iOS, allowing users to share their meeting availability easily while composing emails. iOS users can also access it via the keyboard and VoiceOver. The update is available worldwide with no action required.
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Audio Overview Updates
MC1492959 | October 9 – Microsoft is enhancing Audio Overview with topic-based episodes for easier navigation, support for sensitivity labels when saving to OneDrive, and expanded content types including OneNote, Loop pages, emails, and Teams chats. The update rolls out worldwide from late October to November 2026 with no admin action needed.
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(Updated) Microsoft Teams: PowerPoint Live introduces light mode for presenters
MC1462473 | October 9 – PowerPoint Live in Microsoft Teams will add a light mode option for presenters, alongside dark, classic, and high contrast modes. This update, rolling out from September to November 2026, enhances flexibility and accessibility without affecting presentation content or attendee views. No admin action is needed.
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30-Day Reminder: Windows 11, version 23H2 Enterprise and Education editions reach end of updates on November 10, 2026
MC1492825 | October 9 – On November 10, 2026, Windows 11, version 23H2 Enterprise and Education editions will reach end of updates. The November 2026 Windows security update will be the last update available for these editions. After this date, devices running these editions will no longer receive monthly security updates containing protections from the latest security…
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(Updated) Microsoft Defender for Office 365: New email submissions data in Advanced Hunting
MC1484009 | October 9 – Microsoft Defender for Office 365 is adding two new Advanced Hunting tables, SubmissionEvents and SubmissionResults, to enhance email submission visibility and detection workflows. Public Preview starts early October 2026; General Availability begins late October 2026. No immediate action or compliance concerns are required.
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(Updated) Microsoft Entra: Authenticated password change in My Sign-Ins
MC1437671 | October 9 – 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.
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(Updated) Microsoft Purview | Data Loss Prevention: Administrative Units support for DLP policies for Microsoft Copilot
MC1486284 | October 9 – Microsoft has decided not to proceed with extending Microsoft Entra Administrative Units support to Microsoft Purview DLP policies for Microsoft Copilot. No changes will occur, and no action is required. Existing DLP policies and enforcement remain unchanged.
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(Updated) Microsoft Teams: Removing Copilot from the chat list
MC1477999 | October 9 – Updated October 8, 2026: After additional consideration we have decided not to proceed with this change. You can safely disregard this message. We apologize for any inconvenience this may have caused.
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Dynamics 365 Contact Center – Improved feature discoverability within Contact Center Admin Center
MC1492276 | October 9 – We are announcing improvements for discovering the latest features and news about capabilities in Dynamics 365 Contact Center. This feature will reach public preview on October 23, 2026. How does this affect me? With these discoverability improvements, administrators can more easily discover what’s new, understand the value of key capabilities, and take the next step toward adoption. This feature connects administrators to relevant learning and adoption resources with two…
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Microsoft Outlook: New event duplication capability
MC1492166 | October 8 – Microsoft Outlook is adding a “Duplicate event” feature allowing users to quickly create new events from existing ones without re-entering details. The rollout began in late September 2026 and will complete by late October 2026. No action or compliance concerns are required.
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Microsoft PowerPoint for Windows: Improved slide contextual menu consistency
MC1492165 | October 8 – Microsoft PowerPoint for Windows will update the slide contextual menu for better consistency and organization, removing the low-usage Photo Album command from the menu but keeping it in the Insert tab. The rollout starts in October 2026, requires no action, and affects all users.
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Microsoft PowerPoint for Mac: Improved slide contextual menu consistency
MC1492164 | October 8 – Microsoft PowerPoint for Mac will update slide contextual menus for consistency, removing the Zoom command and Cut/Copy from the slide menu but keeping them elsewhere. Layout and Reset Slide commands will appear in both slide and thumbnail menus. The change rolls out worldwide in October 2026, enabled by default with no impact on compliance or licensing.
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Microsoft API Hub: Zendesk OAuth tokens will require expiration and automatic refresh
MC1492163 | October 8 – Microsoft API Hub will update Zendesk OAuth tokens to expire after 48 hours with refresh tokens expiring after 90 days, supporting automatic refresh. Existing connections must be reauthorized by early 2027 to avoid failures. Organizations should identify and reauthorize affected connections and inform developers.
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Microsoft 365 Copilot in PowerPoint: ‘Clarify my thinking’ skill for desktop
MC1492161 | October 8 – Microsoft 365 Copilot in PowerPoint on desktop introduces the “Clarify my thinking” skill, helping users refine ideas and improve presentations. Rolling out worldwide from October 8, 2026, it requires no admin action but may need user communication and training updates. Existing Copilot controls and licensing apply.
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Microsoft 365 Copilot in PowerPoint: ‘Clarify my thinking’ skill for web
MC1492160 | October 8 – Microsoft 365 Copilot in PowerPoint on web introduces the “Clarify my thinking” skill, helping users refine ideas and improve presentations. Rolling out worldwide from October 8, 2026, it requires no admin action but may need user communication and training updates. Existing Copilot controls and licensing apply.
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Microsoft 365 Copilot in PowerPoint: ‘Clarify my thinking’ skill for Mac
MC1492159 | October 8 – Microsoft 365 Copilot in PowerPoint on Mac introduces the “Clarify my thinking” skill to help users refine ideas and improve presentations. Rolling out worldwide from October 8, 2026, it requires no admin action but may need user communication and training updates. Existing controls and licensing apply.
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Microsoft PowerPoint for Windows: Smarter Keep Source Formatting slide pasting experience
MC1492156 | October 8 – PowerPoint for Windows now imports only necessary slide masters and layouts when pasting slides with Keep Source Formatting, reducing file size and improving performance. Users can revert to the old behavior via a setting. Rollout began September 2026, completing by October 2026. No action required.
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Microsoft PowerPoint for Mac: Smarter Keep Source Formatting slide pasting experience
MC1492155 | October 8 – PowerPoint for Mac now imports only necessary slide masters and layouts when pasting slides with Keep Source Formatting, reducing file size and improving performance and collaboration. Users can revert to the old behavior via settings. Rollout began late September 2026, completing by late October 2026. No action required.
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Enhanced M365 Copilot Memory – Copilot is now personalized with work data
MC1492154 | October 8 – M365 Copilot now uses Microsoft 365 work data to provide personalized responses, rolling out worldwide in October 2026. Users can disable this via “Chat History and Work Insights” settings; admins can control it with enhancedPersonalizationSetting. No admin action or compliance issues are required.
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Viva Glint: Change to the default email sending domain
MC1492153 | October 8 – Starting January 1, 2027, Viva Glint survey emails will use your organization’s default domain unless a custom sending domain is configured. Organizations should review and set up a custom domain, validate email authentication, update spam filters, and inform survey teams to ensure proper email delivery and recognition.
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New Dynamics 365 Sales and Customer Service experiences across Teams, Copilot, and Outlook
MC1492151 | October 8 – Microsoft is launching new Dynamics 365 Sales and Customer Service experiences integrated with Teams, Copilot, and Outlook, enabling seamless access to customer data and workflows. Key features include Sales and Service skills, Teams Channel Agent, and Sales Development Agent, with phased rollout starting October 8, 2026, requiring admin activation and licensing.
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(Updated) Allow connections to copilot.cloud.microsoft before the Copilot URL redirect
MC1462915 | October 8 – Starting September 2026, Microsoft will redirect users from m365.cloud.microsoft to copilot.cloud.microsoft. Organizations must allow connections to *.cloud.microsoft in network and security controls to avoid Copilot access disruptions. Validate connectivity, update allow lists, and coordinate with security teams before the redirect.
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(Updated) Microsoft 365 Copilot: Copilot Pages and Notebooks Creation in OneDrive
MC1449182 | October 8 – Starting mid-October 2026, new Microsoft 365 Copilot Pages and Notebooks will be stored in OneDrive for Business, enabling existing OneDrive governance, compliance, data protection, retention, and lifecycle management features to apply. Existing Copilot content remains unchanged; no user action is required.
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Prepare for Windows Update certificate rotation in 2027
MC1491763 | October 8 – What and whyCertificates that help devices establish trusted connections to Windows Update will expire on May 17, 2027, and June 19, 2027. Devices must contain the replacement certificates to continue connecting to Windows Update and receiving updates after the applicable expiration date.Microsoft has delivered the replacement certificates through Windows security updates. Most devices running an in-support version of Windows require no…
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Windows Office Hours: October 15, 2026
MC1491762 | October 8 – If you are an IT admin with questions about managing and updating Windows, we want to help. Every third Thursday of the month, we host a live chat-based event on the Tech Community called Windows Office Hours. Members of the Windows, Microsoft Intune, Windows Autopilot, Windows Autopatch, and Windows 365 engineering teams will be standing by to answer your questions.Want to attend the October 15 session of Office Hours? View more
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(Updated) Microsoft Entra ID: Passkey support for B2B users
MC1459133 | October 8 – Microsoft Entra ID will support passkey registration and sign-in for B2B users, enabling phishing-resistant MFA in resource tenants starting late October 2026. Internal guest users get Microsoft Authenticator app passkeys; external users do not. The feature is enabled by default, intersecting with SMS/voice retirement policies. No action required, but administrators should review policies.
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Microsoft Entra: Users can register a passkey or passwordless sign-in as their first multifactor authentication method
MC1450133 | October 8 – Microsoft Entra will allow users to register passkeys or passwordless sign-in as their first multifactor authentication method, removing the need to set up SMS or voice first. This phased rollout begins late October 2026, aiming to ease adoption of phishing-resistant authentication without requiring user action.
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(Updated) Outlook for iOS and Android: Automatically apply email sensitivity labels from labeled attachments
MC1465780 | October 7 – Outlook for iOS and Android will automatically apply or recommend email sensitivity labels based on attached files with Microsoft Purview sensitivity labels starting mid-November 2026. This enhances consistent data protection, reduces manual labeling, and supports compliance without requiring admin action. Organizations should review label policies accordingly.
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(Updated) Create interactive slides in PowerPoint with Copilot skill (Windows and Mac)
MC1461152 | October 7 – PowerPoint’s new Copilot skill “Create interactive slide” enables users on Windows, Mac, and web to easily create interactive, full-slide visuals for complex concepts, timelines, and data. Attendees can interact independently in PowerPoint Live for Teams. Rollout begins mid-October 2026; a Copilot license is required.
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Microsoft Teams: Call quality feedback surveys for Teams Rooms on Android
MC1490912 | October 7 – Microsoft Teams will introduce call quality feedback surveys for Teams Rooms on Android starting November 2026. Users can rate audio, video, and screen-sharing quality after meetings. Feedback helps improve Teams services. No admin action is required before rollout; updating the app and informing users is recommended.
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Microsoft Defender Vulnerability Management: Private preview for selected developer package vulnerability coverage
MC1490909 | October 7 – Microsoft Defender Vulnerability Management is privately previewing expanded vulnerability coverage for selected Node.js, Python, and Java packages on Windows devices. It integrates with existing workflows, APIs, and exports, with rollout planned from September to December 2026. Organizations should prepare for increased data volume and validate integrations before enabling.
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Microsoft Teams: Analytics for desk utilization in Teams Pro Management portal
MC1490906 | October 7 – Microsoft Teams Pro Management portal will add desk utilization analytics, showing usage, reservations, occupancy, and peak patterns. Requires desks with peripheral devices and appropriate Shared Space licenses. Rolling out worldwide from November to mid-December 2026 to aid space planning without compliance concerns.
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Microsoft Defender for Office 365: Post-delivery protection for malicious QR codes in Microsoft Teams
MC1490905 | October 7 – Microsoft Defender for Office 365 extends Teams URL protection to detect malicious URLs in QR codes post-delivery, warning users and enabling security teams to investigate via Advanced Hunting. Rolling out worldwide from October to November 2026, no user action is required, but admins should review related settings and processes.
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‘Record A Skill’ Capability in PowerPoint Copilot
MC1490903 | October 7 – PowerPoint Copilot will introduce a “Record a Skill” feature in October 2026, allowing users to record and reuse workflows for common tasks. This enhances efficiency and consistency without requiring admin action. Organizations should inform support teams and users about this new capability.
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(Updated) Microsoft 365: The Next Generation of File & Folder Sharing
MC1454378 | October 7 – Microsoft 365 introduces a third-generation sharing experience with a single “hero link” for files and folders, simplifying access control and updates. Rolling out worldwide from October to November 2026, it affects SharePoint, OneDrive, and Microsoft 365 sharing, with no required user action before rollout.
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Interim guidance for Manitoba time zone changes
MC1490598 | October 7 – What and why:A time zone change affects Windows devices in Manitoba, with Windows releasing a fix in October 2026. Manitoba is permanently moving to UTC-5 and will not set its clocks back on November 1, 2026. Microsoft recommends a temporary workaround for devices that can’t be updated in time. For the workaround steps and full guidance, visit the Daylight…
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(Updated) Microsoft 365 Copilot: Legal agent available in Frontier worldwide
MC1388706 | October 7 – Copilot for Legal is now in Public Preview worldwide for Frontier users, expanding beyond the U.S. It helps legal professionals review contracts, identify risks, compare clauses, and generate tracked changes. No separate installation is needed; access requires Frontier enrollment and Copilot licenses.
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(Updated) Spell check before sending emails in new Outlook
MC1479509 | October 6 – Starting mid-October to mid-December 2026, new Outlook for Windows and Outlook on the web will roll out an automatic spell check before sending emails. Users can enable this feature if Connected Experiences are on. Organizations should review privacy policies and update training accordingly.
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Microsoft Purview DLP: Improved setup and Intune multi-admin approval support for unmanaged apps in Edge for Business
MC1489971 | October 6 – Starting November 2026, Microsoft Purview DLP will improve setup and support Intune multi-admin approval for unmanaged apps in Edge for Business, offering clearer status, detailed errors, and task coordination between Purview and Intune admins without changing existing policies or enforcement.
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(Updated) Microsoft Outlook: Link preview retirement
MC1479516 | October 6 – The Link Preview feature in new Outlook for Windows and Outlook on the web has been retired due to the deprecation of the browser service needed for previews. Links remain clickable, no action is required, but users should be informed that preview cards will no longer appear.
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Microsoft 365 Backup: Activity Logs
MC1489931 | October 6 – Microsoft 365 Backup will introduce activity logs by mid-October 2026, enabling administrators to monitor backup and restore activities across SharePoint Online, OneDrive, and Exchange Online. Logs include detailed metadata, filtering, search, export options, and role-based access within the Microsoft 365 admin center. No action required.
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Microsoft Brand Kit: Duplicate an existing Brand Kit
MC1489928 | October 6 – Microsoft now allows Brand Managers and Brand Kit owners to duplicate existing Brand Kits to create new ones, simplifying setup for different brands or regions. This feature is available worldwide with no action required, aiming to reduce manual effort and improve efficiency in Brand Kit management.
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Microsoft Create: Improved sharing controls for Brand Kits
MC1489926 | October 6 – Microsoft Create now allows Brand Kit owners to modify sharing permissions after sharing, including changing user access between view and edit or removing access. This feature is available worldwide with no action required, helping organizations better manage Brand Kit access as collaboration needs evolve.
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Updates available for Microsoft 365 Apps for Current Channel
MC1489691 | October 6 – We’ve released updates to the following update channel for Microsoft 365 Apps: Current Channel
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(Updated) Connected Platforms – Agent 365 extends observability to third-party agents
MC1480873 | October 6 – Microsoft Agent 365 will support observability for third-party agents from Amazon Bedrock, Google Vertex AI, and Anthropic Claude, enabling unified monitoring of runs, sessions, and exceptions. Rollout begins late October 2026 with admin controls for enabling data collection and platform-specific setup requirements.
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Dynamics 365 Project Operations – Assign task level calendar for precise planning
MC1489590 | October 6 – We are announcing the ability to assign task level calendar for precise planning in Dynamics 365 Project Operations. This feature will reach general availability on September 30, 2026.How does this affect me?This feature provides an experience to change the task calendar on the Customizable task details pane. To enable this feature, from project parameters select Enable Customize Task Pane. When enabled through feature control, this functionality lets…
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(Updated) [Outlook Mac] Purview Data Loss Prevention support for Calendar Events
MC1472022 | October 6 – Outlook for Mac will support Microsoft Purview Data Loss Prevention for calendar events starting mid-November 2026, helping organizations prevent sensitive data sharing in meeting details. Existing DLP policies will automatically apply, requiring no admin action, enhancing consistent compliance across email and calendar.
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(Updated) [Outlook Mobile] Purview Data Loss Prevention support for Calendar Events
MC1472023 | October 6 – Outlook for iOS and Android will support Microsoft Purview Data Loss Prevention for calendar events starting mid-November 2026, helping prevent sensitive data sharing in meeting details. No admin action is needed; existing DLP policies will automatically apply, enhancing compliance across email and calendar.
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(Updated) [Outlook Mac] Purview DLP Wait-on-Send Support
MC1472019 | October 6 – Outlook for Mac will support Microsoft Purview DLP wait-on-send policies starting mid-November 2026, allowing organizations to enforce DLP evaluations before sending emails. This enhances data protection by controlling wait times for policy checks, improving compliance and user experience. Administrators should review and configure policies accordingly.
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(Updated) [Outlook Mobile] Purview DLP Wait-on-Send Support
MC1472021 | October 6 – Outlook for iOS and Android will support Microsoft Purview DLP wait-on-send policies starting mid-November 2026, allowing organizations to enforce DLP evaluations before sending emails. Administrators can configure wait times to enhance policy compliance and balance security with user productivity. Review and enable as needed.
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(Updated) Outlook for Mac: Sensitivity label recommendations and auto-labeling from attachments
MC1465779 | October 6 – Outlook for Mac will auto-apply or recommend Microsoft Purview sensitivity labels for emails based on attached files’ labels, enhancing consistent information protection. Rollout begins mid-November 2026. No admin action is required, but organizations should review label policies and inform relevant teams.
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(Updated) Microsoft Copilot Word: Document summarization experience moving
MC1454113 | October 6 – Starting September 2026, Microsoft Word’s document summarization will move from the Top of Doc experience to other Copilot surfaces, maintaining AI-powered summaries accessible via Copilot prompts. No admin action is needed, but user communication and training updates are recommended.
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(Updated) Microsoft Viva: Targeted audience surveys in the Copilot dashboard
MC1446805 | October 6 – Microsoft Viva introduces targeted audience surveys in the Copilot dashboard, allowing authorized users (CxO or delegates) to send Viva Pulse surveys to predefined Copilot user groups dynamically filtered from dashboard data. The feature rolls out from mid-August to mid-November 2026, enabled by default for eligible organizations.
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(Updated) Microsoft Teams: Multi-line call history tabs in the Calls app
MC1484013 | October 6 – Microsoft Teams will introduce multi-line call history tabs in the Calls app for users with multi-line calling, organizing call activity by phone line. The rollout begins early November 2026, with no action required. This update affects desktop and web Teams and simplifies managing multiple phone lines.
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(Updated) Microsoft Teams: QR code protection for messages from external users
MC1470410 | October 6 – Microsoft Teams will blur QR code images from external users by default starting mid-October 2026 to reduce phishing risks. Users can reveal images if trusted. No admin action is needed, but admins should inform users and update related guidance. The feature applies across all Teams platforms automatically.
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(Updated) Calls popout into a new window on the browser to support multi-tasking and collaboration during a meeting
MC1462921 | October 6 – Microsoft Teams for Web will introduce a Picture-in-Picture Call Monitor starting mid-October 2026, allowing users to manage meetings in a separate window while multitasking in other browser tabs. No admin action is needed, but users should have supported browsers and support staff should be informed.
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Microsoft Excel: Excel canvas
MC1485411 | October 6 – Excel canvas, a new Copilot feature in Microsoft Excel, creates dynamic reports with visualizations and insights that update automatically with data changes. Available worldwide by late October 2026, it supports natural language interaction for report customization. No action is required; notify users and update training materials as needed.
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Microsoft OneDrive and SharePoint: Generate smart tables of contents for PDFs on the web with Copilot
MC1486295 | October 6 – Microsoft 365 Copilot users can generate AI-created, hierarchical, clickable tables of contents for PDFs in OneDrive and SharePoint on the web starting December 2026. The feature is user-initiated, respects permissions, supports saving by editors, and may have inaccuracies, especially with scanned PDFs.
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(Updated) OneDrive for Business: Improved Windows Desktop sync error messages for max path length
MC1422063 | October 5 – OneDrive for Business on Windows will improve sync error messages for paths exceeding 520 characters, guiding users to rename or move items without stopping sync. This update, rolling out from late October to November 2026, aims to reduce confusion and support tickets with no admin action needed.
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(Updated) Microsoft Copilot: New ways to work across Microsoft Copilot and Microsoft 365
MC1479277 | October 5 – Microsoft Copilot updates include a new Home experience, enhanced Office integration, Code and Autopilot features, and an enterprise-grade Managed Runtime platform. SharePoint and OneDrive Copilot are generally available. Usage-based billing requires spending policies. Updates roll out starting October 2026 with admin controls for access and cost management.
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Microsoft Teams: Breakout room support for Teams Rooms on Android
MC1488847 | October 5 – Microsoft Teams Rooms on Android will support breakout rooms, allowing meeting organizers to assign and move these devices between breakout and main rooms. This feature, improving coordination and feature parity with Windows, will roll out worldwide from mid to late November 2026. No action is required.
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Private tasks now stored in your private plan in Planner
MC1488845 | October 5 – Starting November 2026, private tasks in Microsoft Planner will be stored in users’ private Planner plans instead of Microsoft To Do, enabling richer features while remaining private. Existing tasks stay visible in Planner. No admin action is needed, but organizations should update documentation and compliance processes accordingly.
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Updated My Task experience in Planner
MC1488844 | October 5 – Microsoft Planner’s My Tasks experience will be redesigned for clearer navigation, better task organization, and streamlined task creation, enhancing productivity. The update rolls out worldwide from early to late November 2026, requires no user action, and preserves existing tasks and settings.
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Microsoft Word for Android: Agent Mode
MC1488843 | October 5 – Microsoft Word for Android will gain Copilot Agent Mode by late September 2026, enabling users to draft, reason, and refine content with AI assistance. No admin action is needed, but organizations should update guidance and review policies to align with this new task-oriented Copilot experience.
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(Updated) Microsoft Teams: Modernized Gallery view in Teams Rooms on Android
MC1446797 | October 5 – Microsoft Teams Rooms on Android will receive a modernized Gallery view from mid-August to late October 2026, aligning it with Windows. Updates include consistent participant layouts, video prioritization, new display controls, and admin settings. No action is required before rollout; communication to users is recommended.
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(Updated) Microsoft Teams: Emoji shortcuts expand to iOS and Android
MC1404321 | October 5 – Microsoft Teams is expanding desktop-style emoji shortcuts to iOS and Android, allowing users to insert emojis by typing keywords between colons (e.g., :smile:). The rollout begins mid-August 2026, enhancing mobile emoji input with no admin controls and requiring no user action.
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(Updated) Agents and Skills in CIQ
MC1479519 | October 5 – Users can now insert Agents and Skills directly into prompts via the Context IQ menu or by typing / or @, enhancing discovery and productivity. This feature rolls out worldwide from mid-September to late September 2026, requires no user action, and supports CIQ and Copilot experiences.
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(Updated) Outlook (new): Right-click to customize the classic ribbon
MC1485120 | October 5 – Users can now customize the classic ribbon in New Outlook for Windows and Outlook on the Web by right-clicking the ribbon on the Home or View tab, selecting Customize, and arranging commands and groups. Rollout began September 2026, completing by mid-November 2026. No action required.
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Microsoft Dataverse – Bulk generate prompt column values for existing records (backfill)
MC1488488 | October 5 – We are introducing bulk generation of prompt column values for existing Dataverse records. Now, you can have AI-generated values across existing data without requiring record updates to trigger execution. This feature will reach general availability on November 16, 2026.How does this affect me?When selected, this capability will run asynchronously as a background job and will consume Copilot or AIB credits. Users can monitor and manage the job and view its credit usage in…
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Dynamics 365 and Power Platform– Information about storage validation for Dataverse-only tenants
MC1483528 | October 5 – 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. When a tenant exceeds its entitled Database, File, or Log capacity, environment creation, copy, restore, and recover…
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