(Update)Microsoft Entra ID: General Availability of passkey profiles and migration for existing Passkeys (FIDO2) tenants

MC1221452 | October 30 – Starting March 2026, Microsoft Entra ID will GA passkey profiles and synced passkeys for tenants with Passkeys (FIDO2) enabled. Existing tenants will be auto-migrated to a default passkey profile with configurable passkeyType. Registration campaign settings and rollout timelines vary by cloud region.
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(Updated) Microsoft Teams: Meeting memory file generation

MC1429018 | October 30 – Microsoft Teams will generate AI meeting memory files starting January 2027 to enhance Copilot and Facilitator with context-aware insights. Files are stored securely in tenant-owned SharePoint, not user storage, with admin controls for enabling, retention, and compliance. Users cannot access files directly; data privacy is maintained.
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Microsoft Purview: Retirement of Data Security Posture Management (DSPM) classic and DSPM for AI classic experiences

MC1481315 | October 30 – Microsoft will retire Microsoft Purview DSPM classic and DSPM for AI classic experiences by late March 2027, unifying capabilities into a single current DSPM experience. Organizations using the classic versions must transition workflows and update documentation accordingly; no action is needed if already using the current DSPM.
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(Updated) Migrate Free/Busy, MailTips, and Calendar Sharing before EWS deprecation

MC1446796 | October 30 – 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 November 2026. Organizations must migrate to avoid service disruption; migration guidance and updates are provided.
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(Updated) Transitioning Teams Android Device Management from Teams admin Center to the Teams Rooms Pro Management portal

MC1227622 | October 29 – Teams Android device management is transitioning from the Teams admin center to the Teams Rooms Pro Management portal by July 2026 (public cloud) and late 2026 (GCC clouds). PMP will unify device management with enhanced features; TAC device management will be deprecated by January 2027. Admins should prepare accordingly.
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(Updated) Microsoft Purview | DLM: Legacy Teams retention policies that cover Copilot will be treated as Teams-only

MC1481313 | October 28 – Starting mid-January 2027, legacy Microsoft Teams retention policies will apply only to Teams data, excluding Microsoft 365 Copilot interactions. Organizations must create separate retention policies for Copilot to maintain compliance. Existing Teams retention behavior remains unchanged, but action is required to cover Copilot data.
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Microsoft SharePoint: SharePoint Server access through the mobile apps will be retired

MC1528013 | October 27 – SharePoint Server access via the standalone SharePoint mobile apps for iOS and Android will be retired starting November 27, 2026. These apps will support SharePoint Online only. Organizations should notify users and update documentation accordingly before this change.
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Microsoft 365 admin center: Retirement of selected Search Analytics capabilities

MC1528009 | October 27 – Selected Search Analytics capabilities for Microsoft/Bing, Teams, Outlook/WXP, Windows Search Work results, and Microsoft365.com will retire in late 2026. Summary, User/Query, and Answer Analytics in Microsoft 365 admin center will be removed, but search functions and other analytics remain unaffected. Administrators should review and export needed data.
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Microsoft Entra ID: Reminder to migrate from Microsoft-provided SMS and voice authentication

MC1528000 | October 27 – Microsoft Entra ID will retire Microsoft-provided SMS and voice authentication starting February 1, 2027. Organizations must migrate users to passkeys or other methods, or configure a customer-managed telecom provider before then to avoid sign-in disruptions. SMS and voice are vulnerable to attacks; passkeys are recommended.
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(Updated) Windows updates are available for 2026 time zone changes in Canada

MC1510951 | October 27 – Windows updates support 2026 time zone changes in Manitoba, Alberta, and British Columbia, effective November 1, 2026, when clocks won’t be set back. Install updates before then and select the new region-specific time zones to ensure correct local time on devices. Guidance for Outlook and Microsoft 365 is provided.
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Microsoft Purview | Data Lifecycle Management – Hard delete OneDrive and SharePoint files with priority cleanup workflow

MC1261587 | October 26 – Microsoft Purview introduces a priority cleanup workflow allowing admins to hard delete specific OneDrive and SharePoint content, even under retention or holds, with required eDiscovery approval. Rolling out mid-August 2026, it enhances data risk management and compliance without affecting user workflows unless configured by admins.
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(Updated) Retirement notice: MDE and XDR Advanced Hunting APIs retiring; migrate to Microsoft Graph Security API

MC1220762 | October 26 – Microsoft is retiring the Microsoft Defender for Endpoint and Defender XDR Advanced Hunting APIs by February 1, 2027. Organizations must manually migrate workflows to the Microsoft Graph Security API by January 31, 2027, to ensure continued functionality and improved security integration.
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Dynamics 365 and Power Platform– Information about storage validation for Dataverse-only tenants

MC1483528 | October 26 – 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…
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Dynamics 365 apps and Dataverse – Information about the 2026 time zone changes in Canada

MC1526697 | October 31 – Dynamics 365 apps and Dataverse are being updated to add the new Canadian time zone definitions in support of the 2026 time zone changes in Manitoba, Alberta, and British Columbia. This is a general awareness message to support the changes and complements MC1510951 — Windows updates are available for 2026 time zone changes in Canada. Rollout schedule The Dataverse update is being deployed through the regular release schedule and is scheduled to reach the Canada region…
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Power Apps – Information regarding the retirement for the Proactive control rename feature in canvas apps

MC1532426 | October 31 – On December 11, 2026, the Proactive control rename feature for canvas apps in Power Apps will be no longer available.How does this affect me?After December 11, 2026, makers and tenant administrators will no longer have access to Copilot (AI-powered assistant) suggestions for renaming similar controls or applying multiple suggested renames in canvas apps. Existing app control names and formulas will remain unchanged. Once this feature is…
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Power Apps – Formula assistance features in canvas apps are being retired

MC1532421 | October 31 – Starting on December 11, 2026, the Use Copilot to create and edit Power Fx formulas and Power Apps Ideas formula assistance features in Power Apps will be no longer available.How does this affect me?The affected features will no longer be available to makers who use them to generate or transform Power Fx formulas after December 11, 2026. This will not impact…
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(Updated) General Availability: Microsoft Entra passkeys on Windows

MC1282568 | October 30 – Microsoft Entra passkeys on Windows will be generally available from late April 2026, enabling passwordless, phishing-resistant sign-in on Windows devices without requiring explicit admin allow-listing. It supports corporate, personal, and shared devices, with control via Authentication Methods policies and Conditional Access. No action is needed unless blocking is desired.
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Microsoft Teams: Granular Conditional Access for Teams meetings

MC1532256 | October 30 – Granular Conditional Access for Teams meetings lets admins enforce targeted security controls like multifactor authentication for specific meetings. Rolling out from November 2026 (preview) to January 2027 (general availability), admins must configure authentication contexts, Conditional Access policies, and Teams meeting policies to enable this feature.
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Enhanced Copilot and AI controls for meetings

MC1532253 | October 30 – Microsoft Teams is replacing the Copilot meeting policy with two new policies—MeetingAI and TranscriptionWithMeetingAI—for clearer control over AI features and transcription in meetings. Organizers gain granular AI management options. Rollout begins mid-November 2026, with automatic migration of existing settings; no admin action required unless using automation.
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Activity in other accounts and orgs panel improvements

MC1532248 | October 30 – The ‘Activity in Other Accounts and Orgs’ panel in Teams will allow users to preview and open chats and channels from multiple accounts without tenant switching. Rolling out from November 2026 to February 2027, it enhances external collaboration with no security or compliance changes. No admin action required.
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Microsoft Teams: Pinch to zoom in on shared screens

MC1532242 | October 30 – Microsoft Teams will add pinch-to-zoom on shared screens using touchpads, enhancing visibility of small text and details. This feature rolls out worldwide in mid to late November 2026, enabled by default in all meetings. Organizations should update sharing policies and inform users; no compliance issues identified.
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Microsoft Defender XDR: Investigate suspicious Microsoft Teams calls and meetings with advanced hunting

MC1532241 | October 30 – Microsoft Defender XDR’s CallActivityEvents table enables security teams with Defender for Office 365 Plan 2 to investigate suspicious Microsoft Teams calls and meetings by analyzing activities, initiators, organizers, and related messages. Available worldwide from November 2026, it integrates with advanced hunting, event streaming API, and Microsoft Sentinel for enhanced threat detection.
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(Updated) Microsoft Purview: Data Loss Prevention and auto-labeling support for non-Microsoft applications

MC1449180 | October 30 – Microsoft Purview will support Data Loss Prevention and auto-labeling for non-Microsoft apps like Google Workspace, Box, and Salesforce via Microsoft Defender for Cloud Apps connectors. Administrators can create and manage policies starting late December 2026, expanding compliance controls and requiring Enterprise tier licensing.
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Power Apps – Information regarding the end of support for record-level copresence in model-driven apps

MC1532182 | October 30 – On November 30, 2026, record-level copresence in model-driven apps will have reached end of support. How does this affect me? Users will no longer see who else is working on the record or have access to a presence card. This change does not affect record sharing, user pictures, or status in grids and lookups. The underlying behavior when multiple users edit the same record hasn’t changed: if two users save changes to the same record, the most recent save still…
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(Updated) Microsoft Edge: Microsoft 365 Copilot will support summarization and contextual grounding

MC1187682 | October 30 – Microsoft Edge for Business now supports Microsoft 365 Copilot Chat to summarize and provide context from multiple open tabs and YouTube videos. The feature is off by default, respects existing Data Loss Prevention (DLP) policies, requires Entra ID sign-in, and is managed via Edge and DLP policies.
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(Updated) Microsoft Entra: Choose your own telephony provider now generally available

MC1519855 | October 30 – Microsoft Entra ID now generally supports Choose Your Own Telephony Provider (CYOT) for SMS and voice authentication, retiring Microsoft-provided services by February 1, 2027. Organizations must select a provider, set up CYOT, and transition before that date, while Microsoft recommends phishing-resistant methods like passkeys.
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Microsoft Copilot Studio – Evaluation Viewer role

MC1532073 | October 30 – We are announcing the Evaluation Viewer role for Microsoft Copilot Studio. This feature reached general availability on October 15, 2026. How does this affect me? The Evaluation Viewer role enables users to review evaluation results and related information without requiring broader agent authoring permissions. You can separate agent authoring responsibilities from evaluation and quality review activities. The role allows quality, operations, and other designated…
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Copilot Studio – Agent status evaluation warnings announcement

MC1532071 | October 30 – Agent status evaluation warnings are now generally available in Copilot Studio as of October 15, 2026.How does this affect me?Makers will automatically see warnings in the Review panel when an agent has never been evaluated, or if its model has changed since the most recent evaluation. These warnings help makers decide when to reevaluate an agent before continuing development or deployment. They do not block publishing.What action do I need to take?No admin…
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Copilot Studio – Custom Graders Library and Ready-to-Use Microsoft Graders

MC1531932 | October 30 – We are announcing the ability to create, save, manager, discover, and reuse custom grades from a central library in Copilot Studio. This feature will reach general availability on November 15, 2026. How does this affect me?This feature enables you to standardize how agent quality is measured by building and reusing a shared set of evaluation criteria across agents and test sets. Makers can create custom graders or utilize out-of-the-box graders provided by Microsoft. This…
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Copilot Studio – Generated custom grader

MC1531924 | October 30 – We are announcing the ability to generate a custom grader in Copilot Studio. This feature reached general availability on October 15, 2026. How does this affect me? This feature enables you to create a custom grader tailored to a specific agent and evaluation scenario. This makes it easier to expand evaluation coverage across different agents and business scenarios. Generated graders reduce setup effort while still allowing makers to review and adapt the grader…
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(Updated) Microsoft 365 Copilot: Schedule prompts in Agent Builder

MC1302906 | October 30 – Microsoft 365 Copilot’s Agent Builder will enable users to create scheduled workflows that run prompts automatically on hourly, daily, weekly, monthly, or yearly cadences. This feature, rolling out mid-November to mid-December 2026, is user-specific, enabled by default, and requires no admin action.
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Copilot Studio – Evaluation for automation flows

MC1531903 | October 30 – We are announcing evaluation for automation flows in Copilot Studio. This feature reached general availability on October 15, 2026.How does this affect me?This feature enables you to evaluate automation quality with the same structured approach used for agent evaluations, reducing reliance on manual testing and trace inspection. This improves confidence in AI-driven automation and makes it easier to detect quality issues before they affect production scenarios.What…
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Interim guidance for Cuba’s 2026 daylight saving time change

MC1531085 | October 30 – What and whyOn October 27, 2026, the government of the Republic of Cuba announced that the country will remain on daylight saving time instead of ending it as scheduled on November 1, 2026. Clocks will not be set back one hour at 2:00 a.m. on November 1. Cuba will remain at UTC-04:00 without interruption until November 7, 2027.Microsoft plans to release an update to support this time zone change as part of the November 2026 security update. Until…
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An updated version of the October 2026 Scan Cab is available

MC1531060 | October 30 – IMPORTANT: This notice is only relevant for environments where:Visual Studio 2026, Visual Studio 2022, Visual Studio 2019, or Visual Studio 2017 is installed.Excel 2016 is installed.Scan Cab is used to check for update complianceThe October 2026 Scan Cab was deployed before 7:00 PM PDT on October 29, 2026.What and why:An updated version of the October 2026 Scan Cab was made available at 7:00…
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Microsoft 365 Copilot Chat: View memory sources used to personalize responses

MC1530959 | October 29 – Microsoft 365 Copilot Chat will show users which memories and past chats influenced personalized responses, with inline citations linking to sources. This feature requires a Premium license, rolls out in late October 2026, respects memory settings, and allows users to review or delete saved memories. No action is needed.
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Microsoft Teams: Threads will become the default layout for new channels created with Microsoft Graph

MC1530957 | October 29 – Starting late November 2026, new Microsoft Teams channels created via Microsoft Graph without a specified layoutType will default to the Threads layout (“chat”). Existing channels remain unchanged. Organizations should update automation to specify “post” if Posts layout is required or test workflows for compatibility with Threads.
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(Updated) Viva Engage: Community feeds improvements

MC1187781 | October 29 – Viva Engage communities will default to viewing conversations by recent posts instead of recent activity, with unread indicators in both “new” and “all” feeds. This change, rolling out November 2026, offers a sticky user preference for feed and sort order, improving content browsing without requiring action.
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Microsoft 365 apps: Draft mode for official Brand Kits

MC1530954 | October 29 – Draft Mode for official Brand Kits in Microsoft 365 apps allows Brand Managers to create and review changes without affecting the live kit until published. It rolls out worldwide from late October to early November 2026. No action is required, but informing Brand Managers is recommended.
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Microsoft PowerPoint: Assess templates for use with Copilot in Brand Kits

MC1530951 | October 29 – Microsoft PowerPoint’s new Template Assessment in Brand Kits helps Brand Managers evaluate and improve templates for better Copilot compatibility, requiring a Microsoft 365 Copilot (Premium) license. It rolls out worldwide from mid to late October 2026. No action needed; organizations should inform Brand Managers.
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Microsoft Teams: Explicit consent for PSTN participants in one-to-one calls

MC1530950 | October 29 – Microsoft Teams will require explicit consent via phone keypad for PSTN participants in one-to-one calls when recording or transcription starts, beginning early December 2026. Participants can consent or decline; those who decline remain muted. This uses existing calling policies with no new settings introduced.
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Microsoft Purview | Information Protection: Auto-labeling support for legacy Microsoft Office file formats

MC1530948 | October 29 – Microsoft Purview auto-labeling will support legacy Office files (.doc, .xls, .ppt) in SharePoint and OneDrive starting November 2026. Existing policies need a minor edit and rerun to include these formats. New policies support them automatically. This affects organizations using Purview auto-labeling for these platforms.
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(Updated) Microsoft Authenticator: Usability improvements for iOS and Android

MC1521604 | October 29 – Microsoft Authenticator for iOS and Android will receive usability updates starting November 2026, including a refreshed home experience, clearer account restoration guidance, improved sign-in flows, and platform-specific prompts. Android improvements for restoration and battery optimization prompts will follow in January 2027. No action required.
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(Updated) Microsoft Teams: Initiate side conversations within the meeting chat window

MC1523090 | October 29 – Microsoft Teams will allow users to start one-to-one or small-group side conversations within the meeting chat window starting early December 2026. This feature keeps chats in context without leaving the meeting, preserves chat history, requires no admin action, and has no identified compliance issues.
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Copilot Studio – Tool accuracy grader

MC1530748 | October 29 – We are announcing the tool accuracy grader in Copilot Studio. This feature reached general availability on October 15, 2026.How does this affect me?This feature enables you to evaluate whether your agents selected the correct tools or actions and used them with the expected inputs for a given user request. This helps you to identify execution issues earlier, reduce manual trace inspection, and increase confidence that agents are performing actions correctly and…
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Copilot Studio – Task completion grader

MC1530742 | October 29 – We are announcing the task completion grader in Copilot Studio. This feature reached general availability on October 15, 2026.How does this affect me?This feature enables you to evaluate whether your agents successfully accomplish their intended tasks, beyond simply generating a relevant or high-quality response. This helps you to identify functional failures, improve agent reliability, and gain greater confidence that agents are delivering the expected business…
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Power Apps – Information regarding the end of availability for copresence in Plan Designer

MC1530697 | October 29 – Starting November 30, 2026, copresence in Plan Designer will no longer be available.How does this affect me?Multiple users can still open the same plan, but Plan Designer will no longer allow simultaneous edits. If multiple users make changes to the same plan, one user’s changes may overwrite another user’s unsaved changes.What action do I need to take?Please coordinate with other users who edit plans to communicate when saving changes and handing…
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Microsoft Teams: Report guest invitations for security concerns

MC1530615 | October 29 – Microsoft Teams will let users report suspicious guest invitations for security concerns starting November 2026. Reports go to IT admins via the Teams admin center and Microsoft. No action is needed if “Report a security concern” is already enabled in messaging policies, which control this feature.
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Microsoft Teams: Impersonation protection for Teams meetings

MC1530613 | October 29 – Microsoft Teams will roll out impersonation protection for meetings in December 2026, displaying warnings and risk indicators to help users identify deceptive participants. No admin action is needed, but admins should inform users and security teams. This feature enhances security by highlighting potential impersonation attempts.
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(Updated) New Outlook for Windows: All Accounts view brings email into a single inbox view

MC1519843 | October 29 – The new Outlook for Windows introduces an All Accounts view, allowing users to see and manage emails from multiple accounts in a single inbox without merging mailboxes. It supports AI-assisted workflows with Copilot. Rollout began in September 2026, completing by November. No admin action is currently needed.
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Microsoft 365 admin center: Pin Microsoft Copilot app setting for users with a paid Microsoft 365 Copilot license

MC1530612 | October 29 – Microsoft 365 admin center updates the Copilot taskbar pinning setting to allow pinning only for users with a paid Copilot license, removing the default “Do not pin” selection. Rollout starts December 2026. Admins must have Microsoft Entra group creation permissions to use the new option.
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Office in Copilot brings the full power of Office into the Microsoft Copilot app

MC1530611 | October 29 – Office in Copilot integrates Word, Excel, and PowerPoint into the Microsoft Copilot app, enabling users to create, edit, and collaborate on files without leaving the app. Rolling out worldwide in mid-November 2026, it requires no admin action but is managed via existing Copilot policies and Entra ID controls.
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SharePoint Lists: Refreshed user experience

MC1530610 | October 29 – Microsoft is updating SharePoint Lists with a refreshed user experience to simplify actions, improve navigation, and enhance visibility of views and filters. The rollout starts mid-December 2026. No action is needed, but organizations using custom command bar formatters should review changes. No compliance issues identified.
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Power Platform – Information about the 2026 time zone changes in Canada

MC1526712 | October 29 – What and why Power Platform services are being updated to support the 2026 time zone changes in Manitoba, Alberta, and British Columbia. This is a general awareness message to support the changes and complements MC1510951 — Windows updates are available for 2026 time zone changes in Canada. Rollout schedule Updates will be delivered by service to support the November 1, 2026, time zone transition. Availability will vary by service. Power…
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Engage plugin for Copilot Cowork and Autopilot: General availability

MC1530609 | October 29 – The Engage plugin for Copilot Cowork and Autopilot will be generally available worldwide by mid-November 2026. It integrates Engage conversations into Copilot workflows, enabling users to access, summarize, and interact with community content without switching apps. The plugin is off by default and controlled by administrators.
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Microsoft Copilot Feedback UX update

MC1530595 | October 29 – Microsoft Copilot is updating the thumbs-down feedback to include selectable issue categories and optional comments for more actionable input. Rolling out worldwide in late October 2026, it applies to organizational, consumer, and education accounts on supported platforms, with no admin action required. New data is collected with feedback.
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(Updated) Microsoft Teams: External presenter support for event group chat

MC1528011 | October 29 – Microsoft Teams will support external presenters in event group chat starting early December 2026, enabling cross-tenant coordination during events with the “Enable Green room” option. External user collaboration must be enabled, allowing external presenters to read and post messages while maintaining compliance with existing data handling policies.
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Policy-based in-box app removal extended to multi-session environments

MC1530443 | October 29 – What and why:Policy-based app removal now supports multi-session environments. Use it to manage the removal of supported in-box apps on devices running Windows 11 Enterprise and Education, version 24H2 and later. This capability applies to preinstalled Microsoft Store apps and other MSIX/APPX-packaged apps.Rollout schedule:October 2025: The policy “Remove default Microsoft Store packages from the…
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Microsoft Entra ID: Risk-based anti-bot verification (CAPTCHA) for SMS and voice authentication

MC1518029 | October 29 – Microsoft Entra ID is adding risk-based CAPTCHA verification for SMS and voice first-factor sign-ins to reduce automated abuse. Rollout began mid-October 2026. Some users may encounter this step based on behavior. Organizations should prepare help desks, review network requirements, and encourage phishing-resistant methods like passkeys.
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Microsoft Copilot Studio cost controls are expanding to Cost Management in the Microsoft 365 admin center

MC1530368 | October 29 – We are announcing the ability to use the expanded cost controls for Cost Management for Copilot Studio into the Microsoft 365 admin center in Power Platform. This feature will reach general availability by November 20, 2026. How does this affect me? This update gives administrators a centralized way to manage Copilot Credit spending across supported usage-based AI workloads while retaining broader Copilot Studio administration in the Power Platform admin center. This…
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Updates available for Microsoft 365 Apps for Current Channel

MC1529501 | October 28 – We’ve released updates to the following update channel for Microsoft 365 Apps: Current Channel
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(Updated) Microsoft Defender for Office 365: New email submissions data in Advanced Hunting

MC1484009 | October 28 – Microsoft Defender for Office 365 will add two new Advanced Hunting tables—SubmissionEvents and SubmissionResults—providing enhanced visibility into email submission activity. Public Preview starts mid-November 2026; General Availability begins late November 2026. No immediate action or compliance concerns are required.
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(Updated) Microsoft Copilot: SpaceXAI subprocessor admin setting

MC1474124 | October 28 – Starting September 18, 2026, eligible Frontier customers can enable the SpaceXAI admin setting in Microsoft 365 to access Grok 4.6 models in Word, Excel, and PowerPoint via usage-based billing. The setting is disabled by default and not available to EU, UK, or government cloud tenants.
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Microsoft PowerPoint: Summarize sales for leaders Copilot skill

MC1529481 | October 28 – Microsoft PowerPoint will introduce a new Copilot skill, “Summarize sales for leaders,” by early November 2026, enabling users to quickly create executive sales summary presentations focused on performance, outlook, risks, and decisions. No admin action or changes to data handling are required.
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Microsoft PowerPoint: Prepare customer review deck Copilot skill

MC1529480 | October 28 – A new Copilot skill in PowerPoint will help users create customer review decks focused on business goals and outcomes. Rolling out worldwide from late October to early November 2026, it requires no admin action and does not change data handling or introduce new AI interactions.
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Microsoft PowerPoint: Draft proposal response Copilot skill

MC1529476 | October 28 – Microsoft PowerPoint is introducing a new Copilot skill, Draft proposal response, to help users create customer-specific proposal drafts. It will roll out worldwide from late October to early November 2026 on Windows, Mac, and web. No admin action is needed, and it does not change data handling or AI interaction methods.
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Microsoft PowerPoint: Review sales pipeline Copilot skill

MC1529477 | October 28 – Microsoft PowerPoint will introduce a new Copilot skill, Review sales pipeline, by early November 2026. It helps users create or update pipeline and forecast presentations focused on opportunity movement, risks, and next actions. No admin action is needed, and it does not change data handling or AI interaction methods.
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Frontier expands to include public previews in Microsoft Teams, new Outlook for Windows, OneDrive, and SharePoint

MC1529472 | October 28 – Starting November 2026, Microsoft Frontier expands to offer public preview features in Teams, new Outlook for Windows, OneDrive, and SharePoint, alongside Copilot. Admins manage enrollment centrally, choosing users for early access, while others remain on Standard or Deferred release schedules. Frontier simplifies preview management and preparation.
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Microsoft Windows: Updates to address compromised eMudhra certificate authority keys

MC1529467 | October 28 – Microsoft is updating Windows, Edge, and WebView2 to block eight compromised eMudhra certificate authority keys by late October 2026. Organizations must allow automatic updates, manage disconnected devices, and replace certificates chaining to these keys to maintain trust and security.
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Copilot Code is rolling out in Frontier

MC1519871 | October 28 – 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 365 admin center: Usage reports to manage metered consumption costs for Microsoft 365 Copilot Chat (preview)

MC1069563 | October 28 – Microsoft 365 admin center introduces a preview usage report for managing metered costs of Microsoft 365 Copilot Chat pay-as-you-go billing. It shows message consumption by tenant, user, and agent, with alerts for over 2000 messages. Rollout starts end of April 2027, no admin action needed.
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Microsoft Purview | Endpoint Data Loss Prevention – Ability to protect files stored in the excluded folders in Windows

MC1384420 | October 28 – Microsoft Purview Endpoint DLP will protect sensitive files in previously excluded Windows folders (e.g., AppData) during egress actions starting late February 2027. Admins must update policies, deploy anti-malware client 4.18.26051+, and educate users. Audit mode logs actions; block mode enforces restrictions.
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The October 2026 Windows non-security preview update is now available

MC1529014 | October 28 – The October 2026 non-security preview update is now available for Windows 11, versions 26H2, 26H1, and 25H2. Information about the contents of this update is available in 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 Viva: Targeted audience surveys in the Copilot dashboard

MC1446805 | October 28 – 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 based on dashboard data. The feature, enabled by default for eligible organizations, rolls out from mid-August to mid-December 2026, with admin controls available.
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(Updated) Microsoft Entra: Prepare for Microsoft to disable unused or unsuccessful SMS first-factor sign-in

MC1465763 | October 28 – Microsoft will disable SMS first-factor sign-in in Microsoft Entra tenants with no successful or only unsuccessful SMS sign-ins in the past 30 days, starting mid-September to November 2026. SMS for MFA and password reset remains unaffected. Admins should review usage, notify users, and ensure alternate sign-in methods.
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(Updated) Microsoft Teams: Analytics for desk utilization in Teams Pro Management portal

MC1490906 | October 28 – Microsoft Teams Pro Management portal will add desk utilization analytics, showing usage, reservations, occupancy, and peak patterns. Requires desks with peripheral devices and Teams Shared Space licenses. Rollout starts early December 2026, completing by mid-January 2027, aiding workplace space planning without compliance issues.
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Power Pages – Power Pages version 9.8.10.12 Early Upgrade Release

MC1528970 | October 28 – Maintenance window start: October 31, 2026, at 6:00 PM UTC Maintenance window end: November 1, 2026, at 3:00 AM UTC This is the early upgrade deployment of Power Pages version 9.8.10.12 for Microsoft Dynamics 365. This deployment includes an updated website host and no solution update. This release contains fixes for issues reported by customers as well as performance and security updates. Release notes for this release can be viewed…
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Dynamics 365 Contact Center – Boost contact center efficiency with Real Time Streaming Analytics

MC1528937 | October 28 – We are introducing Real-Time Streaming Analytics in the new Contact Center supervisor workspace application, providing supervisors with near real-time visibility into Dynamics 365 Contact Center performance without requiring dashboard refreshes. This feature will be generally available starting Oct 30th with a phased rollout across all regions through November 9, 2026.How does this affect me?This feature enables supervisors to monitor contact center performance and take…
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Microsoft Viva: New Campaigns hub in Viva Engage app and Viva Engage in Teams mobile

MC1528030 | October 27 – Microsoft Viva Engage mobile and Teams mobile now feature a centralized Campaigns hub for discovering, browsing, and following organizational campaigns. Rolling out worldwide from October to December 2026, it enhances engagement for Viva Suite-licensed users without requiring web access. No action is needed.
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Microsoft Teams: Two presenters can share their screens or windows simultaneously in meetings

MC1528014 | October 27 – Microsoft Teams will allow two presenters to share screens simultaneously in meetings starting late November 2026. This feature enhances collaboration by displaying both shared contents at once. Tenant admins can control this setting, and meeting organizers can enable or disable it per meeting. No compliance issues identified.
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Join button will require HTTPS meeting links

MC1528007 | October 27 – Starting late November 2026, Outlook’s Join button will only appear for meetings with HTTPS join URLs. Meetings with HTTP-only URLs will not show the button. Organizations should ensure their meeting providers and integrations generate HTTPS links to avoid impact. No action is needed if HTTPS URLs are already used.
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Microsoft Authenticator: Improved backup and restore experience for Android

MC1528006 | October 27 – Microsoft Authenticator for Android will improve backup and restore with clearer setup guidance and support for passkeys starting mid-January 2027. Users must enable Google One backup and screen lock. Work/school accounts aren’t backed up, and backup works only in the Android personal profile. No admin action needed.
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Microsoft Excel: Edit with Copilot in Excel on iPhone

MC1528003 | October 27 – Edit with Copilot in Excel on iPhone enables natural language editing and task continuation outside the app. Rolling out worldwide from late October to November 2026, it enhances mobile Excel use with secure Microsoft 365 integration, allowing quick data insights, edits, and formula updates without compliance concerns.
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(Updated) Microsoft Entra: Windows Hello for Business and macOS Platform SSO as standalone MFA factors

MC1450134 | October 27 – Microsoft Entra will recognize Windows Hello for Business and macOS Platform SSO as standalone MFA factors starting early November 2026, allowing users to satisfy MFA without additional passkeys. No configuration changes are needed, but organizations should update onboarding and MFA registration guidance accordingly.
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The November and December 2026 security updates require a restart for hotpatch-enabled Windows Server 2022 devices

MC1527979 | October 27 – What and whyThe November and December 2026 security updates for Windows Server 2022 will be released as standard updates rather than hotpatch updates. Some of the security improvements in these updates change components that cannot be updated without a restart. As a result, Windows Server 2022 devices enrolled in hotpatching will need to restart to complete installation in each month.This change does not affect hotpatch updates for Windows Server…
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(Updated) OneDrive for Business: Improved Windows Desktop sync error messages for max path length

MC1422063 | October 27 – OneDrive for Business will improve Windows desktop sync error messages for paths exceeding the 520-character limit, guiding users to rename or move items without stopping sync. This update, rolling out January 2027, aims to reduce confusion and support tickets with no admin action required.
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An updated version of the October 2026 Scan Cab is available

MC1525374 | October 27 – IMPORTANT: This notice applies only to environments where:.NET 8.0, 9.0, 10.0, or 11.0 RC3 is installed.Visual Studio 2019, 2022, or 2026 is installed.PowerShell 7.4 or 7.6 is installed.Scan Cab is used to assess update compliance.The October 2026 Scan Cab was deployed before 7:00 PM PDT on October 25, 2026.What and why:An updated version of the October 2026 Scan Cab was made available…
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(Updated) Microsoft 365 Copilot: Use Microsoft Agent 365 agents as connected agents in declarative agents

MC1478975 | October 27 – Microsoft 365 now supports Microsoft Agent 365 agents using the Agent2Agent protocol as connected agents in declarative agents, expanding integration options. Administrators manage and approve these agents via the Microsoft 365 admin center. This update enables new AI interactions and requires review of data compliance and governance.
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Microsoft Dataverse – Custom connector definition access update

MC1527468 | October 27 – Beginning October 15, 2026, users assigned the Dataverse Basic User security role lose access to custom connector definitions they do not own or that have not been explicitly shared with them. How does this affect me? Users who rely on this access may no longer be able to view the affected connector definitions. This update makes no change to connector functionality. What action do I need to take? If users require continued access to custom…
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New MSRC blog: Microsoft’s response to compromised eMudhra certificate authority keys

MC1526780 | October 27 – Microsoft has published a new blog post outlining our response to the compromise of eMudhra intermediate certificate authority keys, including changes to the Windows and Microsoft Edge trust lists. The Windows out-of-band updates are now available in the Microsoft Update Catalog. Administrators managing disconnected devices, or devices that don’t receive automatic certificate trust updates, can find more context and recommended steps in View more

Microsoft Teams Default meeting template

MC1526679 | October 26 – Default meeting templates let IT admins set organization-wide meeting options for Teams meetings scheduled via Outlook or Teams calendar, ensuring consistency and protection. Rolling out worldwide in November 2026, only Teams Premium licensed organizers can use them. Admins create and assign templates; some meeting types are excluded.
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Microsoft 365 admin center: Manage authoritative sources for Microsoft 365 Copilot Search

MC1526676 | October 26 – Admins with Global admin or reader roles can manage up to 100 authoritative SharePoint Online sites in Microsoft 365 Copilot Search via the admin center, enhancing search relevance. This AI-driven feature rolls out worldwide in late September 2026 and includes centralized governance and bulk import/export capabilities.
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Change Optics Report

MC1526668 | October 26 – The Change Optics report for Exchange Online is now generally available worldwide, helping admins identify email traffic affected by upcoming service changes. Accessible in the Exchange Admin Center, it highlights onmicrosoft.com external traffic and Direct Send traffic to aid investigation and remediation. No action required.
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(Updated) Microsoft Copilot for Outlook: New Copilot entry point in Classic Outlook

MC1441784 | October 26 – Microsoft is updating the Copilot entry point in Classic Outlook to a new location next to the ribbon, offering easier access and AI-powered contextual recommendations. The rollout begins mid-November 2026 worldwide, with no changes to licensing or admin settings. No action is required, but user communication is recommended.
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(Updated) Outlook: Change the organizer of meetings

MC1472028 | October 26 – Microsoft is enabling Outlook users to transfer meeting organizer roles within their organization, improving meeting continuity during role changes or leave. The rollout begins November 2026 for non-online meetings, with phased support for Teams meetings and artifacts. The feature requires acceptance by the new organizer and preserves meeting content.
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Microsoft 365 Apps: Cloud Update – Export Improvements

MC1526661 | October 26 – Microsoft 365 Apps Cloud Update will enhance export capabilities in Inventory and Cloud Update views, adding more device and update details, filtered exports, and new columns like Cloud Update Status. Rollout starts November 2026. No action or compliance changes are needed.
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AI Builder credits retirement: Prepare to use Copilot Credits

MC1526652 | October 26 – Microsoft is retiring AI Builder credits by November 1, 2026, replacing them with Copilot Credits. Organizations must plan and purchase Copilot Credits before AI Builder credits expire to avoid service interruptions. AI Builder features continue, but licensing and credit management require admin action.
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Microsoft Teams: Malicious QR code detection in messages

MC1526651 | October 26 – Microsoft Teams will detect malicious QR codes in messages, providing warnings for phishing or fraud threats starting November 2026. This applies to chats and channels, with QR code blurring for external senders. The feature is enabled by default via Malicious URL protection, requiring no admin action.
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(Updated) Audio Overview Updates

MC1492959 | October 26 – Microsoft is enhancing Audio Overview with topic-based episodes for easier navigation, support for more content types (OneNote, Loop, emails, Teams chats/meetings, .txt files), and sensitivity label inheritance when saving to OneDrive. The update rolls out globally from early to late November 2026 with no admin action needed.
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(Updated) Microsoft Defender for Office 365: New MessageContents table in Advanced Hunting for Microsoft Teams messages

MC1474106 | October 26 – Microsoft Defender for Office 365 introduces a new MessageContents table in Advanced Hunting for Teams messages, enabling authorized security analysts to query message snippets and metadata for threat investigations. Rollout is from late September to mid-November 2026. Access requires specific permissions and may impact security procedures.
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(Updated) Microsoft Teams: QR code protection for messages from external users

MC1470410 | October 26 – 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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Microsoft Entra: Users can register a passkey or passwordless sign-in as their first multifactor authentication method

MC1450133 | October 26 – Microsoft Entra will allow users to register passkeys or passwordless sign-in as their first multifactor authentication method, removing the prior requirement to set up alternate MFA methods first. The phased rollout begins November 2026, aiming to simplify strong authentication adoption and reduce registration friction.
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Update to MC1510951: Canada 2026 time zone changes — Microsoft 365 impact and required admin actions

MC1526468 | October 26 – On November 1, 2026, certain Canadian regions will not change clocks, affecting Microsoft 365 scheduling. Admins must update Windows, Outlook time zones, review meetings, update Teams Rooms, and keep apps current. Testing and support case submission with #Canada Time-Zone are advised.
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(Updated) Microsoft Purview: permissions audit log improvements

MC1473155 | October 26 – Microsoft Purview is enhancing audit logging for role-based access control, adding two new audit operations to improve transparency and troubleshooting of access checks. This update, rolling out worldwide from late September to October 2026, requires no action and provides administrators better visibility into access evaluations.
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(Updated) Outlook: Reply With a Template in Rules

MC1505607 | October 26 – New Outlook for Windows and Outlook on the web will let users create inbox rules to auto-reply with saved templates, automating repetitive responses. Rollout starts mid-October 2026 (Targeted Release) and completes by late December 2026 (General Availability). No admin action is required before rollout.
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(Updated) Enhanced M365 Copilot Memory – Copilot is now personalized with work data

MC1492154 | October 26 – M365 Copilot now uses Microsoft 365 data to provide personalized work responses, rolling out worldwide from early October to November 2026. Users can disable this via settings, and admins can control it with enhancedPersonalizationSetting. No admin action or compliance issues are required.
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(Updated) Microsoft 365 Copilot for Teams: Bilingual consecutive interpretation mode with Interpreter agent

MC1239927 | October 26 – Microsoft 365 Copilot for Teams introduces a new Consecutive Interpretation mode, enabling structured, turn-by-turn multilingual meetings. Rolling out from May to December 2026, it requires a Copilot license, needs no admin setup, and enhances interactive discussions without changing existing Interpreter features.
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