Message center announcements
May 4, 2026 – May 10, 2026
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Updates to SharePoint home sites
MC1304293 | May 8 – SharePoint home sites are being updated with simplified setup, new Resources and Announcements web parts, and enhanced customization for the renamed Viva Connections app, now called the SharePoint app in Teams. Rollout begins May 2026, with no changes to existing branding or data permissions. View more
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2026 Microsoft 365 Packaging Update
MC1304290 | May 8 – Starting mid-June 2026, Microsoft 365, Office 365, and EMS suites will receive enhanced security features like Microsoft Defender Plan 1, URL time-of-click protection, Intune improvements, and +50GB Exchange Online storage. Rollout completes by August 1, 2026, with new alerts and policy controls for admins. View more
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(Updated) Microsoft Purview: Data Lifecycle Management – Retention support Microsoft Teams call logs
MC1261586 | May 8 – Microsoft Purview Data Lifecycle Management will support retention and deletion policies for Microsoft Teams call logs starting late April 2026. Compliance admins can manage Teams call logs to meet regulatory requirements, with no impact on user calling experience. Organizations should review and update retention policies accordingly. View more
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(Updated) Microsoft Teams: Chat with anyone with an email address
MC1182004 | May 8 – The feature allowing Teams users to chat with anyone via email without requiring recipients to have a Teams account was planned but is not being released at this time. It was available in targeted preview for small and medium businesses but is now paused, with no general availability announced. View more
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(Updated) Retirement of SharePoint One-Time Passcode (SPO OTP) and transition to Microsoft Entra B2B
MC1243549 | May 7 – SharePoint One-Time Passcode (SPO OTP) authentication will retire by August 31, 2026, transitioning external sharing and authentication in OneDrive and SharePoint to Microsoft Entra B2B starting May 2026. External users must have Entra B2B guest accounts for access, enabling unified guest management and Conditional Access enforcement. View more
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Microsoft Purview: Data Security Investigations – Introducing optical character recognition (OCR) support
MC1301831 | May 5 – Microsoft Purview Data Security Investigations will add OCR support by mid-2026, enabling automatic text extraction from images to enhance detection of sensitive information. This feature is enabled by default, requires no workflow changes, and improves investigation accuracy while respecting existing policies. No action is needed before rollout. View more
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Upgrade to Windows Server 2025, now via Windows Update
MC1301827 | May 5 – Windows Update can be used to perform an in-place upgrade of Windows Server without installation media. This Windows Server feature update can help move Windows Server 2022 or Windows Server 2019 installations to Windows Server 2025,following the same process used to download monthly updates through Windows Update.Upgrading helps keep your servers secure, supported, and able to use the latest features and performance improvements. Plan your installation and… View more
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(Updated) Viva Engage digest updates: Improvements to weekly
MC1269207 | May 4 – Viva Engage is updating weekly digest emails to include catch-up content and will skip daily digests on the same day. Changes roll out worldwide from early to late May 2026. No admin action is needed; users manage subscriptions as before. Notify users and update documentation if needed. View more
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(Updated) Microsoft Defender for Office 365: Enhancing how we handle promotional mail
MC1279093 | May 4 – Microsoft Defender for Office 365 will tag promotional emails as “promotions” and can auto-move them to a Promotions folder, learning from user actions. Public preview starts mid-April 2026; general availability begins July 2026. Admins can configure settings, and users can train the system by moving messages. View more
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(Updated) Microsoft Teams: Enhanced cross-platform join via Session Initiation Protocol (SIP) for Teams Rooms on Android
MC1294522 | May 4 – Microsoft Teams Rooms on Android will support joining third-party meetings via SIP starting early June 2026, completing by mid-August. This feature, off by default, requires Teams Rooms Pro licensing and device setup. Organizations should prepare by testing, educating users, and updating documentation. View more
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Microsoft Purview Insider Risk Management: View AI interaction messages for anonymized users
MC1304292 | May 8 – Microsoft Purview Insider Risk Management will let analysts view AI prompt and response messages linked to insider risk indicators, even with user anonymization enabled. This enhances investigation context while maintaining privacy, role-based access, and audit controls. Rollout begins May 2026 with no user impact or required action. View more
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Microsoft Purview: Data loss prevention inline controls for prompts in Microsoft Foundry apps and agents
MC1304291 | May 8 – Microsoft Purview will enable inline data loss prevention (DLP) for prompts in Microsoft Foundry apps and agents starting mid-2026. Admins can configure DLP policies to detect and block sensitive data in AI prompts, enhancing data security and compliance with pay-as-you-go licensing and existing Purview workflows. View more
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Lock-free coauthoring in Microsoft Word
MC1304289 | May 8 – Lock-free coauthoring in Microsoft Word allows multiple users to edit the same paragraph simultaneously, enhancing real-time collaboration. It will roll out globally from mid-May to early June 2026, enabling the feature by default without admin action. Older versions fallback to existing coauthoring; no changes to permissions or storage. View more
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Microsoft Exchange Online: Upcoming secure-by-default changes for Exchange APIs
MC1304287 | May 8 – Starting June 2026, Microsoft will update the default user consent policy for Microsoft Graph to require admin consent for additional Exchange-related permissions. Users cannot grant consent for these unless apps are approved in the Mail client policy. Existing consents and custom policies remain unaffected. View more
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(Updated) Microsoft 365 admin center – Usage reports: Agent usage (preview)
MC1148545 | May 8 – A new preview usage report for Microsoft 365 Copilot Chat agents is available in the Microsoft 365 admin center, showing active users, agents, usage details, and segmentation by license and creator type. It covers the last 30 days and excludes data before August 19, 2025. General availability starts end of July 2026. View more
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Microsoft Power Automate – Compare flow versions
MC1303745 | May 8 – We are announcing the ability to compare flow versions in Microsoft Power Automate. This feature will reach general availability on May 15, 2026.How does this affect me?Users will be able to view two versions of a desktop flow side by side to identify changes. The comparison will highlight added, modified, and deleted actions with color indicators. Users will also see differences in variables, UI elements, images, and can expand steps to review detailed modifications. This… View more
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Microsoft Entra: Upcoming changes to federatedTokenValidationPolicy default settings
MC1303719 | May 7 – Microsoft Entra will enforce stricter federatedTokenValidationPolicy by default starting mid-August 2026, blocking federated sign-ins when internalDomainFederation doesn’t match the user’s UPN domain. This affects tenants with federated domains configured before December 2025 and aims to enhance security against cross-domain sign-in risks. View more
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Default compose font: Administrators can allow users to change the default font in Outlook for iOS and Android
MC1303717 | May 7 – Starting June 2026, administrators can use new Intune app configuration keys to allow or block users from changing the default compose font name and size in Outlook for iOS and Android. By default, user changes remain blocked unless explicitly enabled by administrators. View more
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SharePoint News web part: New Filmstrip layout and multi-site news support
MC1303716 | May 7 – SharePoint News web part introduces a new “Filmstrip” layout for visually prominent news display and expands multi-site news aggregation to GCC, GCC High, and DoD environments. Rollout begins May 2026, affecting SharePoint editors and site owners with no required action but recommended communication and documentation updates. View more
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(Updated) Flux.2 Flex model availability in PowerPoint for Microsoft 365 Copilot
MC1302900 | May 7 – Microsoft 365 Copilot in PowerPoint now supports the Flux.2 Flex image generation model, offering higher-quality visuals and layout. Available worldwide since late April 2026, users with a Copilot Premium license can select this model manually. Existing settings and compliance controls remain unchanged. No action is required to prepare. View more
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(Updated) New Feature: Account Manager in Outlook for Windows
MC1129718 | May 7 – Outlook for Windows will introduce a new Account Manager by mid-May 2026, showing profile pictures, enabling account switching, and providing quick access to account details. The feature is on by default, requires no admin action, and aims to enhance user productivity with a familiar experience. View more
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(Updated) Microsoft Teams Copilot without transcription becomes default for meetings – conversation history now persists
MC1139493 | May 7 – Microsoft Teams Copilot will default to running without transcription for new meetings starting mid-July 2026, with conversation history persisting during meetings. Transcription must be manually enabled for post-meeting queries. Tenants with policies updated after June 2024 are unaffected; admins can adjust policies to retain current behavior. View more
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(Updated) Microsoft Teams: Catch up in Teams mobile
MC1260707 | May 7 – Microsoft Teams mobile will introduce a new “Catch up” view in early 2026, summarizing @mentions, replies, and chats in a card-based layout with swipe actions for quick triage. It is enabled by default, requires no admin changes, and aims to help users manage important messages efficiently. View more
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(Updated) Microsoft 365 Copilot: Business justification for Copilot license requests
MC1227088 | May 7 – Starting end of May 2026, Microsoft 365 Copilot license requests will include an optional business justification field for users, visible to admins during review. This feature is on by default, requires no tenant configuration, and does not change existing workflows or admin settings. No action is required. View more
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(Updated) Microsoft 365 Copilot: New chat-first design for the Copilot mobile app
MC1266021 | May 7 – Microsoft 365 Copilot mobile app is updating to a new chat-first design with a modern interface and streamlined navigation, rolling out mid-May to late August 2026 on iOS and Android. The update is automatic, requires no admin action, and maintains existing workflows. View more
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(Updated) Microsoft Outlook: Automatically display automapped calendars
MC906502 | May 7 – Starting end of May 2026, users will automatically see their automapped calendars when switching between classic and new Outlook for Windows. This feature is enabled by default, requires no admin action, and rollout will complete by end of June 2026. Users should be notified and documentation updated accordingly. View more
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Dynamics 365 Customer Service – Enable enhanced screen recording controls for admins
MC1302880 | May 7 – We are announcing the ability to enable enhanced screen recording controls for admins in Dynamics 365 Customer Service. This feature will reach general availability on June 27, 2026.How does this affect me?This enhanced version of screen recording provides greater flexibility and control for organizations that require more granular recording behavior. It expands support for manual start and stop recording in non-voice scenarios such as chat, case-in-focus, and queue-presence… View more
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Outlook: Support for storing S/MIME certificates in contacts in new Outlook
MC1302908 | May 6 – The new Outlook for Windows will support storing S/MIME certificates directly in Contacts, enabling encrypted emails and continuity from classic Outlook. This feature rolls out worldwide mid-May 2026, requires no admin setup, and improves secure communication for organizations using S/MIME encryption. View more
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Microsoft 365 Copilot: Schedule prompts in Agent Builder
MC1302906 | May 6 – Microsoft 365 Copilot’s Agent Builder will support scheduled workflows to run prompts automatically on hourly, daily, weekly, monthly, or yearly cadences. Rolling out worldwide in May 2026, this feature enables users to automate tasks per user, view and manage workflows, and requires no admin action to enable. View more
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Microsoft Purview compliance portal: Purview SDK embedded in Agent Framework SDK
MC1302905 | May 6 – Microsoft is integrating the Purview SDK into the Agent Framework SDK by late June 2026, enabling developers to embed Purview compliance and data protection controls directly into custom AI agents. This enhances governance of AI agents accessing organizational data without changing existing Microsoft 365 user experiences. View more
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Viva Engage Communities and Storylines in Teams – Individual enablement controls
MC1302904 | May 6 – Starting May 18, 2026, admins can independently enable or disable Viva Engage Communities and Storylines in Teams via new controls in Teams messaging policies. Both are enabled by default, remain available in Viva Engage if disabled in Teams, and changes may take up to 24 hours to apply. View more
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Teams meeting templates: Fundamentals and security upgrade
MC1302903 | May 6 – Microsoft is upgrading Teams meeting templates backend for better security, requiring supported Teams and Outlook versions by June 30, 2026. Meeting templates function remains unchanged but need Teams Premium license. Users must update to specified minimum versions; no admin action needed. Communicate changes and ensure app restarts for updates. View more
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Unlocking deeper Copilot insights with enhanced Power BI filtering
MC1302902 | May 6 – Starting late May 2026, Viva Insights admins can enable reserved and custom attributes as filters in Power BI reports, allowing deeper, business-aligned insights. This requires a Microsoft 365 Copilot (Premium) license. No immediate action is needed; admins should review and plan attribute usage and governance. View more
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Microsoft 365 Copilot: Discover Copilot actions in OneDrive/SharePoint file preview
MC1281507 | May 6 – Starting late April 2026, Microsoft 365 Copilot will show suggested actions like summarizing and FAQ generation directly in OneDrive and SharePoint file previews. Enabled by default for eligible users, this feature respects existing permissions and policies, requiring no admin action but user awareness is recommended. View more
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Microsoft Copilot Studio – Create workflows using natural language with the Agentic Workflow Builder
MC1302852 | May 6 – We are announcing the ability to create workflows using natural language with the Agentic Workflow Builder in Microsoft Copilot Studio. This feature will reach general availability on May 20, 2026.How does this affect me?The Agentic Workflow Builder introduces a Copilot-powered authoring experience that enables makers to create workflows in Copilot Studio using natural language. Instead of manually assembling workflow components straight in the canvas, makers can describe the… View more
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Dynamics 365 Project Operations – Use stocked products in resource-based deployments
MC1302876 | May 6 – We are announcing the ability to manage projects that require inventoried products in Dynamics 365 Project Operations. This feature will reach general availability on June 5, 2026.How does this affect me?With this feature, project managers can view on-hand inventory counts at different sites and warehouse locations and estimate, procure, and manage the usage of inventoried products on their projects.What action do I need to take?This message is for… View more
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Dynamics 365 Commerce – Configure inline actions on transaction line items in Store Commerce
MC1302856 | May 6 – We are announcing the ability to configure inline actions on transaction line items in Store Commerce in Dynamics 365 Commerce. This feature will reach general availability on June 5, 2026. How does this affect me? This feature enables users to configure the set of actions displayed per line item in the modern transaction grid in Store Commerce, using Screen Layout Designer in Dynamics 365 Commerce headquarters. Configurable settings include:Which actions… View more
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Power Automate – Test subflows with test suite in Power Automate for desktop
MC1302699 | May 6 – We are announcing the ability to create and run test cases for subflows, included in an upcoming test suite enhancement for Power Automate desktop. This feature will reach general availability on May 15, 2026.How does this affect me? The Power Automate for desktop test suite enhancement expands the testing framework to support creating and running test cases for subflows. Makes can define inputs, expected outputs, and assertions at the child flow level, following the same… View more
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(Updated) Microsoft Copilot Analytics: Data export public preview for Copilot metrics in the Copilot dashboard
MC1173208 | May 6 – Microsoft is introducing a default-on, de-identified data export feature in the Copilot Dashboard for users with full company-level access. Available from December 2025 (preview) and July 2026 (general), it provides weekly user-level Copilot usage metrics for six months to support adoption analysis and licensing optimization. View more
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(Updated) Microsoft Teams: Live chat will be renamed to Customer Connect
MC1287369 | May 6 – Microsoft Teams’ Live chat will be renamed to Customer Connect starting mid-May 2026, completing by end of May. This is a name change only; functionality, settings, and data handling remain unchanged. Existing teams won’t be renamed, but new ones post-change will use Customer Connect. No action required. View more
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(Updated) Auto upgrade of shared calendars from legacy MAPI model to modern REST model
MC1287370 | May 6 – Microsoft is auto-upgrading shared calendars in Outlook and Exchange Online from the legacy MAPI model to the modern REST model between mid-May and late July 2026. The seamless, server-side upgrade improves sync reliability without user action, preserves permissions, excludes events older than one year, and supports up to six calendars per user. View more
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(Updated) Assign participants to breakout rooms using CSV import in Microsoft Teams meetings
MC1280561 | May 6 – Microsoft Teams will support CSV import for breakout room assignments starting mid-May 2026, allowing organizers to bulk-create rooms and pre-assign participants. The feature is enabled by default, requires no admin action, and existing controls remain. Inform organizers and update training materials accordingly. View more
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(Updated) Microsoft Teams: New experience when users minimize the meeting window
MC1266027 | May 6 – Microsoft Teams will introduce a new minimized meeting experience by mid-2026, allowing users to raise hands and send reactions without restoring the full window. Two minimized views—expanded (showing up to four videos) and compact—are available. The feature is enabled by default and requires no admin action. View more
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(Updated) Improved copy and paste support for @mentions and shared contacts in Microsoft Teams
MC1250273 | May 6 – Microsoft Teams will improve copy-paste for messages with @mentions and shared contacts by preserving interactive tags when valid in the destination. If invalid, tags revert to plain text. The rollout spans May to June 2026 across platforms, requires no admin action, and aims to enhance messaging consistency. View more
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(Updated) Microsoft Teams: Miracast support for Teams Rooms on Windows (Teams Rooms Pro only)
MC1186374 | May 6 – Microsoft Teams Rooms on Windows (Pro only) will support Miracast for wireless content sharing, rolling out from mid-May to late May 2026. The feature is off by default, enabled via IT admin portal, requires Miracast-compatible laptops, and has no impact unless activated by admins. View more
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Track notifications delivery for Storyline Announcements in Viva Engage
MC1301833 | May 5 – A new Notifications Delivery Tracker for Storyline Announcements in Viva Engage will launch worldwide in mid-May 2026, providing real-time delivery status across email, Teams, Viva Engage, and mobile push. It enhances visibility in Conversation Analytics without changing publishing workflows or compliance data. View more
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Microsoft 365 Copilot Cowork: Plugins, connectors, and partner integrations (Frontier)
MC1301832 | May 5 – Microsoft 365 Copilot Cowork is expanding with plugins, connectors, and partner integrations for Frontier participants starting May 2026. It enables secure access to Microsoft and third-party services, respects existing permissions and security, supports custom plugins, and is available on web, desktop, and mobile devices. View more
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(Updated) Outlook: Delimiter setting admin policy
MC1239176 | May 5 – A new Exchange Online admin policy will allow admins to set a tenant-wide default for using commas as recipient separators in Outlook mail compose and reply. Rollout starts early April 2026, completing by mid-May. Users can override unless locked by admin. No automatic changes occur without admin action. View more
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Updates available for Microsoft 365 Apps for Current Channel
MC1301824 | May 5 – We’ve released updates to the following update channel for Microsoft 365 Apps: Current Channel View more
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Change Optics report for Exchange Online begins public preview
MC1301802 | May 5 – The Change Optics report for Exchange Online is in public preview, providing administrators visibility into email traffic affected by upcoming transport changes. It identifies onmicrosoft.com external traffic and Direct Send traffic, is enabled by default, requires no preparation, and does not impact mail flow or users. View more
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(Updated) Microsoft Purview: Data Lifecycle Management- Azure PST Import
MC1281505 | May 5 – Azure PST Import enables Microsoft 365 admins to import PST files from Azure Blob Storage into Exchange Online mailboxes using PowerShell. The process includes readiness analysis, import execution, and cleanup, with no GUI available. It starts globally on August 31, 2026, requiring specific Azure permissions and mailbox prerequisites. Imported data follows existing retention and compliance policies. View more
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Microsoft Purview | Data Loss Prevention- DLP to restrict processing external emails in M365 Copilot and Copilot Chat
MC1301714 | May 5 – Microsoft Purview is adding a new Data Loss Prevention (DLP) control for Microsoft 365 Copilot and Copilot Chat to exclude external emails from being used as grounding data in AI responses. This feature, off by default, will roll out from June to August 2026 and requires admin configuration. View more
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(Updated) Viva Engage: Pinned resources and related communities in Teams for iOS
MC1268933 | May 5 – Viva Engage in Microsoft Teams for iOS will add pinned resources and related communities by late July 2026, aligning with other platforms. This feature, enabled by default, improves content access without requiring admin changes. Organizations should inform users and community admins to prepare. View more
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(Updated) Copilot Notebooks: New features coming to Frontier Public
MC1254552 | May 5 – Starting late March 2026, new Copilot Notebooks features—like chat interactivity, study guides, SharePoint grounding, PowerPoint and Word agents, group sharing, and mind maps—will roll out in Frontier Public tenants, reaching general availability by June 2026. Features are enabled by default with no admin action required. View more
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(Updated) Microsoft Teams: Book future meetings from Microsoft Teams panels (Android)
MC1274551 | May 5 – Microsoft Teams will enable booking future meetings directly from Android-based Teams panel devices starting mid-May 2026. This feature, off by default, requires admin activation and supports Teams Rooms Pro and Shared Device licenses. Users can browse room calendars, add guests, and book available slots through the panel. View more
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(Updated) Brand impersonation protection for Teams Calling
MC1219793 | May 5 – Brand Impersonation Protection for Teams Calling will roll out mid-May 2026, warning users of suspicious inbound calls from first-contact external callers to reduce fraud risks. The feature is enabled by default, requires no admin action, and existing calling policies remain unchanged. View more
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(Updated) Introducing Calendar Agentic capabilities in Microsoft 365 Copilot
MC1296874 | May 5 – Microsoft 365 Copilot introduces Calendar Agentic capabilities, enabling users to automate calendar actions via natural-language instructions. Rolling out April–May 2026, it works across Outlook and Teams, respects compliance settings, and requires no new admin controls. Users must enable it, and existing policies apply. View more
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Microsoft Copilot Studio – Use MCP-compliant tools in agent workflows
MC1301505 | May 5 – We are announcing the ability to use MCP (model context protocol) -compliant tools in agent workflows in Microsoft Copilot Studio. This feature will reach public preview on May 18, 2026.How does this affect me?How does this affect me? This feature allows users to integrate proprietary systems, dynamic knowledge sources, and custom actions into agentic workflows with MCP support. Agent workflows can pass structured inputs to MCP-compliant tools and consume structured outputs… View more
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Dynamics 365 Supply Chain Management – Enhance picking speed using spatial location intelligence
MC1301497 | May 5 – We are announcing the ability to optimize warehouse picking routes using spatial coordinates with advanced route algorithms in Dynamics 365 Supply Chain Management. This feature will reach general availability on June 5, 2026. How does this affect me? Improve warehouse efficiency by setting spatial coordinates for locations and zones to optimize picking routes after wave processing, reducing travel distance and saving time. Choose straight-line or city-block distance… View more
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Dynamics 365 Commerce – Display distance in kilometers on the Store Commerce app
MC1301490 | May 5 – We are announcing the ability to enable distance units (in kilometers or miles) in the Store Commerce store locator and inventory lookup for metric-region retailers. in Dynamics 365 Commerce. This feature will reach general availability on June 5, 2026.How does this affect me?Store Commerce will now display distances in the correct unit (kilometers or miles) based on each legal entity’s registered country, eliminating the previous miles-only behavior. This locale-aware… View more
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Dynamics 365 Commerce – Enable associates to use the nearest store payment terminal
MC1301477 | May 5 – We are announcing the ability to select any available payment terminal from a dedicated hardware station, enabling fully mobile store transactions in Dynamics 365 Commerce. This feature will reach general availability on June 5, 2026. How does this affect me? When you select a dedicated hardware station (HWS) from the POS, the system now correctly pairs with the payment terminal physically attached to that hardware station, not the terminal attached to the register. This… View more
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Dynamics 365 Supply Chain Management – Enable precise serial and batch capture in cluster picking
MC1301473 | May 5 – We are announcing the ability to achieve accurate order matching and efficient warehouse operations by capturing serial and batch numbers for items below location level in cluster picking in Dynamics 365 Supply Chain Management. This feature will reach general availability on June 5, 2026. How does this affect me? This feature enables you to improve shipment accuracy and reduce picking errors by capturing serial and batch numbers for every order in cluster picking,… View more
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Power Apps – Dataverse Agent users with Microsoft Entra Agent ID
MC1300981 | May 5 – We’re introducing a new feature in public preview, Dataverse Agent users, powered by Microsoft Entra Agent ID. Rollout of this feature will start on May 4, 2026, and is expected to reach North America by May 22, 2026.This new capability enables organizations to create and manage agent-specific identities that operate securely within Dataverse. Admins will be able to provision agent identities in Entra, map them to Dataverse users, assign security roles, and track all agent… View more
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(Updated) Microsoft 365 Copilot: Intelligent Summaries in Copilot Dashboard
MC1266912 | May 4 – Microsoft 365 Copilot Dashboard will automatically provide AI-generated intelligent summaries starting early June 2026, highlighting adoption trends and usage insights for admins. Suggested prompts aid deeper analysis. No configuration or workflow changes are needed; the feature is on by default with existing controls unchanged. View more
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(Updated) Microsoft 365 Copilot: Comprehensive Copilot metrics in Copilot Analytics
MC1266023 | May 4 – Microsoft 365 Copilot will add new usage metrics across apps like Copilot app, Edge, OneNote, Outlook, Word, Excel, and PowerPoint. These metrics will appear in Copilot Dashboard and Analytics, rolling out worldwide from late May to early June 2026, enabled automatically with no required action. View more
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(Updated) Microsoft 365 Copilot app: Branded footer customization
MC1238432 | May 4 – Starting early May 2026, Microsoft 365 Copilot app will allow admins to add a branded footer with their organization’s logo, confirming a trusted Copilot environment. This feature is off by default, requires admin setup via the Microsoft 365 admin center, and will complete rollout by mid-June 2026. View more
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(Updated) Outlook: Share Word, Excel and PowerPoint local files via the new Outlook for Windows
MC1245222 | May 4 – The new Outlook for Windows will support sending locally stored Word, Excel, and PowerPoint files as email attachments starting early September 2026 worldwide (October for GCC). This feature is on by default, requires no admin action, and aims to align with classic Outlook functionality. View more
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(Updated) Microsoft 365 Apps: Cloud Update adds update health reporting
MC1289720 | May 4 – Microsoft 365 Apps Cloud Update adds Update health reporting with detailed error diagnostics and aggregated issue views for admins. Rolling out April to May 2026, it is enabled by default, requires no user impact or policy changes, and enhances admin monitoring and troubleshooting of update issues. View more
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(Updated) Microsoft 365 Copilot will use private community and event content as grounding sources
MC1296480 | May 4 – Microsoft 365 Copilot will begin using private community and event content as grounding sources starting late May 2026, respecting existing permissions and sensitivity labels. This feature is enabled by default, cannot be disabled, and affects all Microsoft 365 tenants using Copilot. No user action is required. View more
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(Updated) Introducing Surveys Agent and Copilot Chat in Microsoft Forms
MC1229954 | May 4 – Microsoft Forms will integrate Microsoft 365 Copilot Chat and Forms Agent by mid-May 2026, offering AI-driven form creation, editing, and analysis for users with Copilot licenses. Features include AI suggestions, form refinement, invitation drafting, and result analysis, enabled by default but admin-disableable. No action required. View more
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Microsoft Copilot Studio – Information about the creation of classic style agents
MC1300773 | May 4 – We are announcing that we have enabled Microsoft 365 enterprise license customers to create classic style agents using the Microsoft Copilot Studio web app. How does this affect me?Users with the Power Virtual Agents for Office 365 app license enabled can now also use Microsoft Copilot Studio (https://copilotstudio.microsoft.com) to create and manage classic style agents. Previously, these agents could only be made in the Microsoft Copilot Studio app within Microsoft… View more
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(Updated) Smart Calendar available in Classic Outlook for Microsoft 365 Copilot users
MC1181279 | May 4 – Smart Calendar, integrated into Classic Outlook for Microsoft 365 Copilot users, offers AI-powered scheduling, coordination, and meeting recaps without installation. Public preview starts November 2025; general availability by May 2026. It coexists with the classic calendar, requires a Copilot license, and maintains existing admin policies. View more
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Microsoft Entra: App Instance Lock enabled by default for new applications
MC1300584 | May 4 – Microsoft Entra ID will enable App Instance Lock by default for new applications starting June 2026, protecting sensitive properties from unauthorized changes outside the home tenant. Existing apps are unaffected. Admins can disable the lock if needed. Review and update automation or scripts accordingly before rollout. View more
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Power Pages – Use Dynamics 365 websites with Bootstrap 5 and enhanced data model
MC1300450 | May 4 – We are announcing the ability to use Dynamics 365 websites with Bootstrap 5 and enhanced data model in Power Pages. This feature will reach general availability on May 15, 2026. How does this affect me? New sites created using Customer Self-Service, Employee Self-Service, Partner, and Community templates will support the enhanced data model and Bootstrap 5. Users will experience faster site provisioning, improved application lifecycle management with solution awareness,… View more
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