In a rapid change of Office 365, Microsoft sends to Tenant Admin’s the news about what is changing and what is coming in Office 365.

This is the 469th email that Microsoft has sent to Tenant Admin’s Newsletter with Office 365 changes.


Resume “Summary” from Microsoft 365 Copilot:

Microsoft 365 Message center announced numerous updates and new features across Microsoft 365, Teams, Copilot, Purview, Dynamics 365, Power Platform, and Windows, with many rollouts scheduled from late May through September 2026.

Key updates include Copilot Notebooks (mid-June to late July), Excel spreadsheet creation from Copilot Notebook content (public preview late March, GA early June), Teams private chat for organizers (mid-July to mid-August), and Entra ID SSPR method registration (campaign July 6, enforcement September 7).

Teams will introduce features like AI meeting recap, guest invites from inviter’s email, efficiency mode, emoji sync, context preservation, and new controls for quick views, with various rollouts from June to August 2026.

Purview enhancements include OCR for DLP, new compliance SDKs, adaptive scopes for SharePoint DLP (GA late August–September), and sensitive data remediation via Teams (late June preview).

Microsoft 365 Usage Analytics Power BI template app retires June 1 (downloads) and August 1 (support); transition to admin center reports or Graph APIs is required.

Power Platform and Dynamics 365 updates include AI-assisted time-off requests (GA July 30), enhanced chat widgets (preview June 15), and new features for process mining, encryption, and KPI visualization (mostly GA June 30).

Windows updates require a one-time restart for hotpatch-enabled devices in June 2026, with the next restart-free hotpatch in August.

Several features require admin review or action, such as updating scripts for mail reports (by July 30), reviewing conditional access policies (by July 13), and preparing for SharePoint storage quota enforcement (late May–June).

No unresolved issues were highlighted, but multiple features recommend communication to users and documentation updates as rollouts approach.


This Weekly digest is intended to reach the Administrators of Microsoft Office 365 within the latest changes that are happening to Office 365.

 

Below is an example that can be applied to your tenant, because these emails are based on the services that you have in your Tenant and subscription.

 

View a summary of the updates.

 

Microsoft  

Message center announcements

May 25, 2026 – May 31, 2026

 

 

Major updates

 

Notebooks in Microsoft 365 Copilot: Organize work across conversations

MC1326520 | May 29 – Microsoft 365 Copilot app introduces Notebooks to organize chats, content, and references in a persistent workspace synced with OneNote. Rolling out mid-June to late July 2026 for licensed users, it requires no admin action. Notebooks complement existing OneNote features and follow current Copilot policies.
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(Updated) Create Excel spreadsheets from Copilot Notebook content

MC1262567 | May 29 – Copilot Notebooks will enable users with a Microsoft 365 Copilot license to generate and edit Excel spreadsheets directly from notebook content. Public preview starts late March 2026; general availability begins early June 2026. The feature is enabled by default and respects existing security and compliance policies.
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(Updated) Microsoft Teams: Private chat for organizers and presenters in structured meetings, webinars, and town halls

MC1188222 | May 29 – Microsoft Teams will introduce a private chat for organizers, co-organizers, and presenters in structured meetings, webinars, and town halls, unifying backroom chat behavior. Rollout begins mid-July 2026, completing by mid-August. Admins should review policies, communicate changes, and update documentation accordingly.
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Microsoft Entra ID SSPR will require registered authentication methods starting September 7, 2026

MC1325414 | May 28 – Starting September 7, 2026, Microsoft Entra ID SSPR will require explicitly registered authentication methods for password reset verification, disallowing directory-sourced contact info unless registered. A registration campaign begins July 6, 2026. Organizations must ensure users register methods to avoid reset failures.
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(Updated) Security Detection Report in Teams Admin Center

MC1311977 | May 28 – A new Security Detection Report in the Teams admin center, launching mid-July 2026, offers centralized visibility into messaging threats like impersonation, malicious links, and unsafe files. Admins can review, export, and act on detections to improve security investigations and responses.
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Microsoft 365 Usage Analytics Power BI template app will be retired

MC1324288 | May 27 – The Microsoft 365 Usage Analytics Power BI template app will be retired, with new downloads ending June 1, 2026, and support ending August 1, 2026. Users must transition to Microsoft 365 admin center reports or Microsoft Graph APIs for usage data, as no replacement app will be provided.
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Microsoft Teams: Profanity filter disabled by default for live captions

MC1324286 | May 27 – Microsoft Teams will disable the profanity filter by default for live captions starting mid-June 2026, improving caption accuracy and accessibility. Users can enable the filter anytime. This affects new users who haven’t set the filter; no admin action is required, but communication to users is recommended.
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[Action Required] Update scripts using Get-MailDetailTransportRuleReport and Get-MailTrafficPolicyReport

MC1323250 | May 27 – Starting July 30, 2026, Get-MailDetailTransportRuleReport and Get-MailTrafficPolicyReport will return transport rule data only when the -EventType parameter (TransportRuleHits or TransportRuleActionHits) is explicitly specified. Administrators must update related scripts and automation before this date to avoid incomplete results.
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(Updated) Microsoft Teams: Rule-based enablement of Microsoft 365 third-party apps in the Teams admin center

MC1085133 | May 27 – Starting mid-April 2026, admins can manage Microsoft 365 certified third-party Teams apps via org-wide settings in the Teams admin center, enabling rule-based app availability control. This feature rolls out automatically by July 2026, is disabled by default, and requires no prior admin action.
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(Updated) Microsoft Teams: AI meeting recap without transcript to meet compliance policies

MC1275312 | May 26 – Microsoft Teams will offer AI meeting recaps without saving transcripts or recordings for M365 Copilot Premium users, supporting compliance policies. Admins control this via tenant AI toggles; organizers can enable/disable it before or during meetings. Summaries are stored in OneDrive for a configurable period. Rollout begins July 2026.
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(Updated) Microsoft Teams: Find SharePoint agents in Teams chats and Teams Store

MC1193415 | May 26 – Users on Microsoft Teams Desktop and Mac can soon discover and add SharePoint agents directly in chats via the “Add Agents and Bots” option or the Teams Store under “Agents.” The feature rolls out mid-July to August 2026, requires no admin action, and supports existing policies.
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Additional updates

 

(Updated) Microsoft Purview compliance portal: Purview SDK embedded in Agent Framework SDK

MC1302905 | May 29 – Microsoft is integrating the Purview SDK into the Agent Framework SDK, enabling AI agents to enforce Microsoft Purview compliance and data protection policies. This rollout begins September 2026, requiring developer implementation. It affects organizations building AI agents and enhances compliance monitoring without changing existing Microsoft 365 user experiences.
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Microsoft Viva Glint: Export Heat Map reports as editable PowerPoint slides

MC1326512 | May 29 – Microsoft Viva Glint will add an option to export Heat Map reports as fully editable PowerPoint slides starting mid-July 2026. This enhances customization, improves layout consistency, and boosts export reliability while retaining the existing screenshot export option. No admin action is needed before rollout.
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Microsoft Purview: Information Protection- File Labeler and File Viewer for MacOS

MC1326509 | May 29 – Microsoft Purview is launching File Labeler and File Viewer apps for macOS to enable sensitivity labeling and protected file viewing, aligning with Windows capabilities. Public preview starts May 29, 2026, with general availability on September 30, 2026. Advanced label-based protection is not supported initially.
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SharePoint Pages: Updates to the Toolbox within the Content pane

MC1326507 | May 29 – SharePoint Online’s content pane toolbox for page editing will be updated by late June 2026 to show all web parts by default, add tabs for Stock images, Videos, Recently used, and move section templates to a separate tab. No admin action is needed; existing pages remain unchanged.
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Shared and delegate mailbox scheduling for events

MC1326502 | May 29 – Shared and delegate mailbox scheduling for events lets delegates organize events on behalf of leaders using shared or delegated mailboxes, sending invitations from trusted organizational identities. Rolling out worldwide June–July 2026, it improves event coordination and trust, requires no action, and respects existing Exchange permissions.
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(Updated) Microsoft Purview Data Loss Prevention: Optical character recognition for images in Office and PDFs on Windows

MC1310681 | May 29 – Microsoft Purview DLP on Windows now supports OCR scanning of images embedded in Office documents and PDFs, improving sensitive data detection. Rollout begins late June 2026. Enabling OCR incurs Azure AI service costs, requires specific client versions, Windows updates, and admin configuration in the Purview compliance portal.
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(Updated) Microsoft 365 Copilot: Comprehensive Copilot metrics in Copilot Analytics

MC1266023 | May 29 – Microsoft 365 Copilot Analytics will add new user engagement metrics across apps, unify Copilot Chat reporting, and expand intent-based usage tracking. Rollout begins early June 2026, with automatic enablement and no required configuration changes. Users licensed for Copilot and tenants with Copilot Analytics access are affected.
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(Updated) Microsoft Purview | Data Security Posture Management: New data security agent in DSPM

MC1318248 | May 29 – Microsoft Purview’s Data Security Posture Management (DSPM) is now generally available worldwide from mid-June to late July 2026. It provides centralized insights, recommendations, and remediation actions to improve data security posture across Microsoft 365 without disrupting existing configurations. No action is required.
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Microsoft Purview Data Security Triage Agent will include sensitive data remediation through Microsoft Teams

MC1326260 | May 29 – Microsoft Purview Data Security Triage Agent will add sensitive data remediation via Microsoft Teams for SharePoint and OneDrive files, automating user notifications and tracking remediation progress. This opt-in feature, launching in public preview late June 2026, aims to reduce compliance risk and improve remediation visibility.
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Microsoft Teams: Information Barriers enforcement for same‑tenant users in external group chats

MC1326258 | May 29 – Microsoft Teams will enforce Information Barriers between same-tenant users in external group chats, calls, and meetings starting June 15, 2026. This ensures consistent compliance across all communication scenarios without requiring policy changes. Existing external conversations remain unchanged initially, with ongoing enforcement applied as policies or memberships change.
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Microsoft 365 Archive: file-level archiving public preview

MC1326254 | May 29 – Microsoft 365 Archive now supports file-level archiving in public preview, allowing SharePoint files or folders to be moved to low-cost storage while remaining visible with metadata and compliance intact. Admins enable the feature; archived files are excluded from search and Copilot, with reactivation timing varying by duration.
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Conditional Access policies now apply to Windows Hello for Business and macOS Platform SSO registration

MC1326253 | May 29 – Conditional Access policies will apply to Windows Hello for Business and macOS Platform SSO registration starting July 6, 2026, enforcing policy requirements like MFA and trusted locations during enrollment. Organizations should review and test policies, update documentation, and ensure users can meet requirements before rollout completes July 13, 2026.
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(Updated) Microsoft Teams introduces efficiency mode to improve app responsiveness

MC1287373 | May 28 – Microsoft Teams will roll out Efficiency Mode by late May 2026, improving performance on hardware-constrained devices by adjusting video resolution and app behavior. Enabled by default, users can opt out in settings. No action is required unless customization or helpdesk updates are needed.
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Microsoft Purview | Data Lifecycle Management – Archive OneDrive and SharePoint files under retention

MC1325441 | May 28 – Microsoft Purview Data Lifecycle Management will enable archiving OneDrive and SharePoint files under retention policies to reduce storage costs by moving inactive content to Microsoft 365 Archive. Archived files remain compliant and discoverable but are excluded from Copilot indexing. The feature requires admin setup and rolls out worldwide from late June to mid-July 2026.
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Microsoft 365 Copilot app: Simplified, chat-centered experience

MC1325422 | May 28 – Microsoft 365 Copilot app updates introduce a streamlined, chat-centered experience with simplified navigation, a new Tasks tab, and consolidated Work IQ toggle. Rolling out from May to July 2026, these changes enhance usability across web and desktop for all Copilot users, requiring no user action to enable.
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Microsoft 365 Copilot: Support for real-time screen sharing in Copilot voice sessions

MC1325421 | May 28 – Microsoft 365 Copilot will support real-time screen and camera sharing in voice sessions, enabling Copilot to analyze visual content and provide insights. This feature, enabled by default and controllable by admins and users, will roll out from late June to July 2026 worldwide.
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Microsoft Clipchamp: Licensing SKU and service plan naming update

MC1325419 | May 28 – Microsoft Clipchamp licensing SKU and service plan names will be updated in mid-June 2026 for clarity and consistency with Microsoft 365 standards. No changes to features or user experience. Updates apply automatically; no action required, but review internal references after June 10, 2026.
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Microsoft Teams: Guest invitation emails will be sent from the inviter’s email address

MC1325416 | May 28 – Microsoft Teams guest invitation emails will soon be sent from the inviter’s email address instead of a no-reply address, improving clarity and enabling direct replies. This change, rolling out worldwide from late June to late July 2026, requires no admin action but users should be informed.
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Microsoft Copilot Studio: Mistral Medium 3.5 will be available (admin opt-in required)

MC1325410 | May 28 – Microsoft Copilot Studio will add Mistral Medium 3.5 as an external AI model option, disabled by default and requiring admin opt-in. Available from May 2026, it offers more flexibility for agent orchestration, with existing governance and compliance controls maintained. No user impact unless enabled by admins.
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Microsoft 365 Apps: Cloud update – simplified channel management (public preview)

MC1325406 | May 28 – Microsoft 365 Apps Cloud Update introduces simplified profile and channel management, allowing admins to assign update profiles using Microsoft Entra ID groups in a single workflow. Rolling out from May to June 2026, it automates profile migration with no user impact and requires no action for public preview.
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(Updated) Microsoft Teams: Recently used emojis sync across devices

MC1256307 | May 28 – Microsoft Teams will sync recently used emojis and reactions across all devices by mid to late July 2026, providing a consistent emoji experience. The feature is enabled by default, requires no user action, and does not affect data flow, compliance, or existing admin settings.
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(Updated) Context preservation in Microsoft Teams

MC1234548 | May 28 – Microsoft Teams will restore recent conversation and view state if users return within 30 minutes after leaving a chat, channel, or Quick View, supporting quick context switching. Rollout begins early April 2026, enabled by default, with no admin controls or required actions.
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Dynamics 365 Contact Center- Use representatives for commercial proactive engagement

MC1325374 | May 28 – We are announcing the ability to use representatives for commercial proactive engagement in Dynamics 365 Contact Center. This feature will reach general availability on June 30, 2026.How does this affect me?This feature enables administrators and journey authors to create proactive engagements in Dynamics 365 Contact Center that are compliant with the Telephone Consumer Protection Act (TCPA).Journey authors can indicate whether a proactive engagement is part of a…
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(Updated) Microsoft Teams: Report external users for security concerns

MC1309744 | May 28 – Microsoft Teams will enable users to report suspicious external users directly, with reports visible to admins in the Teams admin center for faster security response. This feature, rolling out mid to late June 2026, is enabled by default and supports investigation of phishing and impersonation risks.
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Dynamics 365 Project Operations – Task level calendars for precise planning

MC1325369 | May 28 – We are announcing task level calendars for precise planning in Dynamics 365 Project Operations. This feature will reach public preview on June 12, 2026.How does this affect me?This feature enables you to assign calendars at the task level. This flexibility helps you create realistic timelines, plan more efficiently, and keep projects on track, even when scheduling needs vary.What action do I need to take?This message is for awareness, and no action is…
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(Updated) New entry points for “Create pages with AI in SharePoint”

MC1324284 | May 28 – Copilot in SharePoint expands AI-assisted page and news post creation with new entry points at the Publish landing page and Site Template Gallery. Rolling out March to July 2026, it requires a Microsoft 365 Copilot license and is enabled by default for eligible users, enhancing authoring speed and flexibility.
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(Updated) Using groups to enable Frontier access in the Frontier Admin Control

MC1309739 | May 28 – Starting June 2026, Frontier Admin Control supports assigning access via Entra ID groups, improving enrollment management for up to 10,000 users per group-based pilot. Nested groups aren’t supported. No changes for tenants enrolling all users. Admins should prepare by creating dedicated groups and monitoring membership limits.
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(Updated) SharePoint Online: Storage quota enforcement updated to align with license limits

MC1310684 | May 28 – SharePoint Online will update storage quota enforcement by late May to June 2026, aligning user quotas with license limits. Users exceeding licensed storage will enter read-only mode. Admins should identify over-quota users, take corrective actions, and inform support teams. No changes for users within limits.
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(Updated) Microsoft Teams: Unblock users to send message while file is uploading in the background

MC1317836 | May 28 – Microsoft Teams will allow users to send messages while files upload asynchronously in the background, improving real-time collaboration. This update, rolling out from July to late July 2026, affects all platforms and requires no action. Compliance and file-sharing policies remain unchanged.
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(Updated) Microsoft Teams: New controls for quick views in the chat list

MC1234574 | May 28 – Microsoft Teams will introduce new controls in March 2026 allowing users to customize quick views in chat and channel lists. Quick views like Mentions and Followed threads will appear only when messages exist, be adjustable, and the feature will enable automatically without admin action on Windows, Mac, and web.
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Dynamics 365 Contact Center – Enable AI-assisted time-off and swap requests

MC1325066 | May 28 – Update: Release of this feature has been updated.We are announcing the ability to enable AI-assisted time-off and swap requests in Dynamics 365 Contact Center. This feature will reach general availability on July 30, 2026. How does this affect me? This feature enables an AI-assisted solution that provides automation for workforce schedules and approvals, governance across time‑off requests, shift bidding, and shift swapping. Supervisor oversight is supported…
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Dynamics 365 Customer Insights – Data- Increase agent accuracy by grounding the agent in customer insights

MC1325027 | May 28 – We are announcing the ability to increase agent accuracy by grounding the agent in customer insights in Dynamics 365 Customer Insights – Data. This feature will reach public preview on June 15, 2026.How does this affect me?With this feature, more insights generated by Customer Insights – Data can be leveraged from within Microsoft Copilot Studio. The Customer Insights MCP server can be leveraged in chat and agent workflows to quickly obtain key insights such as:Access…
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Power Platform – View sensitivity labels in Microsoft Copilot Studio

MC1325015 | May 28 – We are announcing the ability to view sensitivity labels in Microsoft Copilot Studio. This feature will reach general availability on June 30, 2026.How does this affect me?Users will be able to view Microsoft Purview Information Protection sensitivity labels applied to Dataverse columns across Copilot Studio experiences, including:Selecting Dataverse knowledge sources in Copilot Studio.Viewing labeled information in citations within responses.Labels…
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Microsoft Power Automate – Export object-centric process mining data to Microsoft Fabric semantic model

MC1325013 | May 28 – We are announcing the ability to export object-centric process mining data to Microsoft Fabric semantic model in Microsoft Power Automate. This feature will reach general availability on June 30, 2026.How does this affect me?Users will be able to publish object-centric process mining analysis results directly to Microsoft Fabric semantic models for use across the Microsoft analytics ecosystem. Published data will include objects, events, relationships, attributes, KPIs, and…
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Microsoft Copilot Studio – Evaluate the entirety of multi-turn conversations

MC1325011 | May 28 – We are announcing the ability to evaluate the entirety of multi-turn conversations in Microsoft Copilot Studio. This feature will reach general availability on June 30, 2026.How does this affect me?This feature enables assessment of agent behavior across an entire dialogue rather than grading or evaluating isolated responses. Instead of evaluating single prompt-response pairs, the system analyzes the full conversational flow.This feature provides the following…
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Power Automate- Encrypt and decrypt data with PGP

MC1325004 | May 28 – We are announcing the ability to encrypt and decrypt data with Pretty Good Privacy (PGP) in Power Automate. This feature will reach general availability on June 30, 2026.How does this affect me?This feature introduces PGP specific encryption and decryption actions that use OpenPGP compatible public and private keys. You can encrypt files or data payloads using a recipient public key and decrypt incoming PGP encrypted content using a corresponding private key and passphrase….
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Power Apps- Enhance row summaries in model-driven apps

MC1324999 | May 28 – We are announcing the ability to enhance row summaries in model-driven apps in Power Apps. This feature will reach general availability on June 30, 2026.How does this affect me?This feature provides enhancements to the row summaries experience that broaden the reach, control, and value of row summaries, improving usability for both makers and end users across all supported clouds.Key enhancements include:Makers can assign security roles to individual…
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Microsoft Dataverse – Create Dataverse agent users with Microsoft Entra agent identity

MC1324994 | May 28 – We are announcing the ability to create Dataverse agent users with Microsoft Entra agent identity in Microsoft Dataverse. This feature will reach public preview on June 30, 2026. How does this affect me? This feature allows users to securely deploy AI agents to access and interact with Dataverse data using enterprise‑managed Microsoft Entra agent identities. With this feature, agents are provisioned as Dataverse agent users with dedicated, least-privileged security roles…
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Dynamics 365 Contact Center – Consult, transfer securely for PSTN numbers, and IVR

MC1324991 | May 28 – We are announcing the ability to securely consult and transfer calls to non-Microsoft systems for PSTN numbers, and IVR in Dynamics 365 Contact Center. This feature will reach general availability on June 30, 2026. How does this affect me? Users will be able to securely consult with and transfer calls to external PSTN numbers and IVR systems, such as payment processors or verification services. During these interactions, recording and transcription will automatically…
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Microsoft Power Automate – Configure notifications for desktop flow checker in admin portal

MC1324990 | May 28 – We are announcing the ability to configure notifications for the desktop flow checker in the admin portal in Microsoft Power Automate. This feature will reach general availability on June 30, 2026. How does this affect me? This feature enables you to configure notifications for violations detected across all desktop flows in an environment. This allows you to choose which rule violations trigger alerts, and what parameters apply to each notification type. With this…
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Dynamics 365 Sales – Accelerate Sales Opportunity Agent deployment with simplified admin configuration

MC1324989 | May 28 – We are announcing the ability to accelerate Sales Opportunity Agent deployment with simplified admin configuration in Dynamics 365 Sales. This feature will reach general availability on June 30, 2026.How does this affect me?Users will be able to configure the Sales Opportunity Agent through a simplified setup experience with guided configuration, smart default settings, and separate basic and advanced configuration options. This will enable users to quickly enable and test…
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Power Platform – View sensitivity labels in connectors

MC1324869 | May 28 – We are announcing the ability to view sensitivity labels in connectors in Power Platform. This feature will reach general availability on June 30, 2026. How does this affect me? This feature gives admins the power to govern data use for data that Power Platform connectors transfer by making Microsoft Information Protection labels visible. You can show and enforce these labels across Power Platform experiences, starting with Microsoft Copilot Studio. What…
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Power Automate – View property value expanded inline in the new cloud flow designer

MC1324868 | May 28 – We are announcing the ability to view property value expanded inline in the new cloud flow designer in Power Automate. This feature will reach general availability on June 30, 2026. How does this affect me? This feature enables you to use the inline view to examine property values from multiple steps at once when authoring or debugging flows. What action do I need to take? This message is for awareness, and no action is required. If you would…
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Dynamics 365 Contact Center – Delight your customers with the enhanced chat widget

MC1324856 | May 28 – We are announcing the ability to delight your customers with the enhanced chat widget in Dynamics 365 Contact Center. This feature will reach public preview on June 15, 2026. How does this affect me? The updated chat widget improves customer engagement and brand consistency with: Faster load times through optimized scripting, ensuring quicker display of the chat button even on slower network connections. Modernized look and feel with expanded…
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Power Platform – Build Power Pages sites faster with AI coding tools

MC1324857 | May 28 – We are announcing the ability to build Power Pages sites faster with AI coding tools in Power Platform. This feature will reach general availability on June 30, 2026. How does this affect me? Pro-developers can now accelerate Power Pages site development by leveraging AI that truly understands the platform. Thanks to its advanced comprehension of web roles, table permissions, web APIs, and other platform-specific components, this deep integration means fewer iterations,…
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Microsoft Teams: Secure Reliable Transport (SRT) support for Teams meetings and events

MC1323270 | May 27 – Microsoft Teams will support Secure Reliable Transport (SRT) for town halls and live events starting June 2026, offering a secure, low-latency alternative to RTMP with backup stream failover. This affects event producers using external encoders, requires no user impact or admin changes, and improves streaming reliability.
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Microsoft Teams: Teams Rooms Builder in the Pro Management portal

MC1324287 | May 27 – Teams Rooms Builder, launching worldwide in June 2026 in the Teams Rooms Pro Management portal, is a visual tool for IT admins to design and standardize meeting spaces by selecting devices, licenses, and layouts. It’s enabled by default for Teams Rooms Pro tenants with no purchase functionality included.
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Microsoft Defender XDR: Password protection account action buttons

MC1324285 | May 27 – Microsoft Defender XDR adds “Disable account” and “Reset password” buttons to the Password protection page for Active Directory human user accounts. Available by default from late May 2026, these actions enable direct remediation of risky accounts without configuration changes. No action is required from administrators.
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Support for disabling file previews in Microsoft Teams

MC1324282 | May 27 – Microsoft Teams will add a user-level setting to disable file previews, enabled by default. Rolling out June 2026, this applies per user and per client without admin action. Users can manage this under Settings > Files and links, with no changes to data storage or permissions.
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PowerPoint Live adds the ability to reload updated presentations during meetings

MC1324281 | May 27 – PowerPoint Live will allow presenters in Microsoft Teams to refresh and load the latest saved version of their presentation during a live meeting without restarting. This feature, rolling out from late May to mid-June 2026, requires no admin setup and helps maintain real-time alignment with updates.
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Assign open shifts in Microsoft Teams Shifts

MC1324280 | May 27 – Microsoft Teams Shifts introduces “Assign open shifts,” allowing managers to auto-assign open shifts based on availability, time off, and scheduling rules. Rolling out worldwide mid to late June 2026, it’s optional and editable before publishing. No action required; admins may update guidance.
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Save your event as template to reuse event configurations

MC1324279 | May 27 – Microsoft Teams will allow event organizers to save and reuse custom event templates, including details, participants, branding, and settings, starting June 2026. This feature requires no admin setup and helps ensure consistent event configurations across the organization. No user action is needed.
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(Updated) PowerPoint for Web: ‘Prepare for Questions’ skill in Copilot

MC1318851 | May 27 – The “Prepare for Questions” skill in Copilot for PowerPoint for Web, launching worldwide in late May 2026, helps users anticipate audience questions to improve presentations. Enabled by default, it requires the Anthropic model, respects admin settings, and needs no user action.
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(Updated) PowerPoint for Windows Desktop: ‘Prepare for Questions’ skill in Copilot

MC1318852 | May 27 – PowerPoint for Windows Desktop is introducing the “Prepare for Questions” Copilot skill, using the Anthropic model, to help users anticipate audience questions and improve presentations. It will roll out worldwide in late May 2026, enabled by default for eligible users, with no admin control over individual skills.
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(Updated) PowerPoint for Mac: ‘Prepare for Questions’ skill in Copilot

MC1318854 | May 27 – PowerPoint for Mac’s Copilot introduces the “Prepare for Questions” skill, using the Anthropic model to help users anticipate audience questions and improve presentations. Rolling out worldwide in late May 2026, it’s enabled by default for eligible users, with no admin control over individual skills. No action required.
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Power Platform admin center – Discover what’s driving engagement with the Usage page

MC1310378 | May 27 – Update: Release of this feature has been updated.We are announcing the ability to discover what’s driving engagement with the Usage page in Power Platform admin center. This feature will reach general availability on August 17, 2026. How does this affect me?This feature helps you identify the top resources in your organization that are driving success and spot adoption trends, such as usage spikes for apps, flows, and agents. At the top of the page, you will…
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Dynamics 365 Contact Center – Update to provide greater granularity to session rejection reasons

MC1324072 | May 27 – We are announcing that beginning on June 8, 2026, with full availability by June 31, 2026, Dynamics 365 Contact Center will now track session rejection reasons with greater granularity. Previously, all automatic session rejection reasons were all recorded under a single rejection category, “Agent Reject”. This could make it challenging for supervisors to distinguish between representative-initiated rejections and system-triggered ones. This update separates session rejections into distinct,…
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(Updated) User reported security signals in Teams admin center

MC1227625 | May 27 – Microsoft Teams will add a Protection reports section in the Teams admin center for admins to review and export user-reported security submissions on calls (starting mid-April 2026) and later chats and channels. Admins must enable user reporting settings to access these new security insights.
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Dynamics 365 Contact Center – Protect customer experience on direct inward dialing lines with overflow actions

MC1323940 | May 27 – We are announcing the ability to protect the customer experience on direct inward dialing lines with overflow actions in Dynamics 365 Contact Center. This feature will reach general availability on June 20, 2026. How does this affect me? This feature leverages Conversation Orchestration to detect key related events such as the user being busy, offline, rejecting the call, or failing to answer to apply administrator-defined fallback actions. Administrators can…
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(Updated) Interact with your favorite apps on Teams using Slash ( / ) Commands

MC1319214 | May 27 – Microsoft Teams will roll out slash (/) commands for apps in the compose box starting early July 2026, enabling users to invoke app functions inline. This affects all Teams users and app developers, requires no admin changes, and apps must update manifests to support commands. No action is needed.
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(Updated) Microsoft Teams Town halls (Teams Premium): Upload custom backgrounds in Manage what attendees see

MC1307982 | May 27 – Microsoft Teams Premium will allow organizers and presenters of town hall events to upload custom background images in the “Manage what attendees see” feature, enhancing branded visuals. Rollout begins early June 2026, applies only to town halls with this feature enabled, and supports JPEG/PNG formats.
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(Updated) New Outlook for Windows: LDAP support for S/MIME certificate lookup

MC1310680 | May 27 – New Outlook for Windows will support LDAP directories for S/MIME certificate lookup, enabling secure encrypted email with external partners. Rollout begins late May 2026 worldwide, mid-June in GCC. Admins configure LDAP via Exchange Online PowerShell; users add directories in Outlook settings. LDAP must not require authentication.
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(Updated) Outlook: Support for storing S/MIME certificates in contacts in new Outlook

MC1302908 | May 27 – The new Outlook for Windows will support storing S/MIME certificates directly in Contacts, enabling encrypted emails and seamless transition from classic Outlook. Rollout starts late May 2026 worldwide, mid-June for GCC. No admin action needed; users should add certificates and update documentation accordingly.
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(Updated) PowerPoint for the web: “Review this presentation” skill in Copilot

MC1309737 | May 27 – The “Review this presentation” skill in PowerPoint for the web Copilot is now generally available. It analyzes slides and offers improvement suggestions for structure, clarity, and storytelling without applying changes automatically. No admin setup is needed, and availability depends on Anthropic model access.
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(Updated) PowerPoint for Windows desktop: “Review this presentation” skill in Copilot

MC1309735 | May 27 – The “Review this presentation” skill in PowerPoint Copilot for Windows analyzes slides and offers improvement suggestions for structure, clarity, and storytelling. It uses the Anthropic model, is available now by default to eligible users, requires no admin setup, and respects existing Copilot access controls.
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(Updated) PowerPoint for Mac: “Review this presentation” skill in Copilot

MC1309736 | May 27 – The “Review this presentation” skill in PowerPoint for Mac Copilot is now available worldwide. It analyzes slides and offers improvement suggestions for structure and clarity without automatic changes. It requires the Anthropic model, needs no admin setup, and respects existing Copilot access controls.
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(Updated) PowerPoint for the web: “Visualize this slide” skill in Copilot

MC1309733 | May 27 – The “Visualize this slide” skill in Copilot for PowerPoint for the web, launching mid-May 2026, transforms text slides into visually rich layouts using the Anthropic model. Enabled by default, it respects existing compliance and admin settings, with no admin action required to prepare.
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(Updated) PowerPoint for Windows desktop: “Visualize this slide” skill in Copilot

MC1309731 | May 27 – The “Visualize this slide” skill in Copilot for PowerPoint on Windows desktop transforms text slides into visually rich designs using the Anthropic model. It rolls out worldwide by mid-May 2026, is enabled by default, requires no admin action, and respects existing compliance and licensing policies.
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(Updated) PowerPoint for Mac: “Visualize this slide” skill in Copilot

MC1309732 | May 27 – The “Visualize this slide” skill in Copilot for PowerPoint on Mac, launching mid-May 2026, transforms text slides into visual layouts using the Anthropic model. It’s enabled by default for eligible users, requires no admin action, and respects existing compliance and admin settings.
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Hotpatch-enabled devices will restart after installing the June 2026 Windows update

MC1323247 | May 27 – The June 2026 Windows security update will be a hotpatch baseline update requiring a device restart on hotpatch-enabled devices. This one-time restart maintains the foundation for future restart-free hotpatches, with the next expected in August 2026. Non-hotpatch devices are unaffected.
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Hotpatch-enabled devices will restart after installing the June 2026 Windows update

MC1323246 | May 27 – The June 2026 Windows security update will be a hotpatch baseline requiring a device restart on hotpatch-enabled Windows devices. This one-time restart maintains the foundation for future restart-free hotpatches, with the next expected in August 2026. Non-hotpatch devices are unaffected.
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Dynamics 365 Sales – Improve opportunity data completeness with AI-powered data enrichment

MC1323861 | May 27 – We are announcing the ability to improve opportunity data completeness with AI-powered data enrichment in Dynamics 365 Sales. This feature will reach general availability on June 26, 2026.How does this affect me?This feature enables you to automatically receive timely and relevant suggestions to fill data gaps based on real customer interactions, such as emails, meetings, and third-party connectors. AI‑powered data enrichment helps you keep opportunity data accurate and…
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Dynamics 365 Project Operations – Enable subcontractor vendor invoice matching to actuals

MC1323856 | May 27 – We are announcing the ability to match actual costs when generating vendor invoices for receipts associated with subcontracting purchase orders in Dynamics 365 Project Operations. This feature reached public preview on May 11, 2026. How does this affect me? If you use Project Operations integrated with an ERP and enable the Enable subcontractor vendor invoice matching to actuals setting for Project Operations integrated with ERP, vendor invoices from subcontracting PO…
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Dynamics 365 Project Operations – Enable Project Revenue recognition using cost estimate instead of EAC

MC1323835 | May 27 – We are announcing the ability to enable Project Revenue recognition using the percentage of completion based on the cost estimate instead of the changing estimate at completion (EAC) in Dynamics 365 Project Operations. This feature reached public preview on May 11, 2026. How does this affect me?Turning on the Enable Project Revenue recognition using the cost estimate instead of the EAC setting bases percentage of completion (PoC) on the cost estimate rather than the…
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Dynamics 365 Contact Center – Automatically handle waiting conversations when queues close or become unstaffed

MC1323827 | May 27 – We are announcing the ability to automatically handle waiting conversations when queues close or become unstaffed in Dynamics 365 Contact Center. This feature will reach general availability on June 20, 2026.How does this affect me?This feature enhances queue handling by intelligently detecting two key scenarios where conversations would otherwise remain unserved:Queue transitions to Out of Operating Hours: The system continuously monitors active conversations…
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Updates available for Microsoft 365 Apps for Current Channel

MC1323310 | May 27 – We’ve released updates to the following update channel for Microsoft 365 Apps: Current Channel
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(Updated) Microsoft Purview: Data Security Investigations – AI analysis enhancements

MC1239175 | May 26 – Microsoft Purview is enhancing AI analysis in Data Security Investigations by auto-preparing items for AI analysis and adding a new standard categorization option. Rolling out mid-March to mid-June 2026, this update improves efficiency without changing admin settings and requires no prior admin action.
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Power BI integration with Microsoft 365 Copilot

MC1323266 | May 26 – Starting June 2026, Microsoft 365 Copilot will integrate with Power BI in Frontier tenants, enabling users to ask questions grounded in Power BI reports and semantic models. The feature respects existing permissions, is enabled by default, requires appropriate licenses, and can be disabled by admins via the Microsoft 365 admin center.
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Microsoft 365 Copilot: Planner agent general availability

MC1323264 | May 26 – Microsoft 365 Copilot’s Planner agent is generally available worldwide from mid to late June 2026. It enables users with active Copilot licenses to create, update, and manage tasks and plans within Copilot, offering insights on priorities and deadlines. Admins can control its availability tenant-wide via the admin center.
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Microsoft Defender for Office 365: ZAP expands cleanup to Deleted Items

MC1323263 | May 26 – Zero-hour Auto Purge (ZAP) in Microsoft Defender for Office 365 will now scan and remediate malicious emails in users’ Deleted Items folders, enhancing post-delivery protection without new policies. Rollout starts June 2026, affecting all tenants with ZAP enabled, with no user experience changes or required actions.
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Microsoft Purview | eDiscovery: Enhancement of Loop and Copilot Pages in review and export

MC1323262 | May 26 – Microsoft Purview eDiscovery (Premium) will add an HTML conversion option for Microsoft Loop and Copilot Pages files during export or review set addition, making these cloud-native files accessible and searchable in standard browsers. This feature requires Microsoft 365 E5 licenses and will roll out mid-June to early July 2026.
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Power Automate – Create and visualize custom KPIs in the process intelligence experience

MC1310386 | May 26 – We are announcing the ability to create and visualize custom KPIs in the process intelligence experience in Power Automate. This feature will reach public preview on June 31, 2026.How does this affect me?The process intelligence experience allows flexible metric creation with seamless visualization integration. You can create custom metrics using configurable formulas that can incorporate existing process data, standard KPIs, and mathematical operations. Key…
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Microsoft Copilot Studio – Automate web and desktop apps with computer use

MC1323229 | May 26 – We are announcing the ability to automate web and desktop apps with computer use in Microsoft Copilot Studio. This feature has reached general availability.How does this affect me?This feature enables your agents to interact with any system with a graphical user interface (GUI), such as websites or desktop applications. It performs actions like pressing buttons, selecting menu options, and typing into fields. You describe the task in natural language, and the agent will…
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The May 2026 Windows non-security preview update is now available

MC1323218 | May 26 – The May 2026 non-security preview update is now available for Windows 11, versions 26H1, 25H2, and 24H2. Information about the contents of this update is available from 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) Keyboard shortcut dialog has search functionality

MC1316228 | May 26 – Microsoft Teams is adding search functionality to the Keyboard shortcuts dialog, allowing users to find shortcuts by action name or key combination. This feature, enabled by default, will roll out worldwide from early to late June 2026, improving shortcut discoverability and customization without changing existing workflows.
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(Updated) Microsoft 365 Copilot: Updated handling of entity inserts in the Copilot Chat input box

MC1230892 | May 26 – Microsoft 365 Copilot and Copilot Chat will update entity inserts from Add Work Content so entity names no longer appear as text in the input box, enabling cleaner prompts. This change, rolling out late May to early June 2026, is enabled by default with no admin action required.
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(Updated) Microsoft 365 Copilot: Content Sources in Copilot Chat

MC1127230 | May 26 – Microsoft 365 Copilot will let licensed users select specific content sources to scope Copilot Chat responses, enhancing relevance and control. This feature rolls out worldwide from early to mid-June 2026, is enabled by default, requires no admin action, and does not affect existing policies or compliance.
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(Updated) Microsoft Purview | Data Loss Prevention – Adaptive scopes for DLP for SharePoint

MC1234571 | May 26 – Microsoft Purview introduces adaptive scopes for SharePoint DLP policies, enabling automatic targeting of sites based on attributes, reducing manual updates. Public preview began February 2026; general availability is delayed to late August–September 2026. Admins must create and assign scopes; no user workflow impact.
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(Updated) Microsoft Teams: Digital signage support for Teams panels

MC1311979 | May 26 – Microsoft Teams will support digital signage on idle Teams panels starting early July 2026. Admins can configure signage per device or tenant-wide via the Teams Rooms Pro Management portal, using supported providers like Appspace and XOGO. This feature requires Teams Rooms Pro or Shared Spaces licenses and has no user impact unless enabled.
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Microsoft Teams: In‑meeting toggle to turn Meeting AI on or off

MC1319216 | May 26 – Microsoft Teams will add an in-meeting toggle for licensed organizers and presenters to turn Meeting AI (Copilot, Facilitator, recap) on or off during live meetings, respecting tenant policies. This feature rolls out June 2026 and links AI use with transcription settings for flexible control.
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Microsoft Copilot Notebooks: Introducing Infographics

MC1317195 | May 26 – Microsoft Copilot Notebooks will introduce Infographics, enabling users to create visual summaries from notebook content using grounded references. Rolling out from May to July 2026, this default-enabled feature enhances clarity and productivity without disrupting workflows. No action is required, but informing users and reviewing policies is recommended.
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If you what to know more about Office 365 here is my book – Office 365 Essentials – https://www.nuno-silva.net/blog/post/11956/office-365-essentials-book-published

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