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 428th email that Microsoft has sent to Tenant Admin’s Newsletter with Office 365 changes.


Resume “Summary” from Microsoft 365 Copilot:

Microsoft 365 Message center provided a weekly digest of major and additional updates, including new features, retirements, and enhancements across Microsoft 365, Teams, Copilot, Viva, SharePoint, OneDrive, Outlook, Power Platform, Dynamics 365, and security/compliance services.

Key dates include: Windows 10/11 version end-of-servicing on October 14, 2025 and November 11, 2025; Power BI Cognitive Services retirement by September 15, 2025; SharePoint Alerts retirement by July 2026; and multiple Copilot, Teams, and AI Builder features rolling out from August to October 2025.

Important changes: new admin policies for Copilot harmful content, enhanced chat and presentation features in Copilot, streamlined Teams app management, new DLP and compliance capabilities, and updates to device OS support in Intune.

Unresolved issues: organizations must review and update permissions, policies, and documentation for several features (e.g., Teams admin changes, DLP, Copilot add-ons, and device OS requirements); admins should prepare for feature retirements and new security/compliance workflows.

 

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

August 11, 2025 – August 17, 2025

 

 

Major updates

 

Streamlined file preview experience in Microsoft 365 Copilot app for iOS

MC1136042 | August 15 – Microsoft 365 Copilot iOS app will offer file previews and Copilot Chat for Word, Excel, and PowerPoint files starting September 15, 2025, on iPhone, with editing moved to standalone apps. Similar updates will follow for iPad. Users will see prompts to install or open standalone apps for editing.
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Manager insights now in Viva Insights web app, with new team view for Copilot Dashboard

MC1136039 | August 15 – Manager insights in the Viva Insights web app will centralize manager tools, including a team-scoped Copilot Dashboard, additional reports, delegation, and analyst-published reports. This replaces the Viva Insights Teams app manager features, rolling out worldwide from mid to late September 2025 with no admin action required.
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Reporting labels retirement in Teams admin center

MC1135399 | August 14 – Starting September 15, 2025, Teams Admin Center will retire Reporting Labels, replacing it with a unified upload page for managing building and endpoint data for Call Analytics and Call Quality Dashboard. This simplifies data handling, with rollout from early to mid-September 2025 worldwide and GCC.
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(Updated) Realtime voice is now available in M365 Copilot Chat and M365 Copilot

MC1085684 | August 14 – Microsoft 365 Copilot now supports realtime voice chat globally starting mid-August 2025, enabling hands-free, natural interaction. A voice chat icon appears by default in the input box across platforms, requiring no admin setup. Users can brainstorm, explore, and search with voice, enhancing productivity and accessibility.
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60-Day Reminder: Windows 10, version 22H2 will reach end of servicing on October 14, 2025

MC1135159 | August 14 – On October 14, 2025, Windows 10, version 22H2 (Home, Pro, Enterprise, View more

(Updated) Microsoft 365 Copilot can generate an audio overview of documents, meetings, and files

MC1061100 | August 14 – Microsoft 365 Copilot will generate podcast-style audio overviews of documents, meetings, and files, available in OneDrive, Teams, Word, and Copilot Notebooks starting May 2025 (English only). Users can customize speaker style and length. Features require a Copilot license and rollout varies by app and platform.
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Security Update: New Authentication Requirements for integration with Microsoft Teams PowerShell Module

MC1134747 | August 13 – Microsoft Teams PowerShell Module requires updated application permissions—RoleManagement.Read.Directory and GroupMember.Read.All—for Entra app authentication starting September 15, 2025. Organizations must review and update these permissions in Entra ID to avoid service disruption. No changes needed for delegated permissions.
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Microsoft Teams: Private channels increased limits and transition to group compliance

MC1134737 | August 13 – Microsoft Teams is enhancing private channels by increasing limits to 1000 channels per team and 5000 members per channel, enabling meetings, and shifting compliance policies from user mailboxes to team group mailboxes. Migration starts late September 2025; admins must update policies by September 20, 2025.
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(Updated) Important Update: Teams Meeting Join URL Validation

MC1120871 | August 13 – Microsoft Teams will validate meeting join URLs starting September 30, 2025 (November 30 for GCC/DoD) to prevent altered links from being used or flagged as malicious. Safe Links is unaffected, but third-party security products rewriting join URLs must exclude them to avoid blocking meeting access. No admin action needed for Safe Links users.
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(Updated) SharePoint Alerts retirement

MC1072889 | August 13 – Microsoft is retiring SharePoint Alerts by July 2026, phasing out new alert creation starting January 2026 and expiring existing alerts after 30 days from October 2025. Users should transition to Power Automate or SharePoint Rules. Admins should assess impact and update training and support accordingly.
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(Updated) Microsoft Teams admin center: App centric management for app installation and changes to app setup policies

MC795355 | August 13 – Microsoft Teams will introduce app centric management for admin app installation, replacing “Installed apps” in app setup policies. Rollout begins late July 2024 in phases, enabling admins to install apps for users, groups, or all users with immediate access. Multiple app setup policies will install apps cumulatively post-rollout.
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Update: Microsoft 365 and Microsoft Teams: Unified management of Teams apps in Teams, Outlook, and the Microsoft 365 app

MC796790 | August 13 – Starting June 2024, Microsoft will unify Teams app management across Teams, Outlook, and the Microsoft 365 app, consolidating settings in both Microsoft 365 and Teams admin centers. This rollout occurs in phases beginning January 2025, synchronizing app availability, installation, and policies across all platforms for streamlined administration.
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(Updated) Microsoft Copilot in Teams: Visual Insight for intelligent recap

MC1115314 | August 13 – Microsoft decided not to proceed with the planned update for Copilot in Teams that would include shared-screen content in intelligent meeting recaps. The feature, requiring a Microsoft 365 Copilot license, will not be released now, and no admin action is needed.
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(Updated) Whiteboard: existing Azure board migration to ODB storage

MC677236 | August 12 – The migration of existing Whiteboards from Azure to OneDrive storage began in December 2024 and will complete by late August 2025. Users must launch Whiteboard clients to trigger migration, which improves features, performance, and security. Admins can monitor migration status via PowerShell. No delay is possible.
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The August 2025 Windows security update is now available

MC1133897 | August 12 – The August2025 security update is now available for all supported versions of Windows. We recommend that you install these updates promptly. For more information about the contents of this update, see the release notes, which are easily accessible from theWindows 11 andWindows…
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(Updated) OneDrive: Prompt for permitted users to sign in to OneDrive app with personal Microsoft account

MC1075910 | August 12 – Starting mid-July 2025, OneDrive will prompt users on corporate Windows devices to sign in to the app with their personal Microsoft account if already signed in on the device. This prompt does not merge files or accounts and can be disabled by administrators via policy.
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Additional updates

 

AI Builder – Optimize AI-driven outcomes with prompt evaluations

MC1136345 | August 16 – We are announcing the ability to optimize AI-driven outcomes with prompt evaluations in AI Builder. This feature will reach general availability on September 15, 2025. How does this affect me? This feature enables you to build a test suite to check your prompt performance across different stages of prompt development. As you create or refine prompts, the feature analyzes the prompt structure, language, and relevance to the task. It assigns a confidence score to…
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AI Builder – Enhance document processing efficiency with an agent

MC1136344 | August 16 – We are announcing the ability to enhance document processing efficiency with an agent in AI Builder. This feature will reach general availability on September 15, 2025. How does this affect me? This feature enables you to utilize a document processing agent to enhance business workflows by automating the collection, extraction, categorization, and validation of data from diverse document types. The document processing agent includes preconfigured flows and a validation…
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AI Builder – Review AI generated content with validation station

MC1136343 | August 16 – We are announcing the ability to review AI prompts, inputs, and responses with validation station in AI Builder. This feature will reach general availability on September 15, 2025. How does this affect me? When users send feedback on AI generated content, makers use that feedback to provide a more accurate response. The validation station is a human-in-the-loop feature that allows users to provide feedback, provides makers notifications when feedback is available, and…
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AI Builder – Enhance automated document processing with validation station

MC1136342 | August 16 – We are announcing the ability to review, verify, and correct data extracted from documents before final submission or integration using the validation station in AI Builder. This feature will reach general availability on September 15, 2025. How does this affect me? With this feature, the validation station will display data from extracted invoices, receipts, contracts, or other documents in a user-friendly interface which highlights low confidence scores or potential…
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AI Builder – Process documents with Copilot prompts

MC1136339 | August 16 – We are announcing the ability to use prompts in Copilot agents to extract and augment information from documents in AI Builder. This feature will reach general availability on September 15, 2025. How does this affect me? With this feature, you can extract and augment information from documents in AI Builder. Supported image and document types: .PNG .JPG JPEG .PDF What action do I need to take?…
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Power Platform – Information about an update to how Dataverse system jobs can be deleted

MC1136058 | August 15 – We are announcing an update to how Dataverse system jobs can be deleted. This update will allow you to comply with your record retention policy and can help to improve overall system performance in Dataverse. This update will be made generally available starting on August 14, 2025, and will be fully available in all regions by September 15, 2025.How does this affect me?This update will introduce a new deletion service which will automatically delete completed system jobs. It…
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Microsoft 365 admin center: New usage intensity and host apps metrics available in Copilot Chat usage report

MC1136041 | August 15 – New Microsoft 365 admin center metrics track Copilot Chat usage intensity and app-specific engagement for users without Copilot licenses across Word, Excel, PowerPoint, and OneNote. Available worldwide from mid-August 2025, these daily-updated metrics enhance adoption reporting and impact existing custom reports.
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Live events using Microsoft Teams town hall in Viva Engage

MC1136040 | August 15 – Microsoft is rolling out an enhanced Teams town hall experience in Viva Engage for live events starting September 2025. Community admins can choose between the new Teams town hall and legacy live events, offering higher-quality, large-scale event broadcasting with no required admin configuration.
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Engage Storyline and post enhancements: cover photos, drafts, AMAs, and more

MC1136036 | August 15 – Viva Engage Storyline enhancements launching late September to October 2025 include cover photos, featured posts, post drafting and scheduling, AMA sessions, and delegate posting. These default-on features improve personalization, planning, interaction, and communication engagement without requiring admin action.
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Gen AI capabilities in the Create module of Microsoft 365 Copilot app coming to all Copilot Chat users

MC1136035 | August 15 – Microsoft 365 Copilot’s Create module now offers generative AI image and visual content creation to all Copilot Chat users without a license, with standard access and existing admin controls applying. Video, survey, and brand kit features remain restricted. Rollout began mid-August for desktop, with mobile following in October 2025.
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Updated: Microsoft Purview | Data Lifecycle Management: New secure workflow to bypass legal holds and retention policies

MC971035 | August 15 – Microsoft postponed the rollout of a new Microsoft Purview feature allowing administrators to bypass retention and legal holds for urgent data deletion. The feature includes strict safeguards, multiple approvals, and a new “Priority cleanup administrator” role, with rollout initially planned for early 2025.
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(Updated) Microsoft Loop – Admin Usage Reports

MC929020 | August 15 – Microsoft has decided not to proceed with the planned update for Microsoft Loop admin usage reports. Loop usage can still be monitored through existing Microsoft 365 admin usage dashboards. No action is needed from administrators, and updates will be communicated via Message center when ready.
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(Updated) Microsoft 365 Copilot: The chat experience will offer better search refinement in the CIQ menu “Files” tab

MC1048631 | August 15 – Microsoft 365 Copilot’s chat will soon include File type and People filters in the CIQ menu’s Files tab for improved search refinement. The rollout starts late August 2025, completing by mid-September, requiring no admin action. A Microsoft 365 Copilot license is needed to use this feature.
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An updated version of the August 2025 Scan Cab is available

MC1135775 | August 15 – IMPORTANT: This notice is only relevant for environments where:Windows Server Update Services (WSUS) is used to deploy Windows security updates to Windows 11, version 24H2 devices.Scan Cab is used to check for update complianceThe August 2025 Scan Cab was…
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(Updated) Microsoft Purview: New Purview Data Security Investigations (DSI) solution

MC1047912 | August 15 – Microsoft Purview Data Security Investigations (DSI) is an AI-powered solution launching in public preview April-May 2025 and general availability October 2025. It helps security teams identify, analyze, and mitigate data risks across Microsoft 365 with deep content analysis, investigation insights, and secure collaboration.
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(Updated) Microsoft Teams | New in Admin Center: Self-Serve Fixes for Porting Rejections

MC1119404 | August 15 – Microsoft Teams Admin Center will roll out a self-service feature by late August 2025 allowing Teams Phone admins to fix and resubmit certain rejected porting orders without contacting support. Notifications and prompts guide admins through corrections using the existing porting wizard. Complex cases still require Microsoft support.
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(Updated) Microsoft Purview | eDiscovery cmdlet connectivity change

MC1131771 | August 15 – Starting August 31, 2025, running certain Microsoft Purview eDiscovery cmdlets requires Exchange Online PowerShell v3.9.0+ and the -EnableSearchOnlySession flag with Connect-IPPSSession. This change does not affect portal users and remains incompatible with Certificate-Based Authentication. Update scripts accordingly.
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Unified conversations: Streamlined chat history view

MC1135398 | August 14 – Microsoft 365 will introduce a unified chat history by August 2025, consolidating all conversations into a single list for improved continuity and ease of use. This default feature requires no admin action but may need user support and documentation updates. No compliance issues identified.
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Noise suppression for dial-in participants in Teams audio conferences

MC1135397 | August 14 – Microsoft Teams will introduce automatic noise suppression for PSTN dial-in participants starting September 2025, improving audio clarity by reducing background noise. The feature is enabled by default, requires no admin action for rollout, but admins can enable it early via policy or PowerShell. Users cannot control this setting.
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Microsoft Teams | Manage voice and face recognition for rooms (MTR-W/MTRA) via device settings

MC1135396 | August 14 – Microsoft Teams Rooms will introduce a simplified UI in the Teams Pro Management Portal and on devices for managing voice and face recognition, replacing PowerShell configuration. Voice recognition will be off by default. Rollout begins September 2025 for Windows (4.19+) and Android (3.6+) devices, excluding Surface Hub and Teams displays. Enrollment requires user consent and is done on-device.
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(Updated) Power BI Cognitive Services and Azure Machine Learning features retiring; transition to Fabric AI services

MC1124567 | August 14 – Power BI is retiring Cognitive Services and Azure Machine Learning features between August 11 and September 15, 2025. New model creation is disabled from August 11; existing models refresh until September 15, after which support ends. Users should transition to Fabric AI services and update documentation accordingly.
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(Updated) Microsoft Copilot: filter chat history for easier context recall

MC1134741 | August 14 – Microsoft Copilot will add a chat history filtering feature starting late August 2025, enabling users to quickly find relevant past conversations. The feature is on by default, requires no admin setup, and aims to improve navigation and context recall in Copilot chats.
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(Updated) Microsoft 365 admin center: New Multi-admin notifications for Microsoft 365 Backup

MC1102791 | August 14 – Microsoft 365 Backup will introduce Multi-admin notifications starting late August 2025, allowing centralized email alerts for key backup events to designated admins. Users can configure notification lists by admin roles or custom groups. No action is needed before rollout, but configuration is required to activate notifications.
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(Updated) Microsoft SharePoint: Updated Page Analytics

MC1069561 | August 14 – Microsoft SharePoint Page Analytics will be upgraded starting September 2025 for News posts, adding features like 365-day data, distribution channel breakdown, new metrics (Reactions, Promotions), data export, audience calculation, chart image copying, and a modern design. No admin action is required.
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60-Day Reminder: Windows 11, version 22H2 (Enterprise & Education editions) will reach end of servicing on October 14

MC1135160 | August 14 – On October 14, 2025, Windows 11, version 22H2 (Enterprise,Education, andIoT…
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Windows Office Hours: August 21, 2025

MC1135158 | August 14 – If you are an IT admin with questions about managing and updating Windows, we want to help. Every third Thursday of the month, we host a live chat-based event on the Tech Community called Windows Office Hours. Members of the Windows, MicrosoftIntune, Windows Autopilot, Windows Autopatch, and Windows 365 engineering teams will be standing by to answer your questions. We also have experts from FastTrack, the Customer Acceleration Team, and Microsoft public sector…
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(Updated) Microsoft OneDrive and Microsoft SharePoint: Use the table of contents in a PDF to navigate

MC1077863 | August 14 – Starting mid-July to mid-September 2025, OneDrive and SharePoint Online will display a PDF’s table of contents for easy navigation. Users can jump to sections directly, with the feature enabled by default and no admin action needed. Some users may see it earlier.
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(Updated) Microsoft SharePoint and Microsoft OneDrive: New PDF compression feature

MC1061109 | August 14 – Microsoft is rolling out a new PDF compression feature in OneDrive and SharePoint starting July 2025, allowing users to reduce PDF file sizes with three compression levels. The feature is automatic, supports files under 300 MB, and maintains visual quality using lossy compression and chroma subsampling.
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Microsoft Purview | Data Loss Prevention: Support for Microsoft Fabric lakehouses & KQL and mirrored databases (preview

MC1050193 | August 14 – Microsoft Purview Data Loss Prevention (DLP) now supports Microsoft Fabric lakehouses, KQL, and mirrored databases. Public preview began October 2024; full rollout completes by September 2025. DLP policies will automatically apply to these Fabric assets, requiring no admin action unless policy scope changes are needed.
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(Updated) Microsoft Defender for Office 365: Ability to Disagree with admin submissions analysis

MC1108843 | August 14 – Microsoft Defender for Office 365 now lets admins dispute submission results directly in the portal to flag false positives or negatives, improving detection accuracy without support tickets. This feature, enabled by default, will roll out worldwide from late August to late September 2025.
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(Updated) Security hardening for Microsoft RPC Netlogon protocol

MC1113050 | August 14 – (Update: This post was updated to clarify that thechange was Enabled by Default on Windows Server 2025 in May 2025 and to add information about how to configure this change.)Microsoft has introduced a hardening change to strengthen theMicrosoft RPC Netlogon protocolby…
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Build and analyze surveys with Surveys Agent in Microsoft 365 Copilot

MC1134742 | August 13 – Surveys Agent in Microsoft 365 Copilot enables users to create, distribute, and analyze surveys via chat, powered by Microsoft Forms. Launching mid-August 2025 (preview) and September 2025 (general), it is off by default and requires admin configuration and licensing for access.
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Streamlining SMS campaign approvals in Teams admin center

MC1134740 | August 13 – Microsoft Teams Calling Plans SMS now offers self-service campaign rejection handling, a proactive Microsoft validation layer, and clearer status updates like “Customer Update Pending.” Admins can view rejection reasons, resubmit campaigns up to four times, and manage approvals directly in the Teams Admin Center, improving transparency and efficiency.
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New request and approval experience for Microsoft agents in the Microsoft 365 admin center

MC1134738 | August 13 – Microsoft 365 admin center introduces a new request and approval system for agent access, allowing users to request agents directly from the Agent Store. Admins can centrally manage and control approvals via the Copilot > Agents & connectors page. Rollout starts mid-August through early September, with no setup needed.
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Quarantine experience update in Microsoft Defender and Exchange Online: Restore temporarily deleted items

MC1134736 | August 13 – Microsoft Defender and Exchange Online will allow users to view and restore temporarily deleted quarantine messages starting mid-August 2025 (worldwide). This feature is on by default, requires no configuration, and helps improve message recovery without affecting permanently deleted items.
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(Updated) Microsoft Viva | New Microsoft Graph APIs for Viva Engage role management

MC1115983 | August 13 – Microsoft is releasing new Viva Engage role management APIs in Microsoft Graph (beta) for IT admins to automate and manage roles like Corporate Communicator and Network Administrator. Rollout starts September 2025, enhancing programmatic control without changing the UI. No immediate action required; testing and feedback encouraged.
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(Updated) Microsoft 365 Copilot | New admin policy for harmful content access in Microsoft 365 Copilot

MC1133507 | August 13 – Microsoft 365 Copilot introduces a new admin policy allowing specific users, like legal or compliance teams, to access harmful content in Copilot Chat. This feature, off by default, requires explicit assignment and lets users disable harmful content protection per conversation. Rollout begins September 2025.
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(Updated) Microsoft 365 Copilot | Reference an Excel file when creating a slide with PowerPoint

MC1130389 | August 13 – Microsoft 365 Copilot for PowerPoint will allow users to reference one Excel file stored in OneDrive when creating slides, enabling data-driven presentations with charts or tables. Rolling out August–September 2025, it requires a Copilot add-on license and works on web, Win32, and Mac platforms without admin setup.
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(Updated) Microsoft 365 Copilot | Reference a PDF file when creating a slide with PowerPoint

MC1130390 | August 13 – Microsoft 365 Copilot in PowerPoint will support referencing text-based PDFs from OneDrive or SharePoint to create slides, rolling out August–September 2025. This feature requires the Copilot add-on, works across platforms, and needs no admin action. Users can control generated slides and should be informed about this update.
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(Updated) Microsoft 365 Copilot: Enhanced presentation creation quality

MC1125486 | August 13 – Microsoft 365 Copilot will enhance presentation creation with improved content depth, narrative flow, structure, and design, saving presentations to OneDrive. The update rolls out worldwide from mid to late August 2025, requires no admin action, and has some limitations like no template selection at launch.
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(Updated) Microsoft Loop – Departed User Content Workflows for User-Owned Loop workspaces

MC929014 | August 13 – Microsoft will roll out retention and deletion management for user-owned Loop workspaces, including Copilot Pages, starting November 2025. Admins can grant temporary access to save data before deletion when users leave. No preparation is needed; the update will apply automatically.
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(Updated) Microsoft Loop – User Accessible Recycle Bin for Loop workspaces

MC929021 | August 13 – Microsoft Loop will add a user-accessible recycle bin for workspaces, allowing owners to restore deleted workspaces. The rollout starts early March 2026 and completes by late March 2026, delayed from the original September 2025 timeline. No preparation is needed from users.
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(Updated) Microsoft Purview | Experience enhancements to IRM alert workflow

MC1124562 | August 13 – Microsoft Purview Insider Risk Management alert workflow is enhanced to improve usability by reducing clutter and maximizing visual space. Updates include default opening of Activity Explorer, relocated alert details and actions, and adjustable panels. Rollout begins September 2025, enabled by default for licensed tenants, with no admin action needed.
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Microsoft Purview | Data Loss Prevention: New data protection in Microsoft Edge for Business on unmanaged devices

MC1045278 | August 13 – Microsoft Purview Data Loss Prevention will integrate with Microsoft Edge for Business on unmanaged Windows and Mac devices to protect data shared with Entra-managed cloud apps. Public preview starts late May 2025; general availability begins late August 2025. Admins can configure policies to block or audit sensitive data activities.
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(Updated) New Tenant-level Service Plan in Viva Suite SKU

MC1115981 | August 13 – Microsoft is introducing a new tenant-level service plan, Insights by MyAnalytics Backend, starting late September 2025 to support existing user-level MyAnalytics plans. It will appear in the admin center as enabled but non-assignable, with no changes to user features, SKUs, or compliance requirements.
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90-Day Reminder: Windows 11, version 23H2 (Home and Pro editions) will reach end of servicing on November 11, 2025

MC1134566 | August 13 – On November 11, 2025, Windows 11, version 23H2 (Home andPro editions) will reachend of…
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Dynamics 365 Project Operations – Enable contract line default financial dimensions for expenses

MC1134563 | August 13 – We are announcing the ability to apply dimension defaulting configuration rules to automatically get financial dimensions from contract lines or the related project for expense lines in Dynamics 365 Project Operations. This feature will reach general availability on September 12, 2025. How does this affect me? This capability builds on the existing Enable flexibility when determining financial dimension defaults (For…
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(Updated) Microsoft Purview compliance portal: Enhanced Metadata Scanning for Images in Exchange DLP

MC1108129 | August 13 – Microsoft Purview DLP will enhance data protection by scanning sensitive data in image metadata when OCR is unavailable. Rolling out worldwide from mid-July to late September 2025, this feature activates automatically without admin action, expanding DLP coverage and potentially affecting compliance reporting.
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(Updated) Microsoft Loop – Require Existing Microsoft 365 Group for New Loop workspaces

MC929022 | August 13 – Starting late November to December 2025, admins can require new Microsoft Loop workspaces to be connected to existing Microsoft 365 Groups for management, similar to SharePoint Team sites. This policy may affect scenarios like Teams meeting content aggregation and short-term projects. No preparation is needed.
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Microsoft Teams | External Audio and Camera Device Selection on iPads

MC1134182 | August 12 – Microsoft Teams on iPad now allows muting external audio devices and switching cameras via a long press on the camera icon. These features, rolling out now and enabled by default, enhance meeting control without requiring admin setup. Users should update their Teams app to access them.
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Meeting Search in MS Teams Desktop

MC1134180 | August 12 – Microsoft Teams Desktop will enhance meeting search by allowing users to find meetings by title or participant, join meetings, view recaps, RSVP, and access related chats and files. Features include a “Meeting” search filter and a dedicated tab, rolling out August 2025 with no admin action needed.
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Enhancement to Copilot studio agents report

MC1134179 | August 12 – The Copilot Studio agents report will enhance insights with weekly data aggregation and active user counts, enabling faster performance monitoring. Public preview starts late August 2025; general availability by mid-October 2025. Existing monthly reports remain unchanged; no immediate admin action required. Training updates recommended.
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Microsoft Teams: “Summarize thread” replaces “Highlights from this conversation” in post/reply channels

MC1134178 | August 12 – Microsoft Teams will replace “Highlights from this conversation” with “Summarize Thread” in post/reply channels starting mid-August 2025. This new feature, enabled by default, summarizes conversations over 1000 characters for a consistent experience across channels, requiring no admin setup. Inform users and update training accordingly.
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Outlook for iOS and Android: Send button relocated to reduce accidental sends

MC1134176 | August 12 – The Send button in Outlook mobile (iOS and Android) will move from the bottom toolbar to the top header in the compose view to reduce accidental sends. This change, rolling out from September 2025 to March 2026, is enabled by default and does not affect desktop or web clients.
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Outlook Mobile for iOS and Android: Draft messages now minimize automatically when closed

MC1134174 | August 12 – Outlook Mobile will automatically minimize draft messages when closed, allowing quick resumption via a button in the message list. This rollout starts September 2025, requires no admin action, and aims to improve draft handling and user productivity. Inform users and update documentation accordingly.
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Microsoft 365 Copilot: Source controls for Researcher Agent

MC1134173 | August 12 – Microsoft 365 Copilot’s Researcher Agent will gain Source Controls starting late August 2025, allowing licensed users to select specific sources (Web, Work, Graph entities) for research. This feature appears across Copilot apps, requires no admin action, and respects existing admin settings; connector support will come later.
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[Copilot Extensibility] Admins can manage ownerless Copilot agents with new lifecycle controls

MC1134170 | August 12 – Admins will gain lifecycle controls to identify, review, delete, or block ownerless Copilot agents created by departed users, improving security and governance. The feature rolls out globally from late August to mid-September 2025, with owner assignment for agents coming in October. No prior configuration is needed.
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Teams app versions 1.12 and earlier will no longer appear in Microsoft 365 admin center

MC1134169 | August 12 – Teams apps version 1.12 and earlier will be removed from the Microsoft 365 admin center’s Integrated apps view starting late August 2025 but remain fully manageable in the Teams admin center. No action is required, and user experience remains unchanged.
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Updates available for Microsoft 365 Apps for all channels

MC1134166 | August 12 – We’ve released updates to the following update channels for Microsoft 365 Apps: Current Channel Monthly Enterprise Channel Semi-Annual Enterprise Channel (Preview) Semi-Annual Enterprise Channel
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Microsoft Copilot Studio – Inactive agent sessions will now end after 15 minutes of inactivity

MC1134084 | August 12 – Beginning August 4, 2025, agent sessions that have been inactive for 15 minutes will automatically be closed. Previously, these sessions were closed after 36 minutes of inactivity. How does this affect me? The automatic time-out threshold for inactive agent sessions is being reduced from 36 minutes, down to 15 minutes. This change will enhance service performance and improve analytics by making data from inactive sessions available sooner. What action do I need…
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(Updated) Microsoft Outlook: Copilot chat now available to summarize emails for more users

MC1124564 | August 12 – Microsoft Outlook will roll out a Copilot chat feature to summarize email threads with one click, available to users with Copilot chat pinned, even without a Copilot license. Deployment starts late August 2025, is on by default, and admins can manage access via policies and Entra ID groups.
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(Updated) Microsoft Places: Graph API support for directory objects

MC1133514 | August 12 – Microsoft Graph API now supports full CRUD operations for Microsoft Places directory objects, enabling programmatic management of buildings, floors, rooms, and desks. Available worldwide, this update helps organizations integrate and maintain location data efficiently, especially when using third-party systems. No immediate impact by default.
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(Updated) Microsoft Teams: First run experience and prompting users to release previous reservations

MC1106876 | August 12 – Starting mid-August 2025, Microsoft Teams will notify users with multiple desk reservations to release previous ones and introduce a first run experience explaining these notifications. This applies to bookable desks and desk pools, requires no admin action, and is available to all users, with cancellation features for Teams Premium users.
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(Updated) Microsoft Teams | Know Your Customer (KYC) onboarding required for new phone number requests

MC1117815 | August 12 – Starting August 2025, Teams admins must complete a one-time KYC onboarding in the Teams Admin Center with business info and documents before provisioning new phone numbers. This global process protects against misuse, does not affect existing numbers, and supports role-based access control via Entra ID.
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Microsoft Dataverse – Manage system views with security roles

MC1134006 | August 12 – We are announcing the ability to manage system views with security roles in Microsoft Dataverse. This feature will reach general availability on August 18, 2025. How does this affect me? With this feature, admins can select the appropriate system views for their respective users by security role. Users with the selected security roles will only see the system views that were shared with their security role. What action do I need to take? This message is…
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Dynamics 365 Project Operations – Post expenses on the expense report posting date

MC1133900 | August 12 – We are announcing the ability to post expenses on the expense report posting date instead of the transaction date in Dynamics 365 Project Operations. This feature will reach general availability on September 12, 2025. How does this affect me? This feature provides a parameter (Enable posting of expenses on posting date) that, when enabled, allows businesses to post expense transactions on the posting date instead of…
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PowerShell 2.0 removal in Windows

MC1133898 | August 12 – Windows PowerShell 2.0 is removed from Windows 11, version 24H2 starting with the August 2025 non-security update. It’s also removed from Windows Server 2025 starting with the September 2025 security update. Windows Insider preview builds already reflect this change as of July 2025. Windows PowerShell 2.0 is over 14 years old, lacks many security enhancements of the later versions, and has been deprecated since 2017. By using the newer and supported PowerShell 7 or PowerShell 5.1, you can…
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(Updated) Microsoft 365 Copilot: Select Microsoft SharePoint sites when writing prompts

MC973505 | August 12 – Microsoft 365 Copilot will soon allow users to select SharePoint sites via Context IQ when writing prompts. The feature requires a Copilot license and will roll out globally from late July to mid-August 2025, with no admin action needed. Users see only accessible sites in their prompts.
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Dynamics 365 Project Operations – Edit per diem transaction date, exchange rate in expense management

MC1133875 | August 12 – We are announcing the ability to edit transaction dates and exchange rates for per diem expenses to improve flexibility and accuracy in expense reporting, in Dynamics 365 Project Operations. This feature will reach general availability on September 12, 2025.How does this affect me?This capability will enable users to manually edit the transaction date for per diem expenses. The modified information will be utilized in subsequent expense-related calculations and…
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Modern SharePoint: New Template gallery and 50+ out-of-the-box page templates

MC1069560 | August 12 – Microsoft SharePoint will introduce a centralized Template gallery with 50+ new out-of-the-box page templates to streamline content creation and enhance visual consistency. Rolling out mid-June to late September 2025, this feature requires no admin action but users should be informed to maximize its benefits.
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Dynamics 365 Project Operations – Enable number sequences in expense management

MC1133868 | August 12 – We are announcing the ability to enable number sequences in expense management in Dynamics 365 Project Operations. This feature will reach general availability on September 12, 2025.How does this affect me?This feature will introduce a new tab on the expense management parameters page, allowing users to assign number sequences directly. Additionally, users will be able to manage number sequences within the module itself, rather than having to access and modify the number…
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(Updated) Microsoft Outlook for Android: Updated conversation actions

MC1068902 | August 12 – Microsoft Outlook for Android will move conversation actions from the top right to a customizable toolbar at the bottom of the reading pane, rolling out from July to early September 2025. This change improves consistency and requires no admin action, but user notification is recommended.
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Emoji Reactions Workflows in Microsoft Teams

MC1133511 | August 11 – Microsoft Teams will enable triggering workflows via emoji reactions using the Workflows app, streamlining task automation. Available from late July 2025, this feature requires the Workflows app enabled and not blocked by DLP policies. Admins should review settings and raise user awareness to prepare.
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Microsoft Teams Integration with Microsoft Defender for Office Tenant Allow/Block List for blocking domains

MC1133508 | August 11 – Microsoft Teams now integrates with Microsoft Defender for Office 365 Tenant Allow/Block List, enabling security admins to centrally manage blocked external domains in Teams. This blocks communications from those domains, supports audit logging, and requires Teams admins to enable security team access. Rollout begins mid-August 2025.
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Plan for Change: Intune moving to support macOS 14 and higher later this year

MC1133503 | August 11 – Intune will support macOS 14 (Sonoma) and later after macOS Tahoe 26 release this year. Existing devices on macOS 13.x or below remain enrolled but new enrollments require macOS 14+. Organizations should identify and upgrade devices running older macOS versions to maintain support.
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Plan for Change: Intune moving to support iOS/iPadOS 17 and higher later this year

MC1133502 | August 11 – Microsoft Intune will require iOS/iPadOS 17 or higher after Apple’s iOS/iPadOS 26 release later this year. Organizations should check device compatibility and Intune reports to identify affected devices. Userless devices via Automated Device Enrollment have specific OS version requirements. Use Intune controls to manage OS versions.
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(Updated) Updates to user and group assignment views on the Microsoft Admin Center

MC1102762 | August 11 – Microsoft Admin Center will update product licensing pages by late September 2025, separating direct license assignments (User tab) from group-based assignments (Groups tab) to improve clarity and performance. Admins should update documentation and training to reflect this new layout.
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(Updated) New Feature: Account Manager in Outlook for Windows

MC1129718 | August 11 – Outlook for Windows will introduce a new Account Manager in October 2025, displaying profile pictures, enabling account management and switching (if allowed), and providing quick access to Microsoft account details. The feature is on by default and requires no admin action.
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Microsoft Purview | Data Loss Prevention: Restrict Microsoft 365 Copilot from processing emails with sensitivity labels

MC1088731 | August 11 – Microsoft Purview Data Loss Prevention will soon restrict Microsoft 365 Copilot from processing emails labeled with sensitivity starting January 1, 2025. The feature rolls out June to September 2025, requires no Copilot license, and allows admins to create or extend DLP policies via the Purview portal automatically.
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(Updated) Microsoft Viva Insights: People Skills insights for analysts

MC1075900 | August 11 – Microsoft Viva Insights will introduce the Skills landscape report in Power BI, enabling analysts to explore organizational People Skills data, identify skill gaps, and optimize workforce distribution. Public preview starts late June 2025; general availability begins late August 2025. Setup requires enabling People Skills data in Viva Insights.
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(Updated) Microsoft Edge: AI-powered History search now available

MC1130387 | August 11 – Microsoft Edge will roll out AI-powered History search from late August to late September 2025, enabling semantic search of browsing history using an on-device AI model. The feature is on by default, controlled by a toggle and admin policy, available on Windows desktop only, with no data sent to Microsoft.
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Power Automate – Debug desktop flows using step over and step out

MC1133391 | August 11 – We are announcing the ability to debug desktop flows using step over and step out in Power Automate. This feature will reach general availability on September 10, 2025.How does this affect me?Users can enable this feature from the Tools menu while in the designer within Power Automate for desktop. Once enabled, new buttons for the following functionality will appear in the debugger toolbar.Step over: This allows users to skip sub-flows without entering them so…
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(Updated) New feature in Microsoft Viva Pulse to enable delegation

MC1104314 | August 11 – Microsoft Viva Pulse will introduce delegation starting mid-August 2025, allowing users to assign delegates to manage Pulse surveys on their behalf. Delegates can create, send, and view surveys and reports but cannot access confidential conversations or share reports. Admins can control delegation settings centrally.
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(Updated) Microsoft Viva Insights: New prompt categories in the Microsoft Copilot Dashboard

MC1092459 | August 11 – Microsoft Viva Insights will add new prompt categories—Ask and find, Catch up, Draft and brainstorm, Other—to the Microsoft Copilot Dashboard by late October 2025. These will appear in Adoption and Impact tabs, require no admin action, and help track Copilot Chat usage metrics.
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(Updated) Researcher in Copilot Notebooks

MC1099685 | August 11 – The Researcher Agent is being integrated into Copilot Notebooks, enabling complex, multi-step research across enterprise data using OpenAI’s model. Rollout starts late August 2025, completing by late September. The feature is on by default for eligible tenants, enhancing research workflows without requiring user action.
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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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