Welcome to my Blog about Microsoft Office 365 and other technologies ! – Technology is just a tool. People need to be creative to be more productive on a daily basis. (by Nuno Árias Silva)
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 420th 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 Microsoft service updates from June 16, 2025, to June 22, 2025.
Major updates include the retirement of support for SharePoint Framework Field Customizers in Lists and Document Libraries, and a limit on the number of users or groups that can be added to workspace roles in Fabric and Power BI.
Microsoft Outlook for Mac will retire the admin preference to switch to legacy Outlook starting mid-August 2025.
Microsoft 365 Copilot will no longer pre-install the Visual Creator agent starting mid-July 2025.
The Researcher agent in the Microsoft 365 Copilot Prompt Box will be generally available starting July 18, 2025.
Microsoft 365 will update default settings to enhance security by blocking legacy authentication protocols starting mid-July 2025.
Microsoft Entra ID will expand the passkey authentication methods policy to support passkey profiles in public preview starting mid-October 2025.
Additional updates include enhancements to Microsoft Teams, Microsoft Copilot, Microsoft Defender for Office 365, Microsoft SharePoint, and Microsoft PowerPoint.
Important dates include mid-August 2025 for Outlook for Mac changes, July 18, 2025, for the Researcher agent availability, and mid-July 2025 for security updates.
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.
Message center announcements
June 16, 2025 – June 22, 2025
TEST_TEST_NUNOSILVA_TEST
Major updates
(Updated) Support Update for SharePoint Framework Field Customizers in Lists and Document Libraries
MC1094051 | June 20 – Support for SharePoint Framework (SPFx) Field Customizers in Lists and Document Libraries will be retired. Alternatives like Column Formatters are recommended for better performance. The timeline is being assessed, and organizations should plan their transition. Other SPFx extensions will continue to function. No immediate impact is expected. View more
Limit on number of users or groups that can be added to workspace roles in Fabric and Power BI
MC1098946 | June 19 – Microsoft Fabric will limit workspace roles to 1,000 users or groups from August 1 to August 31, 2025. Overlimit workspaces can’t add more users/groups until under the limit. Admins should consolidate access and use provided APIs to manage workspaces. View more
Microsoft Outlook for Mac desktop: Retiring the admin preference to switch to legacy Outlook
MC1098932 | June 19 – Microsoft Outlook for Mac will retire the admin preference to switch to legacy Outlook starting mid-August 2025. The New Outlook will become the default for users in the Current Channel, and switching back to Legacy Outlook will be disabled by mid-October 2025. Users should update training materials and notify users of the change. View more
Microsoft 365 Copilot: Visual Creator Agent will no longer be pre-installed
MC1098165 | June 18 – Microsoft will no longer pre-install the Visual Creator agent in Microsoft 365 Copilot Chat starting mid-July 2025. Users can still generate images in Copilot Chat and use the Create experience for broader content creation. No admin action is required, but notifying users and updating documentation is recommended. View more
Researcher on M365 Copilot Prompt Box
MC1098163 | June 18 – The Researcher agent in the Microsoft 365 Copilot Prompt Box will be generally available starting July 18, 2025. It integrates deep research capabilities into Microsoft 365 apps, enhancing efficiency for complex research tasks. No admin action is required, but management is possible via the Microsoft 365 admin center. View more
Microsoft 365 Upcoming Secure by Default Settings Changes
MC1097272 | June 18 – Microsoft 365 will update default settings to enhance security by blocking legacy authentication protocols and requiring admin consent for third-party app access. Changes start mid-July 2025 and complete by August 2025. Organizations should assess configurations, notify stakeholders, update documentation, and configure the Admin Consent workflow. View more
Microsoft Entra ID: Upcoming changes to support passkey profiles in the authentication methods policy (preview)
MC1097225 | June 17 – In November 2025, Microsoft Entra ID will expand the passkey (FIDO2) authentication methods policy to support passkey profiles in public preview, allowing group-based control over configurations. The rollout will start mid-October 2025 and complete by mid-November 2025. No admin action is required before the rollout. View more
Additional updates
Microsoft Teams: App ratings will be visible in context
MC1099693 | June 20 – Microsoft Teams will soon display app ratings in context to enhance user trust, app discoverability, and decision-making. This feature will roll out in July 2025 for targeted release and August 2025 for general availability, affecting Teams for Windows and Mac desktops. No admin action is required. View more
Microsoft Copilot: Access SharePoint agents in the Microsoft 365 Copilot app
MC1099692 | June 20 – Access recently used SharePoint agents directly within the Microsoft 365 Copilot app, starting mid-July 2025. This feature aims to reduce context switching and improve productivity. Admins can manage agents by deleting the corresponding .agent files. Update training materials and review SharePoint agent management practices. View more
Changes to case creation process in Purview portal when confirming alerts from Defender XDR portal
MC1099690 | June 20 – Insider Risk Management analysts must manually create cases in the Purview portal after confirming alerts in the Defender XDR portal. New alert-related content will be added for 30 days post-case creation. The change impacts workflows and requires training. Public Preview starts mid-June 2025, with General Availability by late September 2025. View more
Copilot Notebooks coming soon in Microsoft 365 mobile apps (iOS and Android)
MC1099689 | June 20 – Copilot Notebooks will soon be available on Microsoft 365 mobile apps for iOS and Android, enhancing mobile productivity. Users can access and interact with their notebooks, create new chats, and open pages and references. The rollout starts mid-June 2025 and completes by mid-July 2025. No admin action is required. View more
Microsoft PowerPoint: Use Microsoft 365 Copilot to rephrase text with natural language prompts
MC1099688 | June 20 – Microsoft PowerPoint will introduce a feature allowing users to rephrase text using natural language prompts via Microsoft 365 Copilot, starting July 2025. A Copilot license is required. The feature will be available on Windows, Mac, and web versions, and will be enabled by default without needing admin action. View more
Researcher in Copilot Notebooks
MC1099685 | June 20 – We’re integrating the Researcher Agent into Copilot Notebooks, enabling complex research across enterprise data sources using OpenAI’s model. This feature, available globally from late June to late July 2025, enhances in-context research workflows and will be on by default. No immediate action is required. View more
(Updated) Microsoft 365 admin center: New admins controls for Copilot Search management
MC1094049 | June 20 – New admin controls for Microsoft 365 Copilot Search will allow IT admins to configure and customize search experiences. This feature, requiring a Copilot license, will enhance information discoverability and productivity. It will roll out globally from early to mid-July 2025. No admin action is required before the rollout. View more
Microsoft Dataverse – Build Agents with Azure Databricks as your knowledge source
MC1098956 | June 20 – We are announcing the ability to connect Azure Databricks to Microsoft Power Platform to create canvas apps in Power Apps using Databricks data in a no-code way, and to use Azure Databricks as a knowledge source to ground your Copilot agents for intelligent, data-driven responses. This feature will reach general availability on July 19, 2025. How does this affect me? The new Databricks Connector that links Azure Databricks to Power Platform provides users: Canvas… View more
Microsoft Defender for Office 365: AI-powered submissions response for improved result explainability
MC1098943 | June 19 – Microsoft Defender for Office 365 is introducing AI-powered explanations for email submission results, enhancing clarity on why messages are classified as spam, phishing, or clean. This feature will roll out globally from late June to mid-July 2025 and is available by default. No admin action is required. View more
Microsoft Teams: Presenters can promote attendees to the green room
MC1098937 | June 19 – Presenters in Microsoft Teams can now promote attendees from the waiting room to the green room using the Participants roster. This update is available for Teams on Windows, Mac, and the web, and requires no admin action. Notify users and update documentation as needed. View more
Microsoft SharePoint: Header and Footer enhancements
MC1098935 | June 19 – Microsoft SharePoint is updating site headers and footers for a more modern, customizable experience, starting in July 2025. Enhancements include new design options for site owners and a cleaner view mode for site viewers. No admin action is required, but notifying users and updating documentation is recommended. View more
Microsoft Copilot Studio – Search and navigate within your agent
MC1098344 | June 19 – Starting June 27, 2025, users will be able to search and navigate within their agents using Microsoft Copilot Studio. How does this affect me? This feature makes it easy for you to instantly search and navigate to elements across your entire agent, without switching tabs or manually scanning through content. You can search across knowledge, topics, tools, skills, and entities defined in your agent, all from one place. What action do I need to… View more
Power Platform – Audit original Choice Data Type Label description public preview
MC1098185 | June 18 – We are announcing the ability to audit the original user-selected Choice Data Type label. This feature will be made available for public preview on June 30, 2025.How does this affect me?Previously, when a label description was changed in the Choice data type, the changed description was shown on existing audit records. However, if later edited, the audit record would be updated, replacing the original label.This feature allows administrators to retain the original… View more
Microsoft Teams: In-app survey feedback policies will be managed by default with Microsoft 365 Cloud Policy
MC1098174 | June 18 – Microsoft Teams in-app survey feedback policies will be managed by Microsoft 365 Cloud Policy by default, starting late June 2025. This change simplifies feedback policy management by aligning Teams with other Microsoft 365 apps. Teams for iOS and Android will continue using Teams-specific policies for now. No admin action is required before the rollout. View more
Announcing the Microsoft 365 Copilot app for Mac
MC1098168 | June 18 – Microsoft 365 Copilot app for Mac will be available for download in late June 2025. Mac users can access AI-powered tools directly from the Dock. The app does not replace the web version. Organizations should prepare communications and update documentation for users. View more
Microsoft 365 Copilot Chat: Now Easily Accessible from the Teams Chat List
MC1098161 | June 18 – Microsoft 365 Copilot Chat will be accessible from the Teams chat list for users without a Copilot license starting June 30, 2025. This new entry point simplifies navigation without changing default pinning behavior. No action is required, but informing users about this update is recommended. View more
Plan for Change: Intune moving to support iOS/iPadOS 17 and higher later this year
MC1097223 | June 17 – Intune will require iOS/iPadOS 17 and higher later this year, following the release of iOS/iPadOS 26. Organizations should check device compatibility and update accordingly. Userless devices enrolled through ADE will have specific support changes. Use Intune reporting to identify affected devices and manage OS versions. View more
Plan for Change: Intune moving to support macOS 14 and higher later this year
MC1097219 | June 17 – Intune will support macOS 14 and higher later this year, following the release of macOS Tahoe 26. Existing enrolled devices on macOS 13.x or below will remain enrolled, but new devices running these versions cannot enroll. Organizations should check Intune reporting and request users to upgrade their devices. View more
(Updated) New Microsoft Outlook for Windows: People Hub improvements
MC927963 | June 17 – The updated People Hub for new Microsoft Outlook for Windows will roll out from mid-June 2025 to mid-July 2025 for targeted release, and from mid-August 2025 to early September 2025 for general availability. It will offer a modern contact management experience with enriched profiles, auto-hidden duplicates, and new management features. No admin action is required. View more
Updates available for Microsoft 365 Apps for Current Channel
MC1097162 | June 17 – We’ve released updates to the following update channel for Microsoft 365 Apps: Current Channel View more
(Updated) New Microsoft Outlook and Outlook for the web: Admin setting for inheriting a S/MIME signature on reply
MC1072404 | June 17 – New Microsoft Outlook for Windows desktop will support an admin setting to define S/MIME signature inheritance in replies, rolling out from early July to mid-July 2025. The setting, NoSignOnReply, can be configured to inherit or not inherit S/MIME signatures. This change does not apply to Outlook for Web. No admin action is required before rollout. View more
(Updated) Text Prediction turned off by default in Outlook
MC1093235 | June 17 – Text Prediction will be turned off by default in Outlook starting July 1, 2025, affecting New Outlook for Windows, Outlook on the web, and new users on Outlook for iOS and Android. Users can manually re-enable it in settings. Admins should inform users of this change. View more
(Updated) Microsoft 365 admin center: Onboard SharePoint agents as a Pay-as-you-go scenario
MC1075905 | June 17 – Microsoft 365 admins can now set up Pay-as-you-go billing for SharePoint Agents via the Copilot Control System starting early June 2025. This allows departmental billing and precise cost management. Admins need to disable legacy tenant-level billing, create new billing policies, and connect them to SharePoint Agents. View more
(Updated) Microsoft Teams: Sensitivity labels on collaborative meeting notes and Microsoft Loop components
MC1047250 | June 17 – New security features for Microsoft Loop in Teams will support sensitivity labels starting early April 2025, completing by early June 2025. Admins need no action for the rollout. Users can apply sensitivity labels to Loop files and workspaces. Review configurations and notify users. More details available in the provided links. View more
Mail Bombing Detection technology in Microsoft Defender for Office 365
MC1096885 | June 17 – Microsoft Defender for Office 365 is introducing Mail Bombing Detection to protect against email bombing attacks. This feature will roll out globally from late June to late July 2025, automatically identifying and blocking such attacks. It requires no manual configuration and will be visible in various security tools. View more
(Updated) Apps for the web: Grid view for tasks in Microsoft To Do web version and To Do inside Microsoft Outlook
MC714520 | June 17 – Users will see tasks in a grid view in Microsoft To Do on the web and within Microsoft Outlook. The rollout starts in late April 2024 and completes by early July 2025. No action is needed, but notifying users and updating documentation is recommended. View more
(Updated) Microsoft 365 Copilot in Viva Glint: Viva Glint admin can enable Copilot for the Company admin user role
MC1061107 | June 17 – Microsoft 365 Copilot in Viva Glint can now be enabled by Viva Glint admins for the Company admin user role. This feature will roll out from late July 2025 to late August 2025. No admin action is required before the rollout, but organizations should review their configurations and notify users. View more
Microsoft Viva Engage: Updating icons for certain activity types with a standard icon
MC1096222 | June 16 – Microsoft Viva Engage will update certain activity icons to a standard neutral placeholder icon for a subset of API-driven activities. This visual-only change will roll out from late June to early July 2025 and requires no action from users or admins. Notify users about this update if needed. View more
Microsoft 365 Copilot: Extending Copilot Chat to Microsoft 365 apps
MC1096218 | June 16 – Microsoft 365 Copilot Chat is now available in Word, Excel, PowerPoint, Outlook, and OneNote. It opens in the side pane and can be managed through settings. Rollout begins in late June for Outlook and mid-July for other apps. Admins may need to adjust the pin setting for non-licensed users. View more
Microsoft Copilot Studio – Analytics: ROI for Autonomous Agents
MC1096185 | June 16 – We are announcing the enablement of run and action-level ROI tracking for autonomous agents in Microsoft Copilot Studio. This feature will reach general availability on July 15, 2025. How does this affect me? Run and action-level ROI tracking for autonomous agents helps identify high-value behaviors and optimize agent design for efficiency. What action do I need to take? This message is for awareness and no action is required. View more
Microsoft Purview | Information Protection: On-demand classification of files in SharePoint and OneDrive for business
MC1013459 | June 16 – Microsoft Purview is introducing on-demand classification for files in SharePoint and OneDrive, allowing the discovery and classification of sensitive historical data. This pay-as-you-go feature will be available in public preview by early April 2025 and generally available by late July 2025. No admin action is required before the rollout. View more
Microsoft 365 Copilot for Sales – Get AI-powered insights with enhanced pre-meeting card
MC1096179 | June 16 – We are introducing an AI-enhanced pre-meeting card in Microsoft 365 Copilot for Sales to help you prepare for customer meetings with insights on opportunities, accounts, and past interactions. This feature will reach general availability on June 16, 2025. How does this affect me?Copilot for Sales streamlines meeting preparation by providing out-of-the-box AI-generated insights in a pre-meeting preparation card delivered via the Copilot for Sales bot or chat in Teams. With a… View more
(Updated) Microsoft Purview | Data Lifecycle Management: Separate Copilot retention policies from Teams chats
MC926899 | June 16 – Admins can now create separate retention policies for Microsoft Teams chats and Microsoft 365 Copilot interactions using PowerShell cmdlets or the UI. This feature requires a Microsoft 365 Copilot license and will be available in Public Preview in May 2025 and General Availability in September 2025. No admin action is required before the rollout. View more
Dynamics 365 Customer Service – Information regarding the end of support for legacy Conversation Topics
MC1088700 | June 16 – Starting June 20, 2025, we will be deprecating the legacy version of Case and Conversation Topics features in Dynamics 365 Customer Service and Dynamics 365 Contact Center. This feature will reach the end of support on June 20, 2025. How does this affect me? After August 31, 2025, this feature will be… View more
(Updated) Microsoft Purview | Data Lifecycle Management: Separate retention policies for Copilot and AI apps
MC973511 | June 16 – Admins can now configure separate retention policies for Microsoft 365 Copilot and AI apps. The public preview starts in late May 2025, with general availability in mid-September 2025. This feature is enabled by default and requires no admin action. More details are available in the provided link. View more
(Updated) Microsoft Teams: Enhanced peripheral data in Pro Management portal reports for BYOD spaces
MC1090689 | June 16 – Microsoft Teams is enhancing peripheral health reporting in the Pro Management portal for BYOD spaces. This update allows admins to monitor device issues proactively. Room reports need a Teams Shared Devices license, while desk reports are in public preview. Rollout starts in early September 2025 and ends by late September 2025. View more
Windows add support for the new certificate authority handling logic in Application Control for Business
MC1096052 | June 16 – Microsoft is updating the logic used by Application Control for Business to handle signer rules that rely on TBS (To Be Signed) hash values for Microsoft intermediate certificate authorities (CAs). This is in response to the upcoming expiration of several 15-year CAs starting in July… View more
Microsoft Dynamics 365 Contact Center – Transfer conversation to workgroup, queue using intent
MC1096046 | June 16 – We are announcing Copilot-powered intent-based transfer capabilities for customer service workflows. This feature will reach general availability on July 31, 2025.How does this affect me?Customer service representatives can now use Copilot-powered intent suggestions to transfer conversations to the appropriate workgroup or queue. Leveraging the intent’s knowledge base, Copilot effectively routes conversations to the correct line of business. If the suggested intent or user… View more
(Updated) Microsoft Purview | Insider Risk Management- Risky AI usage
MC947048 | June 16 – Microsoft Purview Insider Risk Management will soon include risky AI usage detections. Public preview starts in December 2024, with general availability in August 2025. This update helps admins identify risky AI activities in M365 Copilot, Copilot Studio, and ChatGPT Enterprise. Admins should prepare by creating policies and using new analytics and indicators. View more
You’re subscribed to this email If you’re an IT admin, you’re subscribed by default, but you can unsubscribe at any time. If you’re not an IT admin, ask your admin to remove your email address from Microsoft 365 message center preferences.
This email might not include all Microsoft service updates from the past week. The content you see is based on the Microsoft services available to your organization, and the custom view and email options you (or your admin) select in Microsoft 365 message center preferences.
Note: My Tenant is based in Europe with Target Release Enabled. You can view more messages on your portal, just go to the Message center.
Quickly access relevant information and functionality from the new home page—The home page has been redesigned with you and your most common tasks in mind—such as adding a user or resetting a password. The new admin center makes these items accessible directly from the home page. The home page also proactively surfaces information important to you, such as notifications from the Message Center.
This website uses cookies to improve your experience. We'll assume you're ok with this, but you can opt-out if you wish.AcceptRejectDismiss
Privacy & Cookies Policy
Privacy Overview
This website uses cookies to improve your experience while you navigate through the website. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. We also use third-party cookies that help us analyze and understand how you use this website. These cookies will be stored in your browser only with your consent. You also have the option to opt-out of these cookies. But opting out of some of these cookies may affect your browsing experience.
Necessary cookies are absolutely essential for the website to function properly. This category only includes cookies that ensures basic functionalities and security features of the website. These cookies do not store any personal information.
Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features.
Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors.
Cookie
Duration
Description
SRM_B
1 year 24 days
Used by Microsoft Advertising as a unique ID for visitors.
Analytical cookies are used to understand how visitors interact with the website. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc.
Cookie
Duration
Description
_clck
1 year
Microsoft Clarity sets this cookie to retain the browser''s Clarity User ID and settings exclusive to that website. This guarantees that actions taken during subsequent visits to the same website will be linked to the same user ID.
_clsk
1 day
Microsoft Clarity sets this cookie to store and consolidate a user''s pageviews into a single session recording.
_ga
1 year 1 month 4 days
Google Analytics sets this cookie to calculate visitor, session and campaign data and track site usage for the site''s analytics report. The cookie stores information anonymously and assigns a randomly generated number to recognise unique visitors.
_ga_*
1 year 1 month 4 days
Google Analytics sets this cookie to store and count page views.
_gat_gtag_UA_*
1 minute
Google Analytics sets this cookie to store a unique user ID.
_gid
1 day
Google Analytics sets this cookie to store information on how visitors use a website while also creating an analytics report of the website''s performance. Some of the collected data includes the number of visitors, their source, and the pages they visit anonymously.
ai_session
1 hour
This is a unique anonymous session identifier cookie set by Microsoft Application Insights software to gather statistical usage and telemetry data for apps built on the Azure cloud platform.
CLID
1 year
Microsoft Clarity set this cookie to store information about how visitors interact with the website. The cookie helps to provide an analysis report. The data collection includes the number of visitors, where they visit the website, and the pages visited.
MR
7 days
This cookie, set by Bing, is used to collect user information for analytics purposes.
SM
session
Microsoft Clarity cookie set this cookie for synchronizing the MUID across Microsoft domains.
Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. These cookies track visitors across websites and collect information to provide customized ads.
Cookie
Duration
Description
ai_user
1 year
Microsoft Azure sets this cookie as a unique user identifier cookie, enabling counting of the number of users accessing the application over time.
ANONCHK
10 minutes
The ANONCHK cookie, set by Bing, is used to store a user''s session ID and verify ads'' clicks on the Bing search engine. The cookie helps in reporting and personalization as well.
MUID
1 year 24 days
Bing sets this cookie to recognise unique web browsers visiting Microsoft sites. This cookie is used for advertising, site analytics, and other operations.
