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 423th 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 July 7, 2025, to July 13, 2025.
Security hardening for Microsoft RPC Netlogon protocol will be implemented, blocking anonymous RPC requests.
Updated Secure Boot certificates will be rolled out, expiring in June 2026.
Microsoft Authenticator on iOS will use iCloud and iCloud Keychain for backup and restore starting September 2025.
PowerPoint will retire the Reuse Slide feature from the Ribbon by July 31, 2025.
The July 2025 Windows security update is now available.
Microsoft 365 Copilot Chat rollout for Word, Excel, PowerPoint, and OneNote has been delayed.
Microsoft Teams Premium will support SMS appointment notifications to Australian phone numbers starting late July 2025.
A new declarative agent control for prioritizing knowledge sources is available.
Microsoft Purview Physical Badging Connector requires a new PowerShell script by June 30, 2025.
Auto-labeling for Azure Storage and Azure SQL will be available in public preview in July 2025 and generally available by December 2025.
Viva Connections cards will be integrated into SharePoint agents, with public preview starting in late March 2025.
Windows Office Hours will be held on July 17, 2025.
Teams will introduce a feature to save chats and channel messages for later access starting August 2025.
Copilot in PowerPoint for Mac and Windows will introduce new topic generation features in late July 2025.
Outlook will allow users to report junk and unsubscribe in one action starting July 2025.
Outlook Mobile will introduce an unverified sender banner in mid-July 2025.
Copilot in classic Outlook for Windows will summarize email attachments by late August 2025.
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
July 7, 2025 – July 13, 2025
Major updates
Security hardening for Microsoft RPC Netlogon protocol
MC1113050 | July 10 – As part of our ongoing commitment to security, we’re introducing a hardening change to the Microsoft RPC Netlogon protocol.This update strengthens access controls by blocking anonymous RPC requests that could previously be used to locate domain controllers.This change isnot configurableandcannot… View more
(Updated) Act now: Secure Boot certificates expire in June 2026
MC1104112 | July 8 – Updated July 8, 2025: survey link changedIn the coming months, Microsoft will be rolling out updatedSecure Bootcertificates needed to ensure a secure startup environmentofWindows. Current certificates will start expiring in June 2026 on all Windows systems released since 2012, except for 2025 Copilot+ PCs. This also affects third-party operating systems. Start by checking on the latest available firmware from original equipment… View more
Improved backup and restore experience for Microsoft Authenticator on iOS
MC1111780 | July 8 – Starting September 2025, Microsoft Authenticator on iOS will use iCloud and iCloud Keychain for backup and restore, eliminating the need for a Microsoft personal account. This update simplifies setup on new devices, with automatic backup of account names and third-party TOTP credentials. No admin action is required. View more
PowerPoint: Deprecation of Reuse Slides Button in Ribbon
MC1111178 | July 8 – PowerPoint is retiring the Reuse Slide feature from the Ribbon by July 31, 2025. Users can reuse slides by copying and pasting between presentations or duplicating presentations. No admin action is required, but users should be informed and internal documentation updated. View more
The July 2025 Windows security update is now available
MC1111656 | July 8 – The July 2025 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 10… View more
Additional updates
(Updated) Microsoft 365 Copilot: Extending Copilot Chat to Microsoft 365 apps
MC1096218 | July 11 – Microsoft 365 Copilot Chat rollout for Word, Excel, PowerPoint, and OneNote has been delayed. It will be available in Outlook, Word, Excel, PowerPoint, and OneNote for users with and without a Microsoft 365 Copilot license. Admins should adjust settings to “Pin” for non-licensed users to access Copilot Chat. View more
Microsoft Teams Premium: SMS support expands to Australia
MC1113668 | July 11 – Microsoft Teams Premium will soon support SMS appointment notifications to Australian phone numbers starting late July 2025. This update requires no admin action and applies only to Teams Premium users. Organizations should notify users, update documentation, and review licensing. View more
[Copilot Extensibility] New declarative agent control to prioritize agent knowledge sources
MC1113667 | July 11 – A new declarative agent control allows developers to prioritize curated knowledge sources over internal agent knowledge, improving response alignment and trust. Available now, it affects developers using Agent Builder or Teams Toolkit. No admin action is required; developers should start using the new control. View more
Physical badging Connector new sample power shell script
MC1113665 | July 11 – Microsoft has updated the Microsoft Purview Physical Badging Connector to enhance security. Organizations using this connector must download and apply a new PowerShell script by June 30, 2025, to maintain functionality. Separate scripts are available for Commercial, GCC, GCCH, and DoD environments. No UI or workflow changes are expected. View more
(Updated) Microsoft Purview | Information Protection: Auto-labeling for Microsoft Azure Storage and Azure SQL
MC933531 | July 11 – Microsoft Purview’s auto-labeling for Azure Storage and Azure SQL will be available in public preview in July 2025 and generally available by December 2025. This feature allows auto-labeling of data assets beyond M365, with specific or all subscriptions. Admins can configure these policies, and existing capabilities will be updated. View more
(Updated) Microsoft Viva Connections cards in SharePoint agents
MC1045227 | July 11 – Microsoft SharePoint agents will integrate Viva Connections cards into conversations, allowing users to interact with them directly. Public preview starts in late March 2025, with general availability in late September 2025. No admin action is required, but notifying users and updating documentation is recommended. View more
Your Windows release information toolbox
MC1113571 | July 11 – How informed and prepared are you for Windows updates and changes? Bookmark the tools we’re constantly updating and improving based on your feedback. This toolbox consolidates key links and support resources to streamline planning and deployment.When will this happen:The resources summarized in this article are already available and improved.How this will affect your… View more
(Updated) Interpreter agent in Teams meetings (Copilot)
MC1038409 | July 11 – The Interpreter agent in Teams meetings allows real-time speech-to-speech interpretation, enabling users to speak and listen in their preferred language. Users can choose voice preferences and adjust audio settings. The feature is rolling out from early June to late July 2025 and requires a Microsoft 365 Copilot license. View more
(Updated) Missed Activity Emails for Teams Will Now Come from a Unified Domain
MC1112449 | July 11 – Missed activity emails for Microsoft Teams will now come from ‘no-reply@teams.mail.microsoft’ instead of ‘noreply@*email.teams.microsoft.com’. This change aims for a consistent and secure email experience and will roll out in July 2025. No action is required from users or admins. View more
Microsoft Exchange Online | Releasing Multi-Geo In-Region Routing
MC1113112 | July 10 – Microsoft Exchange Online is introducing Multi-Geo In-Region Routing (IRR) to help organizations meet regional data residency requirements by routing inbound emails to user-specific geo-regions. Public preview starts in August 2025, with general availability in October 2025. IRR is disabled by default and may require policy adjustments for compliance. View more
Updated: Microsoft Teams: Introducing the Network Strength Indicator
MC1077865 | July 10 – Microsoft Teams is introducing a Network Strength Indicator to improve meeting clarity. The rollout starts in October 2025 for Targeted Release and completes by mid-November 2025 for General Availability. This feature uses a 3-bar system to indicate network quality and suggests actions to conserve bandwidth. Update training and documentation accordingly. View more
(Updated) Microsoft Copilot Pages: New file extension for Copilot pages
MC1085134 | July 10 – Microsoft Copilot Pages will introduce a new .page file extension, identical in functionality to the .loop extension but with a different name and icon. Rollout starts mid-July 2025 and completes by early August 2025. No admin action is required, but user notification is recommended. View more
(Updated) Microsoft 365 admin center: New Multi-admin notifications for Microsoft 365 Backup
MC1102791 | July 10 – Microsoft 365 is introducing Multi-admin notifications for Microsoft 365 Backup, allowing centralized backup notifications for key stakeholders. The rollout starts in early August 2025 and completes by mid-August 2025. Organizations can configure notification lists for important backup events. No action is required before the rollout. View more
Windows Office Hours: July 17, 2025
MC1112956 | July 10 – 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… View more
(Updated) Microsoft Teams: Users can save chats and channel messages for later
MC1104306 | July 10 – Microsoft Teams is introducing a feature allowing users to save chats and channel messages for later access. This feature will be available on various platforms but not for Education (EDU) tenants. Rollout starts in August 2025. No admin action is needed. Saved messages follow existing retention policies. View more
(Updated) Microsoft Copilot (Microsoft 365): Add topic(s) through Copilot to your existing presentation
MC1105014 | July 10 – Microsoft PowerPoint for Mac will introduce a Copilot feature in late July 2025, allowing users to generate and insert new topic ideas and slides into existing presentations. This feature ensures design consistency and enhances productivity. No admin action is required, but informing users and updating training materials is recommended. View more
(Updated) Microsoft Copilot (Microsoft 365): Add topic(s) through Copilot to your existing presentation
MC1105015 | July 10 – Microsoft PowerPoint for Windows desktop will introduce a new Copilot feature in late July 2025, allowing users to generate and insert new topics and slides that match the existing presentation’s style. No admin action is required, but informing users and updating training materials is recommended. View more
(Updated) Microsoft Copilot (Microsoft 365): Add topic(s) through Copilot to your existing presentation
MC1105016 | July 10 – Microsoft PowerPoint for Windows desktop is introducing a new Copilot feature that allows users to generate and insert new topic-specific slides matching their presentation’s design. This feature, requiring a Microsoft 365 license, will be available worldwide starting in late July 2025. No admin action is needed before rollout. View more
Outlook: Report junk + block or unsubscribe in one same action
MC1112455 | July 10 – When users report an email as junk in Outlook, they can now also unsubscribe if the sender supports it. This update, rolling out in July 2025, simplifies inbox management and reduces the need to manually block senders. No admin action is required. View more
Pin AppBar from Hamburger context menu
MC1112454 | July 10 – Microsoft Teams will introduce the ability to pin the AppBar from the hamburger context menu, enhancing layout customization. This feature will be available worldwide from late July 2025, affecting all users without requiring admin configuration. No compliance issues are identified, and informing helpdesk staff is recommended. View more
Microsoft Outlook | Outlook Mobile: New unverified sender banner in reading pane
MC1112452 | July 10 – A new unverified sender banner will be introduced in the reading pane of Outlook Mobile (iOS and Android) starting mid-July 2025. This feature helps identify messages from unverified senders, aligning with desktop and web versions. No admin action is required, but user awareness is recommended. View more
Outlook: Summarize email attachments with Copilot in classic Outlook for Windows
MC1112451 | July 10 – Microsoft is enhancing Copilot in classic Outlook for Windows to summarize email attachments (PDF, Word, PowerPoint) directly in the reading pane. This feature, available by late August 2025, requires no admin action and is on by default. It affects users licensed for Microsoft 365 Copilot. View more
Microsoft 365 Copilot | Viva Engage discussion posts added to grounding sources
MC1112450 | July 10 – Microsoft 365 Copilot now includes Viva Engage discussion posts from public communities and Storylines as grounding sources, enhancing contextually relevant responses. This feature, rolling out from June to August 2025, requires no admin action and does not include private content. Review Viva Engage configurations and notify relevant parties. View more
(Updated) Microsoft Purview | Data Loss Prevention: Diagnostics now in the Purview compliance portal
MC904540 | July 9 – Microsoft Purview is launching a new diagnostics feature for Data Loss Prevention in the compliance portal. Public preview starts in December 2024, with general availability in April 2025 for Worldwide and July 2025 for GCC, GCCHigh, and DoD. No admin action is required; the feature will be on by default. View more
(Updated) Microsoft Defender for Office 365: Enhancing page load performance
MC1042925 | July 9 – Microsoft Defender for Office 365 is enhancing page load performance to address user feedback on latency issues. Phase 1 will roll out from late March 2025 to December 2025, focusing on optimizing Submission, Quarantine, Threat Explorer, Email Entity, and Policy Configuration pages. No disruptions or admin actions are required. View more
(Updated) Researcher in Copilot Notebooks
MC1099685 | July 9 – We’re expanding the Researcher Agent capabilities by integrating it into Copilot Notebooks, allowing complex research across enterprise data sources using OpenAI’s model. Rollout begins mid-July 2025 and completes by mid-August 2025. No action is required, but users should be informed of the enhanced research workflows. View more
(Updated) Microsoft Fabric: Workspace inbound/outbound access protection will be available by default (preview)
MC1070180 | July 9 – Microsoft Fabric will introduce Workspace-level private links and Outbound access protection features in public preview in late July 2025. Tenant admins can enable these features in the Fabric admin portal, allowing workspace admins to configure secure inbound and outbound connectivity. Review and adjust settings as needed. Learn more [here](https://learn.microsoft.com/fabric/security/). View more
(Updated) Microsoft Teams: Third-party chat and meeting keyboard shortcut support
MC992216 | July 9 – Users can now use third-party chat and meeting keyboard shortcuts in Microsoft Teams by selecting a layout in the settings. The rollout will start in May 2025 for targeted release and in July 2025 for general availability. No admin action is required, but notifying users is recommended. View more
Updates available for Microsoft 365 Apps for all channels
MC1111786 | July 8 – 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 View more
Expanded Copilot in Viva Engage updates
MC1104316 | July 8 – Expanded Copilot in Viva Engage will transform into a personalized AI companion, offering new capabilities like Community Catch-Up, Information Discovery, and Recall. Rollout begins end of July 2025 and completes by end of August 2025. Only users with a Microsoft 365 Copilot license will access these features. View more
Self-nomination as a community expert in Viva Engage communities
MC1111779 | July 8 – Self-nomination for community experts in Viva Engage will be available from early to mid-July 2025. Members can request to become experts via a new link, and admins can review and manage these requests. Admins can also disable the self-nomination feature if desired. No tenant-level action is required. View more
Microsoft Purview | Information Protection: Sensitivity label grouping modernization
MC1111778 | July 8 – Microsoft Purview is simplifying its sensitivity labeling scheme to consist only of labels and label groupings. This dynamic architecture will improve label usability and configuration. Manual migration will be available for applicable tenants, with a preview wizard to assist admins. The rollout begins in July 2025 and completes by August 2025. View more
(Updated) Researcher is available in Word for Microsoft 365 Copilot licensed users
MC1111176 | July 8 – Starting July 16, 2025, the Researcher agent will be available in Word for Microsoft 365 Copilot licensed users, combining OpenAI’s research model with Copilot’s capabilities. The rollout completes by August 14, 2025, and supports 37 languages. No admin action is required. Compliance considerations are noted. View more
(Updated) Microsoft Purview | Insider Risk Management: Enhancements to global exclusions in IRM settings
MC1058262 | July 8 – Microsoft Purview | Insider Risk Management is enhancing global exclusions to reduce alert noise. The rollout for public preview began in mid-April 2025, with general availability starting early June 2025. Admins should update exclusion settings in IRM to optimize these features, which include keyword and file path exclusions. View more
(Updated) Microsoft SharePoint: New web part for FAQs powered by Microsoft 365 Copilot
MC1074972 | July 8 – Microsoft SharePoint is introducing a new FAQ web part powered by Microsoft 365 Copilot, available late June 2025 for targeted release and mid-July 2025 for general availability. Creating and editing require a Copilot license, while viewing does not. The feature will automatically generate FAQ content, supporting Event, Product, and Policy types. View more
(Updated) Universal Print: Pull Print queues
MC896708 | July 8 – Universal Print’s Pull Print queues feature allows admins to configure virtual printer queues and map registered printers to them. The feature simplifies the user experience by enabling secure print job release at any nearby printer. Public Preview starts in late November 2024, and General Availability begins in late June 2025. No impact on existing use is expected. Admins should prepare test printers and ensure the Microsoft 365 mobile app is installed and configured. View more
Second phase for KB5057784: Protections for CVE-2025-26647 (Kerberos Authentication) begins today
MC1111657 | July 8 – Starting with the April 8, 2025, Windows security updates, protections for CVE-2025-26647 are being rolled out and enforced in phases. These updates change how certificate-based authentication (CBA) is handled when the issuing certificate authority (CA) is not in the NTAuth store but a Subject Key Identifier (SKI) mapping exists in the altSecID… View more
(Updated) Microsoft Loop – Microsoft 365 Groups for Managing New Loop workspaces
MC929023 | July 8 – Users will be able to choose an existing Microsoft 365 Group to manage new Loop workspaces starting late September 2025, with completion expected by late October 2025. No preparation is needed as changes will roll out automatically. View more
Microsoft Copilot in PowerPoint: Reference an Excel file when creating a presentation with Microsoft 365 Copilot
MC1088727 | July 8 – Users can reference Excel files when creating presentations with Microsoft 365 Copilot in PowerPoint. This feature requires a Microsoft 365 Copilot license and applies to PowerPoint on Windows, Mac, and the web. The rollout starts mid-July 2025 and completes by late August 2025. No admin action is required. View more
Updates to user and group assignment views on the Microsoft Admin Center
MC1102762 | July 8 – Microsoft Admin Center is updating the product licensing experience to distinguish between direct and group-based license assignments. Rollout begins in late June 2025 and completes by late July 2025. Admins will see a new layout with separate tabs for direct and group-based licenses, improving clarity and performance. View more
(Updated) Microsoft Copilot (Microsoft 365): Copilot Chat now offers meeting series selection on CIQ Menu
MC1108138 | July 8 – Copilot Chat in Microsoft 365 now allows users to select meeting series from the Calendar Insights Queue for prompts, enhancing context and productivity. This feature is rolling out worldwide and will be completed by late July 2025. No admin action or preparation is required. Compliance considerations include changes in data processing and AI capabilities. View more
(Updated) Microsoft SharePoint: Header and Footer enhancements
MC1098935 | July 8 – Microsoft SharePoint is updating its site header and footer for a more modern and customizable experience. The rollout will begin in mid-July 2025 and complete by late August 2025, depending on the release phase. Enhancements include new design options for site owners and a cleaner interface for site viewers. No admin action is required. View more
AI Builder – Introducing the new contract processing prebuilt model (preview)
MC1110990 | July 7 – We are announcing the availability of contract processing (preview), a new prebuilt AI Builder model.How does this affect me?The contract processing prebuilt model is designed to analyze and extract key fields and line items from contract entities. Templates are available to help you begin using this feature immediately in a cloud flow or canvas app.What action do I need to take?This message is for awareness and no action is required.If you would… View more
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