Microsoft
As a new admin to the Microsoft 365 admin center, you’ll get weekly emails from the message center about upcoming changes to your services until September 5, 2026. Update your preferences to continue getting emails like this one. Go to preferences
🔗 link
Message center announcements
============================
** August 24, 2026 - August 30, 2026
NOVELLELIVING COM
a12e9345-2de8-4453-a7ef-16de02ee2adc
** Major updates
----------------
Admin app retiring in Teams, Outlook and Microsoft365.com
MC1462922 | August 27 - The Admin app for very small businesses in Teams, Outlook, and Microsoft365.com will retire by October 2026, with rollout starting August 2026. It will no longer be pre-installed or supported. Admins should use Microsoft Admin Center, Teams Admin Center, or Microsoft 365 Admin Agent instead.
View more
🔗 link
(Updated) Migrate Free/Busy, MailTips, and Calendar Sharing before EWS deprecation
MC1446796 | August 25 - Exchange Web Services (EWS) deprecation starts October 1, 2026, affecting cross-tenant Free/Busy, MailTips, and Calendar Sharing. Migration to Microsoft 365 Cross-Tenant Access Policy begins September 2026, with rollout completing by October 2026. Organizations must migrate to avoid service disruption. Hybrid/on-premises scenarios are excluded.
View more
🔗 link
(Updated) Microsoft Exchange Online: Prepare for Exchange Web Services retirement with EWSAllowedAppIDs
MC1447678 | August 24 - Exchange Web Services (EWS) in Exchange Online will retire starting October 1, 2026, with full retirement by April 1, 2027. Microsoft introduced EWSAllowedAppIDs, allowing admins to create an allow list of approved apps to use EWS, helping manage access and prevent disruptions during retirement enforcement.
View more
🔗 link
** Additional updates
---------------------
(Updated) Microsoft Edge: Microsoft 365 Copilot will support summarization and contextual grounding
MC1187682 | August 28 - Microsoft Edge for Business now supports Microsoft 365 Copilot Chat for summarization and contextual grounding across browser tabs, Microsoft 365 documents, and YouTube videos. The feature is off by default, respects DLP and policy settings, and requires Entra ID sign-in and appropriate licensing. Rollout begins mid-September 2026.
View more
🔗 link
(Updated) Microsoft Outlook for iOS and Android: Insert signature images from OneDrive
MC1437668 | August 28 - Starting late September to late October 2026, Outlook for iOS and Android will let users insert signature images from OneDrive as well as device photo libraries. This feature is enabled by default, requires no admin setup, and respects existing organizational data-sharing policies. No action is needed.
View more
🔗 link
Outlook for iOS: Minimum system requirements updated to iOS 26 and above
MC1462923 | August 27 - Outlook for iOS will require iOS 26 or later starting mid-September 2026, supporting only the two latest iOS, iPadOS, and watchOS versions. Users on older versions may lose updates and syncing. Organizations should identify affected devices, notify users, and encourage OS upgrades. No admin changes needed.
View more
🔗 link
Allow connections to copilot.cloud.microsoft before the Copilot URL redirect
MC1462915 | August 27 - Starting September 2026, Microsoft will redirect users from m365.cloud.microsoft to copilot.cloud.microsoft. Organizations must ensure network and security controls allow access to copilot.cloud.microsoft to avoid service disruption. Review and update firewall, proxy, and allow lists to permit *.cloud.microsoft traffic before October 2026.
View more
🔗 link
Microsoft Agent 365: Active Users export for agent usage reporting
MC1462914 | August 27 - Microsoft Agent 365 will add an Active Users export in the Microsoft 365 admin center, allowing AI and Global Admins to generate a CSV report of users who used agents in the past 30 days. This read-only feature aids licensing reviews and requires no preparation.
View more
🔗 link
(Updated) Microsoft 365: The Next Generation of File & Folder Sharing
MC1454378 | August 26 - Microsoft 365 introduces a third-generation sharing experienc
raw
Microsoft
As a new admin to the Microsoft 365 admin center, you’ll get weekly emails from the message center about upcoming changes to your services until September 5, 2026. Update your preferences to continue getting emails like this one. Go to preferences
https://admin.microsoft.com/AdminPortal/home#/MessageCenter/:/mcpreferences
Message center announcements
============================
** August 24, 2026 - August 30, 2026
NOVELLELIVING COM
a12e9345-2de8-4453-a7ef-16de02ee2adc
** Major updates
----------------
Admin app retiring in Teams, Outlook and Microsoft365.com
MC1462922 | August 27 - The Admin app for very small businesses in Teams, Outlook, and Microsoft365.com will retire by October 2026, with rollout starting August 2026. It will no longer be pre-installed or supported. Admins should use Microsoft Admin Center, Teams Admin Center, or Microsoft 365 Admin Agent instead.
View more
https://admin.microsoft.com/AdminPortal/home#/MessageCenter/:/messages/MC1462922?MCLinkSource=DigestMail
(Updated) Migrate Free/Busy, MailTips, and Calendar Sharing before EWS deprecation
MC1446796 | August 25 - Exchange Web Services (EWS) deprecation starts October 1, 2026, affecting cross-tenant Free/Busy, MailTips, and Calendar Sharing. Migration to Microsoft 365 Cross-Tenant Access Policy begins September 2026, with rollout completing by October 2026. Organizations must migrate to avoid service disruption. Hybrid/on-premises scenarios are excluded.
View more
https://admin.microsoft.com/AdminPortal/home#/MessageCenter/:/messages/MC1446796?MCLinkSource=DigestMail
(Updated) Microsoft Exchange Online: Prepare for Exchange Web Services retirement with EWSAllowedAppIDs
MC1447678 | August 24 - Exchange Web Services (EWS) in Exchange Online will retire starting October 1, 2026, with full retirement by April 1, 2027. Microsoft introduced EWSAllowedAppIDs, allowing admins to create an allow list of approved apps to use EWS, helping manage access and prevent disruptions during retirement enforcement.
View more
https://admin.microsoft.com/AdminPortal/home#/MessageCenter/:/messages/MC1447678?MCLinkSource=DigestMail
** Additional updates
---------------------
(Updated) Microsoft Edge: Microsoft 365 Copilot will support summarization and contextual grounding
MC1187682 | August 28 - Microsoft Edge for Business now supports Microsoft 365 Copilot Chat for summarization and contextual grounding across browser tabs, Microsoft 365 documents, and YouTube videos. The feature is off by default, respects DLP and policy settings, and requires Entra ID sign-in and appropriate licensing. Rollout begins mid-September 2026.
View more
https://admin.microsoft.com/AdminPortal/home#/MessageCenter/:/messages/MC1187682?MCLinkSource=DigestMail
(Updated) Microsoft Outlook for iOS and Android: Insert signature images from OneDrive
MC1437668 | August 28 - Starting late September to late October 2026, Outlook for iOS and Android will let users insert signature images from OneDrive as well as device photo libraries. This feature is enabled by default, requires no admin setup, and respects existing organizational data-sharing policies. No action is needed.
View more
https://admin.microsoft.com/AdminPortal/home#/MessageCenter/:/messages/MC1437668?MCLinkSource=DigestMail
Outlook for iOS: Minimum system requirements updated to iOS 26 and above
MC1462923 | August 27 - Outlook for iOS will require iOS 26 or later starting mid-September 2026, supporting only the two latest iOS, iPadOS, and watchOS versions. Users on older versions may lose updates and syncing. Organizations should identify affected devices, notify users, and encourage OS upgrades. No admin changes needed.
View more
https://admin.microsoft.com/AdminPortal/home#/MessageCenter/:/messages/MC1462923?MCLinkSource=DigestMail
Allow connections to copilot.cloud.microsoft before the Copilot URL redirect
MC1462915 | August 27 - Starting September 2026, Microsoft will redirect users from m365.cloud.microsoft to copilot.cloud.microsoft. Organizations must ensure network and security controls allow access to copilot.cloud.microsoft to avoid service disruption. Review and update firewall, proxy, and allow lists to permit *.cloud.microsoft traffic before October 2026.
View more
https://admin.microsoft.com/AdminPortal/home#/MessageCenter/:/messages/MC1462915?MCLinkSource=DigestMail
Microsoft Agent 365: Active Users export for agent usage reporting
MC1462914 | August 27 - Microsoft Agent 365 will add an Active Users export in the Microsoft 365 admin center, allowing AI and Global Admins to generate a CSV report of users who used agents in the past 30 days. This read-only feature aids licensing reviews and requires no preparation.
View more
https://admin.microsoft.com/AdminPortal/home#/MessageCenter/:/messages/MC1462914?MCLinkSource=DigestMail
(Updated) Microsoft 365: The Next Generation of File & Folder Sharing
MC1454378 | August 26 - Microsoft 365 introduces a third-generation sharing experience with a single "hero link" for files and folders, simplifying access control and updates. Rolling out worldwide from mid-September to late October 2026, it affects SharePoint, OneDrive, and Microsoft 365 sharing, with no required user action before rollout.
View more
https://admin.microsoft.com/AdminPortal/home#/MessageCenter/:/messages/MC1454378?MCLinkSource=DigestMail
Microsoft 365 Copilot: Draft Outlook emails directly in Copilot Chat on mobile
MC1462472 | August 26 - Microsoft 365 Copilot Chat on mobile will embed an Outlook email draft experience, allowing users to draft, review, and open emails in Outlook Mobile seamlessly. This feature, enabled by default, rolls out worldwide from mid-August to mid-September 2026 with no admin action required.
View more
https://admin.microsoft.com/AdminPortal/home#/MessageCenter/:/messages/MC1462472?MCLinkSource=DigestMail
Microsoft Entra: Domain update for My Account and identity self-service experiences
MC1462460 | August 26 - Microsoft Entra is updating its self-service identity management domain from myaccount.microsoft.com to myaccount.cloud.microsoft, consolidating related sites for a unified experience. The change rolls out worldwide in late November 2026. Users need no action; administrators should ensure *.cloud.microsoft domains are allowed in network policies.
View more
https://admin.microsoft.com/AdminPortal/home#/MessageCenter/:/messages/MC1462460?MCLinkSource=DigestMail
Simplified access to Copilot Chat on the Microsoft 365 Copilot mobile app
MC1454386 | August 26 - Access to Copilot Chat on the Microsoft 365 Copilot mobile app will be simplified by removing restrictions from the Intune policy and "Analyze content" privacy control. This change, rolling out August to September 2026, requires no admin action but may affect organizational controls and documentation.
View more
https://admin.microsoft.com/AdminPortal/home#/MessageCenter/:/messages/MC1454386?MCLinkSource=DigestMail
(Updated) Microsoft Teams: In‑meeting toggle to turn Meeting AI on or off
MC1319216 | August 26 - Microsoft Teams will add a toggle for licensed organizers and presenters to turn Meeting AI (Copilot and Facilitator) on or off during meetings, starting mid-September 2026. Turning off AI disables recording and transcription. The feature respects existing policies, requires no action, and aims to enhance control over AI use in meetings.
View more
https://admin.microsoft.com/AdminPortal/home#/MessageCenter/:/messages/MC1319216?MCLinkSource=DigestMail
Microsoft 365 Roadmap is becoming the AI at Work Roadmap
MC1461528 | August 25 - On August 25, 2026, Microsoft 365 Roadmap will be renamed AI at Work Roadmap, expanding to include Dynamics 365, Power Platform, and Dataverse updates from September 2026. It centralizes AI-powered innovation tracking without changing access or workflows; no immediate action is required.
View more
https://admin.microsoft.com/AdminPortal/home#/MessageCenter/:/messages/MC1461528?MCLinkSource=DigestMail
(Updated) Microsoft Entra: System-preferred authentication now applies to first-factor authentication
MC1411574 | August 24 - Microsoft Entra now applies system-preferred authentication to first-factor sign-ins for tenants in the Microsoft managed state, selecting the most secure registered method. Rollout is from late June to late September 2026. Tenants can keep or change this setting and should update user guidance accordingly.
View more
https://admin.microsoft.com/AdminPortal/home#/MessageCenter/:/messages/MC1411574?MCLinkSource=DigestMail
To view all announcements, sign in to Microsoft 365 message center
https://admin.microsoft.com/AdminPortal/home#/MessageCenter
--------------------------------------------------
Yes: https://eur.safelink.emails.azure.net/trackingfeedback/?p=bT1mMTFiMjRjOS04OWQzLTQ5NjMtODQwNC1lOTc3YTIzMzg0NDImZj1Qb3NpdGl2ZSZiPWVuLXVzJ