Microsoft Roadmap, messagecenter and blogs updates from 21-03-2026

het nieuws van Microsoft message center roadmap en blogs - KbWorks - SharePoint and Teams Specialist

21-March-2026 Below you will find a collection of news published yesterday. This news consists of Microsoft’s Roadmap when it is updated it will be below with items. Then there will be a section with the message center, if there is anything new there, this will be automatically included. And it contains a piece from blogs that I follow myself and would like to share with you. If I miss something in the blogs that do have an RSS feed, please let me know.

This entire post was automated via Microsoft Flow
have fun reading!

Office 365 Roadmap Updated: 2026-03-20

Additions : 1
Updates : 0

More Details At: www.roadmapwatch.com


New FeaturesCurrent Status
Microsoft Purview: Data Lifecycle Management – Power Automate integration with records managementIn Development
 

Office 365 Roadmap Updated: 2026-03-20

Items from the MessageCenter in Microsoft 365

(Updated) Microsoft Teams: Unified attachment flow on Teams Mobile
Category:Microsoft Teams
Nummer:MC1070854
Status:stayInformed

Updated March 20, 2026: We have updated the timeline. Thank you for your patience.

Introducing a new content picker for Teams Mobile Android. Attach any type of content, whether files or media, from the paperclip icon in the compose overflow menu. Our unified attach flow makes it easy and intuitive to attach content from any source location.

This message is associated with Microsoft 365 Roadmap ID 488091.

[When this will happen:]

General Availability (Worldwide): We will begin rolling out on Android early June 2025 and expect to complete by late June 2025.

General Availability (GCC, GCC High, DoD) We will begin rollout on Android late June 2025 and expect to complete by end of April 2026 (previously end of February)

[How this will affect your organization:]

Users will see an improved content attach flow in the Teams Android app.


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[What you need to do to prepare:]

This rollout will happen automatically with no admin action required. You may want to notify your users about this change and update any relevant documentation as appropriate.

(Updated) New request and approval experience for Microsoft agents in the Microsoft 365 admin center
Category:Microsoft Copilot (Microsoft 365)
Nummer:MC1134738
Status:planForChange

Updated March 20, 2026: We have updated the timeline below. Thank you for your patience.

Introduction

We’re introducing a new request and approval experience in the Microsoft 365 admin center for Microsoft agents. This update enables users to request access to agents—even those currently unavailable due to your organization’s configuration—directly from the Agent Store.

You can manage these requests centrally from the Copilot > Agents & connectors page in the Microsoft 365 admin center, streamlining access control and improving visibility into user interest.

Note: This request flow applies exclusively to agents built by Microsoft and does not extend to other agents available in the store.

This message is associated with Microsoft 365 Roadmap ID 494809.

When this will happen

Rollout will begin July 2026 (previously early March) and is expected to complete by end of July 2026 (previously end of March).

How this affects your organization

This update enhances flexibility and transparency in agent access management:

  • Admins retain full control over access decisions and benefit from:
    • Centralized management of agent access requests.
    • Granular control to approve or reject requests at the individual user level.

This feature is on by default and requires no configuration to enable.

What you can do to prepare

No setup is required—this feature will roll out automatically.

To prepare:

  • Visit the Copilot > Agents & connectors page in the Microsoft 365 admin center to view and manage agent access requests.
  • Approve or reject requests based on your organization’s policies.

Compliance considerations

No compliance considerations identified, review as appropriate for your organization.

(Updated) Unread News Notifications in Viva Connections
Category:SharePoint Online Microsoft Viva
Nummer:MC1138793
Status:stayInformed

Updated March 20, 2026: We have updated the timeline. Thank you for your patience. 

Introduction

We’re introducing a new feature in Viva Connections that helps users stay informed with SharePoint news. Starting with this rollout, users will receive a weekly notification in Microsoft Teams reminding them to catch up on SharePoint news articles they haven’t read from the previous week. These articles will be accessible under the Unread pill in the News tab within Viva Connections.  

This feature is associated with Microsoft 365 Roadmap ID 498323.

When this will happen

General Availability: We will begin rolling out late March 2026 (previously mid-March) and expect to complete by end of March 2026 (previously end of February). 

How this affects your organization

Once rolled out, users will receive a weekly notification in Microsoft Teams linking them to their unread SharePoint news in Viva Connections. This notification is enabled by default, but users can manage its visibility through their Teams notification settings.

What you can do to prepare

  • No admin action is required. The rollout is automatic.
  • Admins may wish to inform users about the new notification and how to manage it in Teams settings.

Compliance considerations

No compliance considerations identified, review as appropriate for your organization.

(Updated) Rewrite with Microsoft 365 Copilot Chat coming soon to Edge for Business users
Category:Microsoft Copilot (Microsoft 365) Microsoft 365 Copilot Chat
Nummer:MC1146821
Status:stayInformed

Updated March 20, 2026: We have paused release of this feature at this time. We will update this post when we are ready to move forward. Thank you for your patience. 

Introduction

Microsoft Edge for Business will soon support Rewrite, a new feature powered by Microsoft 365 Copilot Chat. This capability helps users draft and rephrase editable text directly within Edge, enhancing productivity and writing quality. Users can access Rewrite by highlighting editable text and right-clicking to open the context menu.

This message is associated with Microsoft 365 Roadmap ID 420335.

When this will happen

General Availability (Worldwide): We will communicate via Message center when we are ready to proceed. 

How this affects your organization

  • Rewrite will be enabled by default for Edge for Business users. 
  • Users can access Rewrite by highlighting editable text and right-clicking to open the context menu.
  • 9c483f3360fb2698d456b9325d6aeaf5d56bb61f - KbWorks - SharePoint and Teams Specialist

  • If Microsoft 365 Copilot is restricted from accessing page content due to Data Loss Prevention (DLP) policies, Rewrite will not function on that content.
  • Admins can manage this feature using the InlineComposeEnabled policy setting.

What you can do to prepare

No admin action is required before rollout.

We recommend:

  • Reviewing your current DLP configurations to understand how they may impact Rewrite functionality.
  • Notifying users about this new capability.
  • Updating internal documentation to reflect this change.

Learn more about how DLP affects Copilot access to page content: Microsoft 365 Copilot Chat in Edge and Access to Page Content | Microsoft Edge | Microsoft Learn

Compliance considerations

Does the change introduce or significantly modify AI/ML or agent capabilities that interact with or provide access to customer data?Yes. This change introduces a new generative AI capability through Microsoft 365 Copilot Chat, allowing users to rewrite or draft text directly in Edge for Business.
Does the change provide end users any new way of interacting with generative AI?Yes. Users can interact with Copilot Chat by highlighting editable text and using the right-click context menu to access Rewrite, enabling AI-assisted drafting and rephrasing.
Does the change modify Data Loss Prevention (DLP) policies or enforcement?Yes. If DLP policies restrict Copilot from accessing page content, the Rewrite feature will not function on that content.
Does the change include an admin control and can it be controlled through Entra ID group membership?Yes. Admins can manage the availability of this feature using the InlineComposeEnabled policy setting.
Does the change allow a user to enable and disable the feature themselves?Yes. Users can choose to use the Rewrite feature by manually invoking it through the right-click context menu in Edge.

(Updated) New policy setting to require explicit consent for recording and transcription in Teams 1:1 calls
Category:Microsoft Teams
Nummer:MC1163766
Status:planForChange

Updated March 20, 2026: We have updated the timeline. Thank you for your patience.

[Introduction]

To enhance transparency and user control, Microsoft Teams is expanding the Explicit Recording Consent feature to include 1:1 Teams calls. This update ensures that participants must provide explicit consent before their media (audio, video, and content sharing) is included in any recording or transcription initiated by another user. This change supports privacy compliance and aligns with customer feedback requesting more granular consent controls.

This message is associated with Roadmap ID 503295.

[When this will happen:]
  • Targeted Release: Begins early January 2026 (previously early December 2025), completes mid-January 2026 (previously mid-December 2025).
  • General Availability (Worldwide, GCC): Begins mid-January 2026 (previously mid-December 2025), completes late April 2026 (previously late January).
  • General Availability (GCC High): Begins early February 2026 (previously late January), completes late April 2026 (previously mid-February).
  • General Availability (DoD): Begins mid-February 2026 (previously late January), completes late April 2026 (previously late February).
[How this affects your organization:]

Who is affected:

  • Microsoft Teams administrators managing calling policies.
  • Users participating in 1:1 Teams VoIP calls where recording or transcription is initiated.
  • Public Switched Telephone Network (PSTN) endpoints will be auto consented. Explicit consent support for PSTN will be included in a future release.

What will happen:

  • This feature applies to Microsoft Teams desktop apps on Windows and macOS.
  • By default, Explicit Recording Consent is OFF and must be enabled by administrators.
  • When enabled:
    • Users initiating recording or transcription in 1:1 calls will trigger a consent prompt for the other VoIP participant.
    • Until consent is granted, the participant’s audio, video, and screen/content sharing will be disabled, and as a result, excluded from the recording.
    • PSTN users will be auto-consented. Learn more at Manage Teams recording policies | Auto consent endpoints and platforms
  • Administrators can apply this policy tenant-wide or to specific users.
[What you can do to prepare:]
  • Update training materials to reflect that Explicit Recording Consent now applies to 1:1 calls (PSTN and Teams VoIP).
  • Inform users that consent is required before recording or transcription can begin in 1:1 calls.
  • Administrators can manage this feature via PowerShell or the Microsoft Teams admin center.

PowerShell commands:

Set-CsTeamsCallingPolicy -Identity Global -ExplicitRecordingConsent "Enabled"
Set-CsTeamsCallingPolicy -Identity Global -ExplicitRecordingConsent "Disabled"

Learn more: Set-CsTeamsCallingPolicy documentation

[Compliance considerations:]

Compliance AreaExplanation
Audit LoggingConsent data is captured in audit logs. Refer to Audit log activities in Microsoft Purview.

(Updated) Microsoft Edge: Microsoft 365 Copilot will support summarization and contextual grounding
Category:Microsoft 365 suite Microsoft Copilot (Microsoft 365)
Nummer:MC1187682
Status:stayInformed

Updated March 9, 2026: We have updated the timeline. Thank you for your patience. 

[Introduction:]

Microsoft Edge for Business will soon support summarization and contextual grounding with Microsoft 365 Copilot Chat. This enhancement enables users to ask Copilot questions about multiple open browser tabs, Microsoft 365 documents (such as Word, Excel, PowerPoint), and YouTube videos directly from the Edge side pane.

This message is associated with Microsoft 365 Roadmap ID 496364, 499423, and 499424.

[When this will happen:]

General Availability (Worldwide): We will begin rolling out in late April (previously mid-March).

[How this affects your organization:]

Who is affected: Users signed in to Microsoft Edge for Business with their Entra ID and who have access to Microsoft 365 Copilot.

What will happen:

  • Users will be able to ask Copilot questions about open browser tabs, Microsoft 365 documents, and YouTube videos.
  • The feature will be off by default.
  • If Copilot is restricted from accessing page content via Data Loss Prevention (DLP) or the EdgeEntraCopilotPageContext policy, it will be suppressed to maintain DLP integrity.
  • Existing DLP and policy configurations will be respected.

[What you can do to prepare:]

  • This rollout will happen automatically by the specified date; no admin action is required before rollout.
  • Ensure users who need this capability have access to Microsoft 365 Copilot.
  • Ensure your tenant is configured to support Microsoft 365 Copilot and that eligible users meet all licensing prerequisites, including Entra ID sign-in and applicable Microsoft 365 service plans.
  • Review your current DLP and Edge policy configurations to determine potential impact.
  • Notify users about this upcoming capability.
  • Update internal documentation if needed.

Learn more:

[Compliance considerations:]

QuestionAnswer
Does the change introduce or significantly modify AI/ML or agent capabilities that interact with or provide access to customer data?Yes. Microsoft 365 Copilot introduces contextual grounding and summarization using generative AI across browser tabs, Microsoft 365 documents, and YouTube videos.
Does the change provide end users any new way of interacting with generative AI?Yes. Users can now ask Copilot questions about open browser tabs and documents directly from the Edge sidepane, enabling real-time summarization and contextual responses.
Does the change modify Data Loss Prevention (DLP) policies or enforcement?Yes. If DLP or the EdgeEntraCopilotPageContext policy restricts access, Copilot will be suppressed from accessing page content to maintain DLP integrity.
Does the change include an admin control, and can it be controlled through Entra ID group membership?Yes. Admins can manage access to Copilot’s contextual grounding capabilities via DLP settings and Edge policy configurations, which can be scoped using Entra ID group membership.


(Updated) Microsoft 365 Copilot: Voice chat in Microsoft 365 Copilot
Category:Microsoft Copilot (Microsoft 365)
Nummer:MC1189001
Status:stayInformed

Updated March 20, 2026: We have updated the timeline. Thank you for your patience. 

Introduction

In early November, we announced voice in the Microsoft 365 Copilot mobile app. Now we’re expanding that offering to Microsoft 365 Copilot app on desktop and the web, as well as in the Microsoft 365 apps, starting with Word and PowerPoint on desktop and web and Outlook on desktop, web, and mobile. 

Voice enables Microsoft 365 Copilot users to have natural, back-and-forth conversations with Copilot simply by speaking. It lets you quickly capture your ideas, whether you’re brainstorming, drafting a response, or preparing for a meeting. Just say “help me prepare for my next meeting” to get an instant response from Work IQ, grounded in your work data, context, and preferences.  

This message is associated with Microsoft 365 Roadmap ID 516569.

When this will happen

  • Public Preview: Rollout began in November 2025 and is expected to complete in December 2025.
  • General Availability (Worldwide): Rollout begins in December 2025 and is expected to complete by end of April 2026 (previously March).

How this will affect your organization

Who is affected: All Microsoft 365 Copilot licensed users.

What will happen

  • Users can start a voice conversation with Copilot by selecting Start a new voice chat in the Copilot input box.
  • There is no admin control to disable this feature at the tenant or group level.
  • Voice in Microsoft 365 Copilot is available only for Microsoft 365 Copilot licensed users.
  • Text transcripts from voice conversations are stored and managed the same way as text conversations in the Microsoft 365 Copilot app.
  • Users can continue a voice chat in the background while moving between apps or with a locked screen on desktop.
  • Audio from voice chats will be interrupted if users play audio from another app.
  • Background noise suppression is included, but background speech may still be picked up.
  • Voice is available in all languages supported by Microsoft 365 Copilot.
  • While in voice chat, Copilot can respond using existing memories stored in user Personalization settings. Users cannot modify or edit memories from voice chats yet due to privacy considerations.

What you need to do to prepare

Learn more: Voice turns Microsoft 365 Copilot into your thought partner

Compliance considerations

No compliance considerations identified, review as appropriate for your organization.

(Updated) Microsoft Teams: Custom AI summary now available in Meeting Recap
Category:Microsoft Copilot (Microsoft 365)
Nummer:MC1189004
Status:stayInformed

Updated March 20, 2026: We have updated the timeline and content. Thank you for your patience. 

[Introduction:]

We’re introducing a new way to personalize meeting summaries in Microsoft Teams. The Custom AI Summary feature allows Copilot users to create tailored meeting notes using sample content, instructions, or prebuilt templates. This enhancement is designed to improve flexibility and productivity by enabling users to generate summaries that better suit their needs. 

This message is associated with Microsoft 365 Roadmap ID 501540.

[When this will happen:]

Targeted Release rollout will begin in mid-December 2025 and is expected to complete by mid-January 2026.

General Availability rollout will begin in early February 2026 and is expected to complete by late April 2026 (previously late February).

[Language supported:]

All Teams Intelligent Recap supported languages

[How this affects your organization:]

Who is affected:

Copilot users in Microsoft Teams on desktop (English only).

The feature requires a Microsoft 365 Copilot license.

What will happen:

  • Users will see a new option to create custom AI summaries in Teams Meeting Recap.
  • Users can build templates using sample notes, freeform instructions, or prebuilt structures.
  • Two out-of-box templates will be available: Speaker summary and Executive summary.
  • Templates can be saved and reused across meetings.
  • The feature is enabled by default for eligible users.
  • No admin policy changes are required.

Screenshot 1 – View of a user-created Topic summary:

 user settings

Screenshot 2 – View of a user-created Topic summary template:

 user settings

[What you can do to prepare:]

No action is required at this time.

If desired, you may:

  • Communicate this update to helpdesk or support staff.
  • Encourage Copilot users to explore the new summary options and provide feedback.
  • Review internal documentation if you reference Teams Meeting Recap features.

Learn more: What’s New in Microsoft Teams | Microsoft Ignite 2025 | Microsoft Community Hub

[Compliance considerations:]

Does the change alter how existing customer data is processed, stored, or accessed (e.g., documents, emails, chats)?Yes. Meeting data is now processed through customizable AI templates, allowing users to generate summaries based on their own instructions or samples.
Does the change introduce or significantly modify AI/ML or agent capabilities that interact with or provide access to customer data?Yes. This feature introduces a new AI capability that allows users to create personalized summaries using Copilot, which interacts with meeting transcript and note data.
Does the change provide end users any new way of interacting with generative AI?Yes. Users can now interact with generative AI by creating custom templates and instructions that guide how Copilot summarizes meeting content.

(Updated) Copilot can edit your presentation in PowerPoint for the web
Category:Microsoft Copilot (Microsoft 365)
Nummer:MC1219792
Status:planForChange

Updated March 20, 2026: We have updated the content. Thank you for your patience. 

[Introduction]

Copilot in PowerPoint lets you create, edit, and refine presentations through natural conversation, directly in your presentation. You can start a new presentation or build on an existing one, asking Copilot to generate slides, update content, improve layouts, and polish design—while preserving formatting, structure, and branding. Available to Microsoft 365 users.

For Microsoft 365 Copilot-licensed users, Copilot can also connects to your brand kit so you can apply branded templates, insert brand‑approved images, and check for brand compliance.

Screenshot – Entry point for Edit with Copilot in PowerPoint

user settings


This message is associated with Roadmap IDs 548520 and 548646.

[When this will happen:]
General Availability (Worldwide): Rollout will begin mid-February 2026 and complete by end of April 2026 (previously mid-March).

[How this will affect your organization:]

Who is affected:
Users in your organization who use the PowerPoint web application and have Microsoft 365 Copilot licenses.

What will happen:

  • Users will gain access to Copilot editing capability in Microsoft 365 Copilot for PowerPoint for the web.
  • Users can interact with Copilot Chat to edit and refine presentation content.
  • Formatting, structure, and branding will be preserved.
  • Users can use Enterprise assets to further enhance the presentation.
  • Edit with Copilot is available to all eligible users by default; no action is needed by Admins.
  • Note: Copilot editing capability is part of Copilot Chat within PowerPoint for the web and is not a standalone feature.

[What you need to do to prepare:]
No action is required.

  • Communicate availability of Copilot editing capability to helpdesk staff and users.
  • Encourage users to explore the feature to improve presentation workflows.
  • Review and update internal documentation if you provide guidance on PowerPoint for the web or Copilot usage.

[Compliance considerations:]

No compliance considerations identified, review as appropriate for your organization.

Microsoft Teams: AI workflows powered by Microsoft 365 Copilot
Category:Microsoft Copilot (Microsoft 365)
Nummer:MC1223822
Status:stayInformed

[Introduction]

We are introducing new AI workflows in the Workflows app for Microsoft Teams, powered by Microsoft 365 Copilot. These workflow templates use scheduled Copilot prompts to automate routine or complex tasks with guided setup. This update is designed to help users streamline daily operations and improve productivity through intelligent automation. Admins can control availability through existing Teams app management settings.

This feature is available only to users with a Microsoft 365 Copilot license and applies to Teams for Web and Teams for Mac.

This message corresponds to Microsoft 365 Roadmap ID 500379.

[When this will happen]

General Availability (Worldwide): Rolling out in late January 2026 and expected to complete by mid‑February 2026.

[How this affects your organization]

Who is affected:

  • Users who have a Microsoft 365 Copilot license
  • Users with access to the Workflows app in Microsoft Teams
  • Users on Teams for Web or Teams for Mac

What will happen:

  • Users will see new AI workflow templates in the Workflows app powered by scheduled Copilot prompts.
  • Templates help automate recurring or complex tasks with simplified setup.
  • The feature is off by default unless the Workflows app is enabled for your organization.
  • Existing admin policies for Teams app availability and optional connected experiences continue to apply.
  • There is no impact for users who are not assigned a Copilot license or who do not have access to the Workflows app.

Screenshot 1- Workflow setup experience:

 04a7c4bfd496b5fb48e246ff030b733eab7c01d0 - KbWorks - SharePoint and Teams Specialist


Screenshot 2 – Workflow templates in the Workflows app:

297451eee57a0850b932024070c120bb35e72651 - KbWorks - SharePoint and Teams Specialist

[What you can do to prepare]

If you want users to access this feature:

  • Review how scheduled prompts work in Microsoft 365 Copilot.
  • Ensure the Workflows app is enabled in the Teams admin center.
  • If you prefer to disable this functionality:
    • Use Cloud Policy to set Allow the use of additional optional connected experiences in Office to Disabled.
    • This also disables scheduled prompts in Microsoft 365 Copilot across apps.

Learn more:

  • Manage scheduled prompts for Microsoft 365 Copilot
  • Overview of optional connected experiences in Office

If you do not plan to use this feature, no action is required.

[Compliance considerations]

QuestionAnswer
Does the change introduce or significantly modify AI/ML or agent capabilities that interact with or provide access to customer data?Yes. AI workflow templates use scheduled Copilot prompts that interact with user data to automate workflow steps.
Does the change provide end users any new way of interacting with generative AI?Yes. Users can initiate and run intelligent workflows through Copilot‑powered templates in the Workflows app.

(Updated) App names hidden in app bar for a cleaner, more focused experience
Category:Microsoft Teams
Nummer:MC1226220
Status:stayInformed

Updated March 20, 2026: We have updated the timeline. Thank you for your patience. 

[Introduction]

We are updating the Microsoft Teams app bar to create a cleaner and more focused experience. App names will be hidden by default, showing only app icons. Users can still view the app name by hovering over an app icon or navigating to it with keyboard focus, which displays the app name in a tooltip, as it exists today. This update simplifies the app bar by reducing visual noise. This change will exclude EDU tenants

Users can choose to show app names anytime in Settings > Appearance.

Accessibility reviews have been conducted to verify compliance and ensure screen readers are working properly.

[When this will happen]

General Availability (Worldwide): We will begin rolling out in late April 2026 (previously mid-March) and expect to complete late April 2026 (previously early April).

[How this affects your organization]

Who is affected: All Microsoft Teams users in commercial (non-government) tenants.

What will happen:

  • App names in the Teams app bar will be hidden by default.
  • Users will see app icons only, providing a simplified vertical navigation experience.
  • Users who prefer to show app names may update this setting individually:
    • Settings > Appearance > Show app names in the app bar
  • No admin configuration changes are required.
  • There is no impact to existing policies, permissions, or app availability.

Screenshot 1 – Before:

 cfc020bd0a2368d632002c180a0f325698faeee0 - KbWorks - SharePoint and Teams Specialist

Screenshot 2 – After:

47b7fda341b8537b6bcf6a0808cbf8cc553d7240 - KbWorks - SharePoint and Teams Specialist

[What you can do to prepare]

  • No action is required.
  • If helpful, you may notify users or help desk staff about this visual update and how to re-enable app names.
  • If your organization maintains internal documentation or screenshots of the Teams interface, consider updating them after rollout.

[Compliance considerations]

No compliance considerations identified. Review as appropriate for your organization.

(Updated) Outlook: Delimiter setting admin policy
Category:Exchange Online
Nummer:MC1239176
Status:stayInformed

Updated March 19, 2026: We have updated the content. Thank you for your patience. 

[Introduction]

We’re adding a new Exchange Online admin policy that gives admins more control over the default Mail Compose and Reply setting that determines whether commas are used as recipient separators.

This message is associated with Microsoft 365 Roadmap ID 557676.

[When this will happen]

  • General availability (Worldwide): Rollout will begin in early April 2026 and complete by mid‑April 2026.

[How this will affect your organization]

Who is affected

  • Exchange Online administrators in New Outlook for Windows and Outlook for Web
  • All users composing or replying to email in Outlook where no per‑user override is configured

What will happen

  • A new admin policy will be available to set the tenant‑wide default for “Use commas as recipient separators.”
  • Admins can choose whether the default is on or off for all users.
  • Users may still change this setting in their Outlook client unless an admin enforces a policy that locks it: 

    user settings

  • This update is especially useful for organizations whose contacts commonly use “Last name, First name” formats.
  • No changes will occur automatically—tenants will retain existing behavior unless an admin modifies the policy.

[What you can do to prepare]

No action is required. If desired, you may configure the new admin policy after rollout if you want to establish a consistent default. You can set this value via Powershell with the command “Set-Organization Config -RecipientDelimeters <Boolean>.”

You may also consider the following actions: 

  • Review your organization’s preferred recipient formatting conventions.
  • Update internal documentation if your helpdesk or user‑training materials reference this setting.

[Compliance considerations]

No compliance considerations identified. Review as appropriate for your organization.

(Updated) Second deployment phase for Kerberos RC4 hardening begins with the April 2026 Windows security update
Category:Windows
Nummer:MC1254512
Status:preventOrFixIssue
Updated March 20, 2026: Added additional guidance for devices using Azure Files SMB with Active Directory–based authentication and Azure Virtual Desktop.

Windows updates released April 2026 and later introduce the second deployment phase of protections for a Kerberos information disclosure vulnerability (CVE‑2026‑20833). In this phase, domain controllers change default Kerberos ticket behavior for accounts that do not have an explicit Kerberos encryption configuration, shifting to AES‑SHA1-only by default. Environments with remaining RC4 dependencies may experience authentication issues unless those dependencies are remediated or explicitly configured.

When this will happen:
  • April 2026 – Enforcement Phase with manual rollback: Default Kerberos behavior changes so domain controllers use AES‑SHA1-only encryption for accounts without explicit encryption type settings, and Enforcement mode is enabled by default on Windows domain controllers. Audit mode remains available as a manual rollback option until July 2026.
  • July 2026 – Enforcement Phase: Audit mode is removed, leaving Enforcement mode as the only option.

How this will affect your organization:
Beginning with the April 2026 Windows security update, domain controllers will default to issuing AES‑SHA1-encrypted tickets for accounts that do not explicitly define supported encryption types. Environments with service accounts, applications, or devices that still require RC4-based Kerberos tickets may see authentication or connection failures unless those dependencies are addressed. Kerberos-related events in the System event log can help identify and address misconfigurations or remaining dependencies that are likely to become incompatible as enforcement progresses.

Note: For devices using Azure Files SMB with Active Directory–based authentication, address any RC4 dependencies before the Enforcement phase begins to reduce the risk of access disruption as Audit mode is removed in July 2026. Follow the steps in the official documentation to help maintain uninterrupted access to Azure Files and Azure Virtual Desktop.

What you need to do to prepare:
Monitor the System event log for Kerberos-related events indicating RC4 dependencies or insecure encryption configurations. If event log data shows RC4 reliance, remediate by moving to stronger encryption or explicitly configuring the account’s msds-SupportedEncryptionTypes attribute where RC4 is still required. Complete these actions before July 2026, when Audit mode is removed and Enforcement mode becomes the only available option.

Note: Audit events related to this change are only generated when Active Directory is unable to issue AES‑SHA1 service tickets or session keys. The absence of audit events does not guarantee that all non-Windows devices will successfully accept Kerberos authentication after the April 2026 Enforcement phase begins. Validate non-Windows interoperability through testing before broadly enabling this behavior.

Additional information: 
(Updated) Copilot Notebooks: New features coming to Frontier Public
Category:Microsoft 365 apps Microsoft Copilot (Microsoft 365)
Nummer:MC1254552
Status:stayInformed

Updated March 20, 2026: We have updated the timeline. Thank you for your patience. 

[Introduction]

We’re introducing several new Copilot Notebooks features to the Frontier Public environment to help users learn faster, create content more efficiently, and collaborate more easily within their organization. These enhancements build on customer feedback and expand how Copilot can reason over notebook content and connected Microsoft 365 resources. Each feature will reach General Availability (GA) on its own schedule following Frontier Public availability.

[When this will happen:]

  • Frontier Public rollout: Beginning late March, 2026, with broad availability across Frontier Public tenants by March 28, 2026.
  • General Availability (GA) (Worldwide): Rolling rollout from early April 2026 through early May 2026. Each feature will reach GA on its own schedule.
  • Rollout is gradual; availability may vary by tenant and feature.

[How this affects your organization:]

Who is affected:

  • All Copilot Notebooks users (in the Microsoft 365 app and OneNote) in Frontier Public tenants

What will happen:

  • The following new Copilot Notebooks features will become available to Frontier Public tenants starting in late March 2026 and will transition to General Availability according to the timelines listed below. All features are enabled by default.
    • Chat and Page Interactivity: Allows users to edit and create pages in a notebook directly through chat.
      • Frontier Public: late March, 2026
      • GA: Mid-April 2026
    • Study Guide: Automatically generates quizzes, flashcards, topic pages, and other learning tools based on notebook content.
      • Frontier Public: late March, 2026
      • GA: Late April 2026
    • SharePoint Sites and Folders grounding: Allows users to add SharePoint sites and folders as references so Copilot can use them when reasoning and generating content.
      • Frontier Public: late March, 2026
      • GA: Early April 2026
    • PowerPoint agent in Copilot Notebooks: Enables users to create PowerPoint presentations using notebook content and references in a few clicks.
      • Frontier Public: late March, 2026
      • GA: May 2026
    • Word agent in Copilot Notebooks: Enables users to create Word documents using notebook content and references in a few clicks.
      • Frontier Public: late March, 2026
      • GA: May 2026
    • Sharing to Microsoft 365 Modern Groups: Allows notebooks to be shared directly with Microsoft 365 Modern Groups.
      • Frontier Public: late March, 2026
      • GA: April 2026
    • Mind maps: A new interactive visual artifact that helps users understand notebook content through a grounded map of key topics, themes, and relationships. Users can explore nodes, view summaries, and use notebook chat to learn more. In Frontier Public, generated Mind Maps are retained for 30 days and remain private to the creator, including in shared notebooks. Support for sharing and permanent storage will be added before GA.
      • Frontier Public: late March, 2026
      • GA: Early May 2026
  • Existing Microsoft 365 permissions and access controls are respected.
  • No general limitations are known beyond those noted for individual features.

    [What you can do to prepare:]

    • No admin action is required.
    • Consider:
      • Informing helpdesk and support teams about new Copilot Notebooks capabilities.
      • Updating internal training or adoption materials to reflect the new features.
      • Reviewing how Copilot Notebooks are used in your organization to ensure appropriate SharePoint access is in place.

    Learn more: Get started with Microsoft 365 Copilot Notebooks (will be updated before GA rollout)

    [Compliance considerations:]

    Area Impact
    AI / ML or agent capabilities interacting with customer data New Copilot capabilities (Study Guide, Word and PowerPoint agents, mind maps) use existing notebook content and referenced Microsoft 365 data to generate outputs.
    End-user interaction with generative AI Users gain new ways to generate learning materials, documents, presentations, and visual diagrams using Copilot.

    All other compliance areas reviewed (data storage changes, Purview controls, audit, eDiscovery, retention, DLP, Conditional Access, GDPR data subject rights, third-party integrations, admin reporting) are not impacted.

    Microsoft Teams: Building‑level insights on the Teams Rooms Pro Management portal recommended actions page
    Category:Microsoft Teams
    Nummer:MC1257308
    Status:stayInformed

    [Introduction]

    We’re adding new building‑level insights to the recommended actions page in the Teams Rooms Pro Management portal. This update helps IT admins identify buildings with high Microsoft Teams Rooms (MTR) utilization that still have bring-your-own-device (BYOD) rooms in them, creating an inconsistent user experience from room to room. These insights support more consistent meeting experiences across buildings and help organizations optimize room‑technology investments. Available with a Teams Rooms Pro or Shared Space license.

    This message is associated with Microsoft 365 Roadmap ID 553591.

    [When this will happen]

    • General availability (Worldwide): We will begin rolling out early April 2026 and expect to complete by late April 2026.

    [How this affects your organization]

    Who is affected

    • Organizations using the Teams Rooms Pro Management portal with Teams Rooms Pro or Shared Device licenses

    What will happen

    • A new building‑level insights view will appear on the portal’s Recommended actions page:

       user settings

    • Insights will highlight buildings with high MTR usage and remaining BYOD meeting rooms: 

      user settings

    • These insights are designed to help IT create more consistent room to room experiences for users within a building.
    • No changes will occur to existing configurations, policies, or settings.
    • The feature will be enabled by default for tenants with eligible licenses.

    [What you can do to prepare]

    No action is required.

    If relevant to your organization’s deployment planning, you may:

    • Review your current MTR and BYOD room distribution in the Teams Rooms Pro Management portal.
    • Update internal documentation or planning guidance as needed.
    • Share this update with teams responsible for meeting room technology decisions.

    [Compliance considerations]

    No compliance considerations identified. Review as appropriate for your organization.

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