M365 Message Center

Geändert

06.01.2026

Services

Microsoft Teams

Updated January 6, 2026: We have updated the timeline. Thank you for your patience.Coming soon for Microsoft Teams: A new setting that allows users to view incoming calls in a small window in Teams to prevent disruptions. Users will be able to take a call in the small window and continue to see what they were working on before the call.This message applies to Teams on Windows desktop, Teams on Mac desktop, Teams for the web, and Teams for iOS/Android.This message is associated with Microsoft 365 Roadmap ID 482747.[When this will happen:]Targeted Release: We will begin rolling out early May 2025 and expect to complete by mid-May 2025.General Availability (Worldwide): We will begin rolling out mid-March 2026 (previously mid-January) and expect to complete by late March 2026 (previously late January). General Availability (GCC): We will begin rolling out early April 2026 (previously early F

Geändert

05.01.2026

Services

Microsoft 365 suite · Microsoft Viva

Updated January 5, 2026: We have updated the timeline. Thank you for your patience.[Introduction]As part of our ongoing efforts to simplify and modernize the Viva Connections experience, we will retire the Assignments and Courses adaptive card extensions (ACEs) for Education customers. ACEs are modular components built using the SharePoint Framework (SPFx) that allow developers to create rich, interactive dashboard cards in Viva Connections. These cards surface data and actions from Microsoft 365 services or custom sources, helping users engage with content directly from their dashboard. The equivalent SharePoint dashboard webparts will also be retired. This change is intended to streamline the experience and reduce redundancy across platforms. [When this will happen:] Existing components will reach end of support on June 30, 2026. [How this affects your organization:]Who is affected: Ed

Geändert

22.12.2025

Handlung bis

01.08.2026

Services

Microsoft Defender XDR

Updated December 5, 2025: We have updated the timeline. Thank you for your patience. [Introduction] Microsoft Defender Threat Intelligence (MDTI) is converging with Microsoft Defender and Microsoft Sentinel to deliver integrated threat intelligence capabilities directly within your SecOps environment. This change simplifies access to threat insights, improves detection and response workflows, and aligns with customer feedback for a unified experience. [When this will happen] Full convergence will be completed by August 1, 2026. New capabilities are available now, and as of August 2025, all MDTI data has been published via the free connector, with new Threat Analytics APIs replacing retired MDTI APIs. [How this affects your organization] Who is affected: Organizations using Microsoft Defender Threat Intelligence, Microsoft Defender, or Microsoft Sentinel. What will happen: Threat Intellig

Geändert

15.12.2025

Services

Exchange Online

Updated December 15, 2025: We have updated the timing of this change to provide additional time for customers to take action as appropriate. Thank you for your feedback.We're making some changes to Exchange Web Services (EWS).Starting June 30, 2026, we will start to block EWS access for all mailboxes without license rights to EWS. This is another step in our ongoing commitment to enhance the security and control mechanisms of EWS.[How this will affect your organization:]The impacted licenses are: Exchange Online KioskMicrosoft 365 and Office 365 F1Microsoft 365 and Office 365 F3As stated in the Service Descriptions, these licenses do not provide access to mailboxes via EWS, but these restrictions were never enforced. With this change, EWS access for users with only these license types will be blocked.[What you need to do to prepare:]If you wish these users to continue to use EWS, and you

Geändert

12.12.2025

Services

Microsoft 365 apps

Updated December 12, 2025: We have updated the timeline. Thank you for your patience. To ensure continued high-quality performance of the Read Aloud, Transcription, and Dictation features in Microsoft 365 Office apps, we’re upgrading the backend service that powers these capabilities. As a result, these features will no longer function on Office clients running versions earlier than 16.0.18827.20202 after September 2026.We are extending the supporting period for customers to prepare and upgrade to the supported version. Here is the updated timeline: General Availability (Worldwide): End of September 2026 (previously end of January) General Availability (GCC, GCC High, DoD): End of November 2026 (previously end of March) How this affects your organization If your organization is using Microsoft 365 Office apps with version numbers lower than 16.0.18827.20202, users will lose access to Rea

Geändert

08.12.2025

Services

Windows

You can now deploy, manage, and monitor Secure Boot certificate updates. This method represents an alternative to setting registry keys and using Group Policy. You can use Intune to deploy on all domain-joined Windows clients, opt out of high-confidence buckets, and opt in to Microsoft managing these updates. When will this happen: The following settings are now available in the Intune settings catalog: Configure Microsoft Update Managed Opt-In Configure High-Confidence Opt-Out Enable SecureBoot Certificate Updates How this will affect your organization: As the 2011 Secure Boot certificates will start expiring in June 2026, it is essential that organizations start planning for and updating to 2023 certificates. You can now use Microsoft Intune, in addition to registry keys and Group Policy, to deploy, manage, and monitor this update process. The three new settings are disabled by default