M365 Message Center

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23.03.2026

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Microsoft 365 suite · Microsoft Copilot (Microsoft 365)

Updated March 23, 2026: We have updated the timeline below. Thank you for your patience. To help you manage metered consumption costs for Microsoft 365 Copilot Chat, we will introduce a new Message consumption usage report in the Microsoft 365 admin center. The new report will give you visibility into billed messages associated with your Microsoft 365 Copilot pay-as-you-go billing policies and includes total messages consumed, cumulative and daily time series, and messages per user, per billing policy, per agent, and per agent-user pair. The new report will roll out in preview. During the preview stage, the report will display a maximum of 30 days of message consumption history. Usage information from prior to May 3, 2025, will not be available in the report.This message refers to Microsoft Copilot in a pay-as-you-go model. A Microsoft Copilot license is not required. This message is ass

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20.03.2026

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Microsoft Copilot (Microsoft 365)

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

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17.03.2026

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Microsoft Teams

Updated March 17, 2026: We have updated the timeline. Thank you for your patience. As part of our ongoing commitment to delivering a polished, platform-native experience for Mac users, Microsoft Teams is introducing native screen and window sharing capabilities tailored specifically for macOS. This opt-in experience leverages Apple’s macOS native screen sharing APIs, allowing users to share their screen or window directly from macOS during Teams meetings. This message is associated with Microsoft 365 Roadmap ID 502523. [When this will happen:] Targeted Release: Begins early-December 2025, completes mid-December 2025. General AvailabilityWorldwide and GCC: Begins early January 2026, completes by mid-May 2026 (previously mid-January).GCC High and DoD: Begins mid-January 2026, completes by late May 2026 (previously late January). [How this affects your organization:] Who is affected: Mac us

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17.03.2026

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Microsoft Teams

Updated March 17, 2026: We have paused rollout of this feature at this time and will provide updates via this post when we are ready to proceed. We apologize for any inconvenience. IntroductionWe’re excited to announce that Microsoft Teams now supports apps in Private channels. This update enables richer collaboration scenarios across teams and organizations by allowing users to add and use apps—including bots, tabs, and message extensions—directly within Private channels. This change aligns with customer feedback requesting more consistent and flexible app experiences across collaboration spaces. Support for apps in Private Channels follows the same model as that for shared channels, ensuring a unified experience for users and developers. This message is associated with Roadmap ID 518215 and applies to Teams for Windows desktop and Teams for Mac desktop. When this will happen: Targeted

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16.03.2026

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Microsoft Copilot (Microsoft 365) · Microsoft 365 Copilot Chat

Updated March 16, 2026: We have updated the timeline. This feature will be enabled for en-US only initially. Thank you for your patience. [Introduction:] Read Aloud is evolving from a passive listening tool into an interactive experience. By integrating Copilot Q&A, users can now ask questions and refine their understanding of document content in real time—without interrupting their workflow. This enhancement supports accessibility, improves comprehension, and helps users stay focused while gaining insights faster.A Microsoft 365 Copilot license is required to use this feature.This message is associated with Microsoft 365 Roadmap ID 523205. [When this will happen:] General Availability (Worldwide): Rollout will begin in early February 2026 (previously early January) and is expected to complete by early July 2026 (previously early March). [How this affects your organization:] Who is affec

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13.03.2026

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SharePoint Online

Updated March 13, 2026: We have updated the timeline. Thank you for your patience. We’re improving SharePoint Online security via Content Security Policy (CSP) enforcement. Currently CSP is applied in reporting mode but as of March 1, 2026, the Content Security Policy will be enforced which will prevent the loading of script (e.g. JavaScript) from non-allowed sources. This message center post replaces MC1055557 (April 2024).This change is associated with Microsoft 365 Roadmap ID: 485797[When this will happen:]This will be implemented starting March 1, 2026 and should complete by March 20, 2026. [How this will affect your organization:]If your organization extended SharePoint Online using SPFx then the created custom SPFx solutions could potentially load scripts from locations which are not allowed. In most cases SPFx solutions use and load script from allowed locations, but that’s not al