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Aktuelle Microsoft 365-Ankündigungen direkt aus dem Admin Center - Bereich "Message Center"

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Microsoft Viva · Microsoft Copilot (Microsoft 365)

Updated October 20, 2026: We have updated the timeline. Thank you for your patience. [Introduction] To support deeper analysis of Copilot agent adoption and usage across your organization, Microsoft will introduce a new export capability in the Agent Dashboard. This feature will allow eligible users to download de‑identified Copilot agent usage data for analysis, helping organizations track adoption trends, optimize licensing, and support AI transformation strategies, while maintaining existing privacy and access controls. User identifiers are removed from the output. This feature will require at least 50 Microsoft 365 Copilot licenses and will apply to the Viva Insights web app. This message is related to Roadmap ID 560538. [When this will happen] Public Preview: We will begin rolling out in late May 2026 and expect to complete rollout by early June 2026. General Availability (Worldwide

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Microsoft Teams

Updated October 19, 2026: We have updated the timeline. Thank you for your patience. [Introduction] Microsoft Teams is expanding breakout room capacity to support larger meetings. With this update, breakout rooms can be used in meetings with up to 1,000 attendees, allowing organizers to run large meetings while still enabling smaller group collaboration. This change removes the need to limit meeting size in order to use breakout rooms. This message is associated with Microsoft 365 Roadmap ID 560320. [When this will happen] Targeted Release: Rollout begins in early July 2026 and is expected to complete by late July 2026. General Availability (Worldwide, GCC, GCCH, and DoD): Rollout begins in mid-August 2026 (previously July) and is expected to complete by end of October 2026 (previously late September). [How this affects your organization] Who is affected Meeting organizers and participan

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Microsoft Teams

Updated October 19, 2026: We have updated the timeline. Thank you for your patience. [Introduction] We are improving the Microsoft Teams meeting experience when the active meeting window is minimized. This update helps users stay engaged in meetings while multitasking across other apps. With this change, users can perform key in-meeting actions—such as raising their hand and sending reactions—without restoring the full Teams meeting window. Users can also choose between two different minimized views, depending on how much meeting context they want to keep visible while they work. This change does not affect the experience when users are sharing their screen in a Teams meeting. This message applies to Teams for Windows desktop and Teams for Mac desktop. It is associated with Microsoft 365 Roadmap ID 557179. [When this will happen:] Targeted Release: Rollout begins mid-May 2026 (previously

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Microsoft Teams

Updated October 19, 2026: We have updated the timeline. Thank you for your patience. [Introduction] To help organizations deliver more polished and branded town hall events, Microsoft Teams is introducing the ability for organizers and presenters to upload custom background images in the Manage what attendees see experience. This enhancement allows teams to replace default backgrounds with branded visuals—such as company logos or event-specific designs—so presenters and shared content appear consistently on brand for attendees. This feature is available for Teams events organizers with a Teams Enterprise license. This update applies to Teams for Windows desktop and Mac desktop. This message is associated with Microsoft 365 Roadmap ID 561493. [When this will happen] Targeted Release: Rollout begins in early June 2026 (previously late May)and is expected to complete by early June 2026 (pre

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Microsoft Teams

Updated October 19, 2026: We have updated the timeline. Thank you for your patience. [What and why] Users will now be able to control their channel notification settings using three presets: All new messages, Mentions and replies, and Mute. Users can further customize the selected preset to manage notifications for unfollowed threads, tag mentions, channel mentions, and team mentions within each channel, as well as control banner notifications for the channel This gives users more control over what is important in each channel, leading to an improved triaging experience and reduced noise. This message is associated with Microsoft 365 Roadmap ID 565132. [Rollout schedule] General AvailabilityTargeted release: Rollout will begin in early October 2026 (previously late September) and is expected to complete in early October 2026 (previously mid-August). Worldwide: Rollout will begin in early

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Exchange Online

Updated October 16, 2026: We have updated the timeline. Thank you for your patience. We’re introducing the ability for organizations to customize Microsoft 365 profile cards by adding up to 10 custom properties sourced from external systems such as HR platforms. This enhancement helps enrich user profiles with relevant organizational details, improving discoverability and context for collaboration. This message is associated with Microsoft 365 Roadmap ID 529851. When this will happen: General Availability (Worldwide): We will begin rolling out in November 2026 (previously October) and expect to complete in November 2026 (previously October). How this affects your organization Who is affected: Microsoft 365 tenant admins managing user profile cards What will happen: You can add up to 10 custom properties to profile cards using Microsoft Graph People connectors. Properties can be sourced f

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Microsoft Teams

Updated October 16, 2026: We have updated the timeline. Thank you for your patience. Microsoft Teams Events invite emails will be separated based on the role of the participant. Event organizers will get an email explaining the specific roles of participants in the event. Similarly, each presenter will get a separate calendar invite, allowing the organizers of town halls to maintain separate invites for attendees. This message is associated with Microsoft 365 Roadmap ID 476488. [When this will happen:] Targeted Release: We will begin rolling out early December 2026 (previously early November) and expect to complete by mid-December 2026 (previously mid-November). General Availability (Worldwide, GCC, GCC High): We will begin rolling out mid-December 2026 (previously mid-November) and expect to complete by mid-January 2027 (previously mid-December) [How this will affect your organization:]

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Microsoft Defender XDR

Updated October 15, 2026: We have updated the timeline. Thank you for your patience. [What and Why] Microsoft Defender for Office 365 is introducing localization support for the default “Mark and notify” email template used in admin review and automated notification flows for user-reported messages. This update ensures that users receive notification emails in their preferred language based on their Outlook settings, improving clarity and understanding of review outcomes. This helps improve engagement and supports stronger security practices. This message is associated with Microsoft 365 Roadmap ID 557558. [Rollout Schedule] General Availability Worldwide: Rollout begins in June 2026 and is expected to complete by end of September 2026 (previously late July). GCC, GCC High, DoD: Rollout begins in mid-July 2026 and is expected to complete by end of October 2026 (previously end of Septembe

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Microsoft Viva · Microsoft Copilot (Microsoft 365)

Updated October 15, 2026: We have refreshed the public preview details, knowledge-source configuration, and analytics information. The general availability date will be announced in a future update. We apologize for any inconvenience. [Introduction] Agent in Viva Engage communities are now available in Public Preview. Community admins can add agents to communities to help draft answers to questions without best or verified answers based on community content and add context to posts by answering follow up questions using the community's conversations and SharePoint site and library. We’re now adding the option for community admins to specify additional SharePoint sites outside the community as grounding sources. The agent will only use sites that community admins select, and it drafts answers from items that community members can view (Read). We are also adding a new capability: tagging b

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Microsoft Teams

Updated October 15, 2026: We have updated the timeline. Thank you for your patience. [Introduction] Microsoft Teams is introducing two new system chat sections called Muted chats and Meeting chats. These sections allow users to organize their chat and channels list by grouping muted conversations and meeting chats into dedicated sections that users can turn on or off. The new Meeting chats section will replace the Meeting chats filter, that was previously available at the top of the chat and channel list. This message is associated with Microsoft 365 Roadmap ID 559605. [When this will happen] General Availability (Worldwide, GCC, GCC High, DoD): Rollout begins in early November 2026 (previously mid-October) and is expected to complete by mid-November 2026 (previously end of October). [How this affects your organization] Who is affected All Microsoft Teams users in Microsoft 365 tenants,

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Microsoft Viva · Microsoft Copilot (Microsoft 365)

Updated October 15, 2026: We have updated the timeline. This post has also been updated to remind customers that this feature is default-on for Copilot Dashboard users with full company-level data access. The export output remains de-identified, with each user represented by a hashed ID. Please review and take any actions as appropriate for your organization. Thank you for your patience. This MC post is associated with Roadmap ID 500872. [Introduction:] To support deeper analysis of Copilot adoption, Microsoft is introducing a new export capability in the Copilot Dashboard. This feature allows dashboard users with company-level access to download de-identified Copilot usage metrics, aggregated by user and week, from the past six months. Organizations can use this data to track adoption trends, optimize licensing, and support AI transformation strategies. This feature requires at least 50

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Microsoft Copilot (Microsoft 365)

Updated August 20, 2026: We have paused rollout of this feature at this time. We will communicate via Message center when we are ready to proceed. We apologize for any inconvenience. Microsoft is introducing a new capability in Teams that enables Channel Agent to orchestrate tasks with select third-party Model Context Protocol (MCP) servers, including GitHub, Asana, and Atlassian (JIRA). This integration supports collaborative workflows that reflect real human teamwork, allowing agents to transparently reason through tasks and gather information across tools. This change helps reduce manual switching between apps and improves task completion efficiency—all within the familiar Teams environment. A Microsoft 365 Copilot license is required to use this feature. This message is associated with Microsoft 365 Roadmap ID 515466. When this will happen Targeted Release (Worldwide): Begins in mid-