Microsoft Teams is introducing an External Domains Anomalies Report that gives admins early visibility into unusual or potentially risky interactions with external organizations. By analyzing communication trends and detecting sudden spikes, new domains, or abnormal engagement patterns, the report surfaces actionable insights before risks escalate. As external collaboration expands, this report gives IT teams a proactive tool for identifying data-sharing concerns and security anomalies across tenant boundaries. The feature is currently rolling out for Commercial environments.

Microsoft Teams is adding explicit controls for managing external third-party bots attempting to join meetings. When a bot requests entry, organizers will see a clear representation of it in the lobby — separate from human participants — and must actively admit it through a distinct approval step. This prevents bots from being inadvertently accepted alongside other attendees, giving meeting organizers direct control over what automated processes can access live meeting content. The feature is currently rolling out for Commercial and GCC environments.

Microsoft Purview is expanding Data Loss Prevention enforcement to Microsoft 365 Copilot and Copilot Chat, adding real-time controls that prevent Copilot from processing emails sent from senders external to the organization. When triggered, this control blocks Copilot and agents built in Copilot Studio from using external email content for grounding or responses — reducing the risk of sensitive internal workflows being influenced by unvetted external communication. For organizations where Copilot is actively used to summarize, draft, or reason over email content, this update closes a meaningful gap in data risk management at the point where external and internal communication intersect. The feature is currently in development and expected to begin rolling out in July 2026.

Microsoft Teams is updating Teams Rooms on Android to display the chat panel by default when participants join a meeting in gallery view, ensuring ongoing conversation is immediately visible without manual intervention. Admins can configure this default behavior at the device level, and individual users retain the ability to close the panel with a single tap during meetings. For organizations managing shared room devices, the admin-configurable default provides consistent meeting behavior across rooms without requiring end-user action. The feature is currently in development and expected to begin rolling out in June 2026.

Microsoft is updating dynamic distribution groups in Exchange Online to make group membership available immediately after creation or filter modification, eliminating delays that previously lasted up to two hours. For groups with 5,000 members or fewer, membership is now populated as part of the creation or modification operation itself, reducing administrative friction and ensuring distribution accuracy from the moment a group is configured or updated. For organizations managing large communication structures or time-sensitive distribution needs, this change removes a meaningful operational gap in group management reliability. The feature is currently in development and expected to begin rolling out in May 2026.

Microsoft Purview Content Explorer is adding enhanced filtering controls that allow admins to scope visibility by Sensitive Information Types and sensitivity labels directly from the UI. This update improves the ability to locate and govern specific categories of sensitive content across the organization without requiring broader, unfiltered data views. For compliance and data governance teams managing large content estates, tighter scoping controls reduce investigative noise and support more precise oversight of how sensitive data is classified and distributed. This feature is currently rolling out and expected to complete in April 2026.

Microsoft Purview Insider Risk Management is adding granular control over which AI applications are used to detect Generative AI indicators, allowing organizations to precisely target monitoring across specific tools. Admins can now select which AI apps are evaluated for indicators such as entering risky prompts in Copilot, receiving sensitive responses from enterprise AI apps, and related signals — reducing noise and improving the accuracy of insider risk detection as AI usage expands across the organization. Built with privacy by design, users remain pseudonymized by default with role-based access controls and audit logs in place. The feature is currently in development and expected to begin rolling out in June 2026.

Microsoft Purview Insider Risk Management is expanding its integration with Microsoft Defender XDR, surfacing IRM alerts directly in the unified alert and incident queue alongside signals from Defender for Endpoint, Defender for Cloud Apps, and other solutions. Analysts will also gain access to IRM indicators and enriched events through advanced hunting using KQL queries, enabling deeper investigation of potentially hidden risky patterns in user activity. Additional exposure through the Graph API further extends the ability to correlate and act on insider risk data across the security stack. The feature can be enabled through the “Share data with Microsoft Defender XDR” setting in Insider Risk Management and is currently in development with an expected rollout beginning in June 2026.

Microsoft Teams is expanding Meeting Notes availability to instant meetings started via “Meet Now” from the calendar. Powered by Loop, Meeting Notes allow participants to co-create agendas, capture decisions, and track action items in real time — with changes staying in sync across every location where the notes have been shared. Notes can also be accessed and edited in the Loop app in a web browser, keeping teams aligned on outcomes well after the meeting ends. This feature is currently rolling out and expected to complete in April 2026.

Microsoft is updating external sharing in OneDrive and SharePoint to use Microsoft Entra B2B for invitation and authentication, replacing the legacy SharePoint One Time Passcode (OTP) experience. With this change, external users will be added as guest accounts in the organization’s directory, enabling more consistent identity management and stronger control over external access. By aligning external sharing with Microsoft Entra standards, organizations gain improved visibility, governance, and security over how external users interact with shared content. The feature is currently in development and expected to begin rolling out in April 2026.