GCC High Priority Update
Week of September 24, 2026
Microsoft is bringing Copilot Cowork to GCC High and GCC environments, enabling users to delegate work to Copilot by describing the outcome they want — with Cowork automatically grounding the task in their emails, meetings, messages, files, and data. This capability has been available in commercial Microsoft 365 and is now extending to government cloud users as Microsoft continues to close the feature parity gap. For GCC High organizations where Copilot adoption is accelerating, Cowork represents a meaningful step toward AI-assisted work execution within sovereign cloud boundaries. The feature is currently in development and expected to begin rolling out in November 2026.
Update Archives
GCC High M365 Roadmap Updates
Find out what’s coming, what’s going, and what it means for you and your operations. View all Microsoft 365 GCC High roadmap updates for the week of September 24, 2026.
Microsoft Purview compliance portal: Insider Risk Management – Microsoft Fabric risk indicators in Insider Risk Management
With this update, Insider Risk Management extends its risk detection capabilities to Microsoft Fabric products by offering ready-to-use risk indicators based on activities that may lead to a data security incident in Power BI. Organizations can use these new indicators in data theft and data leaks policies. Microsoft Purview Insider Risk Management correlates various signals to identify potential malicious or inadvertent insider risks such as IP theft, data leakage, and security violations. Insider Risk Management enables customers to create policies based on their own internal policies, governance, and organizational requirements. Built with privacy by design, users are pseudonymized by default, and role-based access controls and audit logs are in place to help ensure user-level privacy.
ID: 475859 Release: Microsoft Purview – GCC, GCC High, DoD Tags: October CY2026
Microsoft 365 app: Microsoft Places Support to GCCH and DoD
“Microsoft Places is an AI-powered workplace app for flexible work. Places helps organizations reimagine flexible work with AI, enables employees to connect more easily in person so that they can make the most of in-office days.
ID: 497998 Release: Microsoft 365 – GCC High, DoD Tags: October CY2026
SharePoint: New Mobile Experience on iOS and Android
The SharePoint mobile app for iOS and Android is redesigned around the personalized SharePoint Discover experience, bringing your most relevant files, sites, people, and news together in one place, with improved site browsing, in-app file previews, refreshed news and search, dark mode, and better performance.
ID: 571200 Release: SharePoint – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: October CY2026
Outlook: Spell check before sending emails in new Outlook
If you don’t want to check spelling manually for every message—or you’re worried you might forget!—you can set Outlook to check spelling for you every time before sending emails.
ID: 571310 Release: Outlook – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: October CY2026
Microsoft Teams: Events in Meet app in Teams in GCC High and DoD
Users can now use the Teams Meet app to discover events across their organization, track what important events are upcoming, and plan and organize their own professional events. With this release, Meet app will be renamed to Events app.
ID: 571390 Release: Microsoft Teams – GCC High, DoD Tags: December CY2026
Microsoft Copilot (Microsoft 365): Copilot Cowork for Government Clouds
Copilot Cowork makes it easy to delegate work. Describe the outcome you want and Cowork automatically grounds the work in your emails, meetings, messages, files, and data.
ID: 571637 Release: Microsoft Copilot (Microsoft 365) – GCC, GCC High Tags: November CY2026
Microsoft Teams: Prevent presence transition to “Do not disturb” setting when screen sharing (GCC High, DoD)
We’re introducing a setting that allows users to opt-out of transitioning presence automatically to Do Not Disturb when presenting or screen sharing. This ensures that they can continue to receive calls, keeping them connected and responsive without manual presence adjustments.
ID: 567300 Release: Microsoft Teams – GCC High, DoD Tags: September CY2026
Microsoft Teams: External phone call routing (GCC High, DoD)
External call routing will provide users the ability to redirect all external phone calls to either voicemail or their unanswered settings.
ID: 567884 Release: Microsoft Teams – GCC High, DoD Tags: September CY2026
Microsoft Teams: Temporarily pause all notifications
Users can now temporarily pause all notifications to minimize interruptions and stay focused on important work, meetings, or other priorities, without changing their existing notification settings.
ID: 569205 Release: Microsoft Teams – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: September CY2026
There are no launched Microsoft roadmap updates for GCC High this week.
Microsoft Purview: Data Lifecycle Management – Insights and policy recommendations on Microsoft Copilot and AI Apps interactions for better Data Security and Compliance posture
Provide insights on Copilots and AI Apps usage and recommend retention policies for customers to govern their Copilots and AI App interactions. Updated September 15, 2026: We have decided not to move forward with this change at this time. We apologize for any inconvenience.
ID: 561209 Release: Microsoft Purview – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: September CY2026