GCC High Priority Update
Week of October 29, 2026
Edit with Copilot is rolling out to GCC High users in Excel, bringing the full side-by-side Copilot authoring experience to regulated environments. Users can build and edit workbooks in natural conversation — creating financial models, updating budgets, and analyzing data with Copilot drawing on Excel’s most powerful tools: tables, charts, PivotTables, and formulas. A long-awaited parity milestone for GCC High.
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 October 29, 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 Teams: Audio announcement for recording and transcription
Admins can enable a policy that plays an audio announcement when recording or transcription starts. This can be applied tenant-wide or to specific groups. The announcement helps ensure all participants are informed and improves accessibility awareness.
ID: 559609 Release: Microsoft Teams – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: December CY2026
Microsoft Teams: Expanded Markdown support in Microsoft Teams
Microsoft Teams is expanding Markdown support in the compose box, giving you more ways to structure and format messages using familiar Markdown syntax. Create richer, more readable messages while staying in the Markdown authoring experience.
ID: 576199 Release: Microsoft Teams – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: November CY2026
Planner: Custom Views for plans
Custom views lets users save a custom view of a plan and return to it later without re-applying filters, sorting, grouping, and other view customizations. A team can reuse saved views for triage, prioritization, work tracking, and more.
ID: 576275 Release: Planner – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: December CY2026
Power Apps: Model-driven apps – Use row summaries in US Government clouds
Row summaries are expanding to supported US Government clouds, giving users in regulated environments access to AI-generated insights that help them understand model-driven app records at a glance. This release brings the row summary experience available to commercial customers to supported government environments while meeting their applicable compliance and data-boundary requirements. Admins and makers enable and configure row summaries for users in their model-driven apps. Availability, Field, Value, Release Channel, Weekly, Version 2611.1. Applies to Model-driven apps Feature Scope Users (enabled by admins or makers)
ID: 576279 Release: Power Apps – GCC, GCC High Tags: November CY2026
Power Apps: Monitor generative pages with out-of-the-box Application Insights telemetry
Admins and developers can monitor published generative pages with Application Insights. When an administrator configures Application Insights data export for an environment, Power Apps automatically exports completed page loads, unhandled errors, supported Data API operations, and navigation initiated from generative pages without requiring telemetry code, the Application Insights JavaScript SDK, or a connection string on the page. Availability, Field, Value, Release Channel, Weekly, Version, 2608.5, Applies to Model-driven apps Feature Scope Admins or makers
ID: 576282 Release: Power Apps – Worldwide (Standard Multi-Tenant), GCC, GCC High Tags: December CY2026
Power Apps: Use Power Platform connectors in generative pages
Makers can bring data from Power Platform connectors into generative pages. After creating and authenticating a connection and adding a connection reference to the environment, you select the connector data and describe how the generated page should use it. Connector data can be incorporated while working in the Maker Studio generative page designer or through the generative pages AI plugin. Availability Field Value Release Channel Not applicable Version Gen page v302 Applies to Model-driven apps Feature Scope Admins or makers
ID: 576283 Release: Power Apps – Worldwide (Standard Multi-Tenant), GCC, GCC High Tags: December CY2026
Power Apps: Use Dataverse custom APIs in generative pages
Makers can have a generative page call a Dataverse custom API to run server-side business logic, such as approving an order, recalculating a price, or validating a transaction. From either the Maker Studio generative page designer or the generative pages AI plugin, makers select a prepared API and describe when the page should call it, which input values to provide, and how to use the response. Availability Field Value Release Channel Not applicable Version Gen page v307 Applies to Model-driven apps Feature Scope Admins or makers
ID: 576284 Release: Power Apps – Worldwide (Standard Multi-Tenant), GCC, GCC High Tags: December CY2026
Microsoft Purview: Introducing IRM Alert classification
Insider risk management will be introducing the ability to classify alerts as True positive, Benign (operational), and False positive. This will be available on all alerts where authorized analysts with the appropriate permissions can choose from a list of predefined classification reasons. Alert classification will help tenants to better classify risk within alerts to support reporting and tuning needs. This will replace existing dismissal reasons.
ID: 576710 Release: Microsoft Purview – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: January CY2027
Power Pages: Administration and governance – Manage external authentication providers with granular controls
Power Pages now lets you manage external authentication providers with environment-level governance controls and optional site-level exceptions. You can centrally enforce which identity providers (IDPs) are allowed across all sites in an environment, while still enabling site-specific flexibility when needed. Makers will only see and select from the approved IDPs when setting up authentication, ensuring consistent governance and alignment with enterprise security policies. To enable this feature, go to the Power Platform admin center. Navigate to Manage > Power Pages > Governance settings > Authentication providers. Here, you can configure allowed or restricted external IDPs, enable the control for environments, and manage exceptions for specific sites. Business Value: This feature gives you precise control over which external identity providers can be used on your Power Pages sites. It helps you enforce security, compliance, and privacy standards while maintaining flexibility for your team. Enabled for: Enabled for end users automatically
ID: 578062 Release: Power Pages – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: January CY2027
Power Pages: Administration and governance – Configure site analytics and server logging
Gain insights into your Power Pages site with integrated telemetry and analytics. Use Application Insights to monitor page views, form interactions, session details, and client-side analytics. Detect server-side errors, performance issues, and access logs to resolve problems and optimize your site. To configure site analytics, makers must open the setup workspace and add the analytics provider script to enable traffic analytics. Business Value: You can monitor your Power Pages site traffic and user interactions with ease. Track page views, form interactions, and session details using client-side analytics. Gain insights into server-side errors and access detailed logs to quickly resolve issues and enhance site performance. Enabled for: Enabled by admins/makers/marketers for end users
ID: 578071 Release: Power Pages – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: February CY2027
Microsoft 365: The Next Generation of File & Folder Sharing
We’re now introducing the third generation of the Microsoft 365 sharing experience designed to make collaboration simpler, smarter, and more secure by default. At the heart of this update is the new hero link, a single, powerful link that controls access to your files. Whether you copy a link, share via email, or send the URL from your browser, you now have a seamless and consistent way to share and stay in control of your files.
ID: 492622 Release: Excel, Microsoft 365, OneDrive, PowerPoint, SharePoint, Word – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: October CY2026
Microsoft Copilot (Microsoft 365): Edit with Copilot in Excel (Web, Win32, Mac) – GCC
Edit with Copilot lets you build and edit workbooks side by side with Copilot. When you’re updating budgets, creating financial models, or analyzing data, Copilot uses Excel’s most powerful tools like tables, charts, PivotTables, and formulas to help you get the job done.
ID: 542181 Release: Excel, Microsoft Copilot (Microsoft 365) – GCC, GCC High, DoD Tags: October CY2026
Microsoft Teams: Improved organization for muted and meeting chats
Microsoft Teams automatically organizes your chats with new built in sections that help reduce clutter and keep conversations easy to find. Muted chats (on by default) are grouped together in a dedicated area, while meeting chats (off by default) can be collected into a single section for quick access. You’re always in control, as each section can be turned on or off based on your preferences. The new Meeting chats section will replace the Meeting chats filter, that was previously available at the top of the chat and channel list. Updated July 20, 2026: We have temporarily rolled back this feature. We apologize for any inconvenience.
ID: 559605 Release: Microsoft Teams – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: October CY2026
Microsoft Copilot (Microsoft 365): Edit your document with Copilot in PowerPoint in Government Clouds
Copilot in PowerPoint helps you create, edit, and refine presentations through natural language—right inside your deck. Start a new presentation or build on an existing one by asking Copilot to generate slides, update content, improve layouts, and polish design, all while preserving your formatting, structure, and branding. Copilot can also connect to your brand kit to apply branded templates, insert brand-approved images, and check for brand compliance. Available to Microsoft 365 Copilot (Premium) users.
ID: 566701 Release: PowerPoint, Microsoft Copilot (Microsoft 365) – GCC High Tags: October CY2026
Microsoft Teams: Updated header and dashboard for chats and channels on mobile
You can now get oriented and take action faster when using Teams on mobile, with a redesigned header and lightweight dashboard that brings key channel details, people, and pinned content into one intuitive place. It creates a more predictable, familiar experience across desktop and mobile so you can move faster with less friction.
ID: 567461 Release: Microsoft Teams – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: October CY2026
Microsoft Teams: Organize important resources in chats and channels
Microsoft Teams is introducing a new way to organize and access important resources in chats and channels. Users will be able to pin key content, including links, files, and messages, directly beneath the chat or channel header for quick access. Resources can also be organized into folders, making it easier to keep important information visible and discoverable in active conversations. This update provides a more consistent experience across chats and channels, helping users stay organized, quickly find key resources, and remain aligned on important information. Existing pinned messages will continue to be available within the new experience, alongside other shared resources, on Teams desktop and web.
ID: 570646 Release: Microsoft Teams – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: October CY2026
Outlook: Duplicate events in Outlook mobile apps
We are adding the ability to duplicate an event. Simply go to the event details and select “duplicate event”
ID: 570666 Release: Outlook – Worldwide (Standard Multi-Tenant), GCC, GCC High Tags: October CY2026
There are no launched Microsoft Roadmap updates in GCC High this week
Microsoft Copilot (Microsoft 365): Review PDFs using the Copilot context menu on OneDrive iOS
Microsoft 365 Copilot makes PDF reviews faster and easier on mobile. Select text in any PDF in OneDrive iOS and tap Ask Copilot to explain, summarize, translate, or ask a custom question about the selection — the same in-context Copilot experience already generally available on desktop, now on OneDrive iOS. Updated October 20, 2026: We have decided not to move forward with this change at this time. We apologize for any inconvenience.
ID: 568790 Release: OneDrive, SharePoint, Microsoft Copilot (Microsoft 365) – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: October CY2026