GCC High Priority Update
Week of September 3, 2026
Microsoft 365 Copilot Chat is expanding to chats, channels, calls, and meetings in GCC High and DoD environments, giving users AI-powered assistance to stay informed and catch up quickly across every Teams surface. This marks a significant step in bringing the full Copilot Chat experience to government cloud users who have been waiting on feature parity with commercial Microsoft 365. The wave of Copilot capability arriving in GCC High doesn’t stop there — Viva Insights and Copilot Analytics, and the new Outlook for Windows are also on the horizon for GCC High in September, signaling a meaningful acceleration in government cloud feature alignment. The Copilot Chat feature is currently in development and expected to begin rolling out in October 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 3, 2026.
Microsoft Purview compliance portal: eDiscovery (Premium) – Hold reports (U.S. Government clouds)
Out-of-the-box reports that contain information about all legal holds associated with eDiscovery cases in the Microsoft Purview compliance portal. Sort and filter your view based on various criteria and download the aggregated information for further analysis.
ID: 93269 Release: Microsoft Purview – GCC, GCC High, DoD Tags: February CY2027
Microsoft Purview compliance portal: Data Loss Prevention – Optical character recognition (OCR) support for endpoint
Optical character recognition (OCR) support will detect sensitive content in images and subsequently apply data loss prevention (DLP) policies to prevent exfiltration of that sensitive data on your Windows endpoint devices. This release supports key file types like JPG, JPEG, PNG, TIFF, BMP and PDF (image only PDF).
ID: 160008 Release: Microsoft Purview – GCC, GCC High, DoD Tags: October CY2026
Microsoft Purview compliance portal: Data Loss Prevention – Trigger Power automate workflows as outcome of DLP rule match
This introduces a new DLP rule action to trigger custom Power automate workflows when a DLP rule is violated.
ID: 380721 Release: Microsoft Purview – GCC, GCC High, DoD Tags: September CY2026
Microsoft Purview compliance portal: Information Protection – Sensitivity label grouping modernization
To help improve label usability and configuration, the sensitivity labeling scheme will be simplified to only consist of labels and label groupings. These new label groupings allow admins to better organize and categorize their labels (previously done via parent labels).
ID: 386901 Release: Microsoft Purview – GCC, GCC High, DoD Tags: October CY2026
Microsoft Purview compliance portal: Data Lifecycle Management – Bulk replacement or removal of a retention label
Admins can perform a bulk replacement or removal of a retention label using the Purview compliance portal. They can perform the action across the entire tenant or targeted to specific content using KQL and static or adaptive scopes.
ID: 392457 Release: Microsoft Purview – GCC, GCC High, DoD Tags: December CY2026
Universal Print: Logs and alerts
With a new Azure Monitor integration, Universal Print customers can send detailed diagnostic logs to a Log Analytics workspace to conduct troubleshooting and configure custom alerts.
ID: 396782 Release: Universal Print – Worldwide (Standard Multi-Tenant), GCC, GCC High Tags: January CY2027
Microsoft Purview compliance portal: Data Loss Prevention – Microsoft 365 Groups scoping in Teams DLP policy extend protection to 1:1/n chats
When scoping policies to Microsoft 365 Groups in Teams DLP policies, members of Teams standard and shared channel chats associated with the groups are currently protected by the policies. This change will automatically extend the protection to standard/shared channels chats in other Microsfot 365 Groups and 1:1/n (non-channel) chats. There is no longer a need to add users, security groups or other Microsoft 365 groups to protect these chats, except for customers that have enabled optical character recognition (OCR) in Teams chat.
ID: 401127 Release: Microsoft Purview – GCC, GCC High, DoD Tags: November CY2026
Microsoft Teams: Local PTZ for Microsoft Teams Rooms on Windows
Microsoft Teams Rooms on Windows will provide native Pan-Tilt-Zoom (PTZ) controls for connected cameras that support this capability. The feature will initially contain limited support for cameras with mechanical/optical PTZ, with digital PTZ to come in the future.
ID: 409534 Release: Microsoft Teams – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: September CY2026
Microsoft Purview compliance portal: Endpoint Data Loss Prevention – Optical Character Recognition (OCR) on Mac Endpoints
Purview policies like Data loss prevention (DLP) auto labelling can scan for sensitive content in most of the textual files, but images are not supported for content scanning today on Mac endpoint devices. We are adding OCR support on Mac endpoints to detect sensitive content in images and apply policies to protect these images.
ID: 410247 Release: Microsoft Purview – GCC, GCC High, DoD Tags: January CY2027
Outlook: Calendar support in Online Archive
Add calendar support in Online Archive.
ID: 410249 Release: Outlook – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: June CY2027
Data Loss Prevention- DLP Policy Change Insights with Security Copilot
Copilot for Security in DLP can summarize DLP policies. This enhancement enables DLP admins to gain insights on coverage of policies viz. location, classifiers and notifications, and more. DLP admins can get these insights on all the policies or on few selected policies. They will be able to use prompts to gain deeper level view of how a policy is configured for their digital landscape. This helps them align their data posture on a regular basis and make corrections to policy posture as needed. #copilotcontrolsystem
ID: 472031 Release: Microsoft Purview – GCC, GCC High, DoD Tags: September CY2026
Microsoft Purview compliance portal: Data Lifecycle Management – Introduction of secure workflow to bypass legal holds and retention policies in Exchange
The first release of Priority cleanup enables admins to create a recurring exception to delete items under a broader retention policy and/or legal hold on Exchange workload. Creating a Priority cleanup will require a separate security role, multiple approvers, and will have a complete audit trail
ID: 473493 Release: Microsoft Purview – GCC, GCC High, DoD Tags: November CY2026
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: Ability to separate out the Townhall attendee invites
This backend change will now address the ‘separation of attendee’ invites from the events crew. This feature allows the organizers of Townhalls to maintain separate invites for attendees.
ID: 476488 Release: Microsoft Teams – Worldwide (Standard Multi-Tenant), GCC, GCC High Tags: October CY2026
Microsoft Purview compliance portal: Scanner data export for custom reporting
Learn about the state of your scanned repositories and create custom reports with the information protection scanner. Labeling, classification and protection actions on scanned files are stored in SQL tables that form a foundation to feed into custom reports.
ID: 494839 Release: Microsoft Purview – Worldwide (Standard Multi-Tenant), GCC, GCC High Tags: September 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
Microsoft Purview Compliance Portal: Information Protection- Scan existing files in SharePoint and OneDrive for business for sensitive information
This new capability will enable admins to scan existing files at rest in SharePoint or OneDrive for business for sensitive data.
ID: 499076 Release: Microsoft Purview – GCC, GCC High, DoD Tags: December CY2026
Microsoft Teams: New sharing panel in meetings – improved content discovery and ease of sharing
The sharing panel in today’s meetings is the default place for content discoverability and sharing. New sharing panel UI is crafted with intent of modernising and simplifying default tasks such as window sharing, but also for easier discovery of sharing options and more discoverable file sharing.
ID: 502520 Release: Microsoft Teams – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: October CY2026
Universal Print: Scan with Universal Print
I can scan documents using my regular scanning capable multi-functional-printer and will get an email notification that my scan is ready to download.
ID: 519572 Release: Universal Print – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: June CY2027
Universal Print: audit logging
I can access Universal Print audit records of key administrator and user activities, such as print job submissions, configuration changes, and printer registrations. Audit records will be available in Microsoft Purview’s Unified Audit Log for compliance and long-term record-keeping.
ID: 519573 Release: Universal Print – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: January CY2027
Microsoft Purview: Insider Risk Management- Insider risk management for agents
As AI agents become deeply embedded in enterprise ecosystems, they are evolving beyond simple tools or workflows into a digital workforce. These agents can interpret intent, access and manipulate enterprise data, execute actions and even make real-time decisions. In many ways, they operate like human insiders only with machine-speed data processing capabilities. To govern and protect these agents effectively, Microsoft Purview Insider Risk Management is being expanded to agents, with specific indicators and insider risk score built for agents based on agentic activities. 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: 545063 Release: Microsoft Purview – GCC, GCC High, DoD Tags: October CY2026
Microsoft Copilot (Microsoft 365): Copilot Chat in Outlook expands to reason over inbox, calendar, and enterprise data
Copilot Chat in Outlook expanding to support reasoning over a user’s entire inbox, calendar and other enterprise data for Microsoft 365 Copilot Chat users (without a Microsoft 365 Copilot license) .
ID: 554934 Release: Outlook, Microsoft Copilot (Microsoft 365) – GCC, GCC High, DoD Tags: September CY2026
Microsoft Teams: Chat for organizers and presenters in structured meetings and webinars on Teams Rooms on Windows
When a Teams Rooms on Windows acts as an organizer, co-organizer or presenter in a structured meeting or webinar, you have access to the private chat for event management known as the Event Group. You can also switch to a separate chat with attendees enabling smooth event experiences for all. Available in Teams Rooms Pro-licensed rooms.
ID: 557165 Release: Microsoft Teams – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: October CY2026
Microsoft Purview: Insider Risk Management – Pay-as-you-go model for Other Generative AI apps indicators
Other AI apps will move to pay-as-you-go model. Microsoft Copilot experiences indicators can still be used for free even without subscription. To continue using Other AI apps indicators, please link an Azure subscription to Microsoft Purview to enable billing. Insider Risk Management indicators transitioning to a pay-as-you-go pricing model: “Entering risky prompt in Other AI apps”. This indicator is present in Policy indicators-> Generative AI apps -> Other AI apps 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 to manage security and compliance. 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: 558288 Release: Microsoft Purview – GCC, GCC High, DoD Tags: March CY2027
Microsoft Purview: Data Lifecycle Management – Power Automate integration with records management
Initiate a Power Automate workflow when the item reaches the end of its retention period. For example, execute a complex disposition approval process or move the file to an archive.
ID: 558859 Release: Microsoft Purview – GCC, GCC High, DoD Tags: January CY2027
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: September CY2026
Microsoft Purview: Purview in Microsoft Admin Center
AI and IT admins in Microsoft Admin Center can 1) gain visibility around oversharing risks and drive remediations 2) Understand how much of sensitive copilot interactions are protected and turn on Purview DLP for M365 Copilot right from there. Enables secure adoption of Copilot.
ID: 559617 Release: Microsoft Purview – GCC, GCC High, DoD Tags: October CY2026
Microsoft Purview: Insider Risk Management- IRM alerts in XDR
With this feature, IRM alerts and other supporting data will be available in the following Microsoft Defender XDR experiences: 1. IRM alerts will be surfaced in unified alert and Incident queue in Microsoft Defender XDR. 2. IRM alerts, Indicators and enriched events will be available in Microsoft Defender XDR advanced hunting. Analysts can leverage KQL queries to identify potentially hidden risky patterns in data security related user activity. 3. IRM alert, Indicators and enriched events will be exposed through Graph API. This feature can be enabled through “Share data with Microsoft Defender XDR” within Microsoft Insider Risk Management settings IRM data in Microsoft Defender XDR does not honor anonymization. This is to enable effective correlation of IRM alerts with alerts from other solutions in Microsoft Defender XDR platform (such as Defender for Endpoint, Defender for Cloud apps, etc.). 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: 560075 Release: Microsoft Purview – GCC, GCC High, DoD Tags: September CY2026
OneDrive: Sync Support for up to 1 million items on Windows
OneDrive Sync supports syncing up to 1 million items on Windows devices, helping teams manage large document libraries and shared content at scale without compromising access across devices. This preview requires the Insiders ring and that devices meet minimum hardware and configuration requirements. Devices that don’t meet these requirements continue to sync at the existing 300,000-item supported limit with no disruption.
ID: 560549 Release: OneDrive – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: December CY2026
Microsoft Purview: Data Lifecycle Management – Hard delete capability for OneDrive and SharePoint through secure priority cleanup workflows
Data Lifecycle Management allows compliance admins to retain, review and delete content in M365 workloads. Deletion of content to adhere to compliance requirements, admins can set up Retention policies or labels. To help prevent inadvertent data loss, M365 retention labels policies and M365 retention policies do not hard delete content immediately and keeps the data in Recycle Bins for 93 days for ODSP. Hard delete itself is a very costly process as it opens Microsoft to heavy legal implications in case of any data loss incident that may occur due to a misconfigured policy or regression. Priority Cleanup feature allows users to bypass retention, and eDiscovery holds to help customers comply to changing legal/compliance requirements or manage data spillage scenarios. This feature requires the ability to hard delete specific files from the scoped locations. Ability to select hard delete configuration for a Priority cleanup policy for OneDrive and SharePoint content and skip recycle bins.
ID: 561034 Release: Microsoft Purview – GCC, GCC High, DoD Tags: November CY2026
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.
ID: 561209 Release: Microsoft Purview – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: September CY2026
Microsoft Copilot (Microsoft 365): Copilot in Forms – US Government clouds
Copilot in Forms is being enabled for Microsoft Forms in Government Cloud environments, bringing end-to-end AI assistance to forms, from creating a form, to refining and sending to analyzing results. This rollout includes key Copilot features such as: – Draft with Copilot – Distribution and monitoring – Copilot Insights – On-canvas Copilot features such as Rewrite question, Continue writing, Answer explanations, and more.
ID: 561485 Release: Forms, Microsoft Copilot (Microsoft 365) – GCC, GCC High, DoD Tags: September CY2026
Microsoft Teams: Town hall media optimization for VDI attendees
What’s new Teams now supports audio and video offloading for Town hall attendees in VDI environments that are using the new optimization. Media streams are offloaded directly to the user’s local device, improving performance and delivering a high definition viewing experience while reducing virtual desktop resource usage. Who it applies to • Windows endpoints only using the new VDI optimization • Supported VDI platforms: o Azure Virtual Desktop and Windows 365 o Citrix o Omnissa o Amazon WorkSpaces What stays the same All attendee interactivity features remain supported, including captions, DVR, reactions, streaming chat, and Q&A. Additional details First party and third party eCDNs are supported. When enabled, the attendee’s endpoint establishes a direct peer to peer connection using the local device network, avoiding virtual desktop double hop traffic. Action required No action is required if the new optimization for Microsoft Teams is already enabled.
ID: 561648 Release: Microsoft Teams – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: September CY2026
Universal Print: Badge API
Admins can map employee badge credentials (card or NFC) to user identities in Universal Print, enabling users to release secure print jobs at compatible printers with a simple tap—no app, PIN, or sign-in required at the device. This enhances existing badge-based release with a standardized, cloud-based identity mapping model integrated with Microsoft 365.
ID: 561921 Release: Universal Print – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: June CY2027
Microsoft Teams: Preloaded video for Teams Events and Meetings
Users can now upload videos directly into a Teams event or meeting from OneDrive from the “Manage view” options when an organizer has turned on Manage What Attendees See mode. This ensures a smoother high quality video playback with a more consistent experience for attendees.
ID: 562340 Release: Microsoft Teams – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: October CY2026
Microsoft Purview: Data Lifecycle Management – Archive OneDrive and SharePoint files under retention
With the introduction of file archiving support in SharePoint Online, administrators are looking to seamlessly include archiving actions within their existing data retention policies. This means that, in addition to keeping or deleting data, admins want to now leverage Purview DLM to archive files according to organizational requirements, ensuring comprehensive governance across all stages of the content lifecycle in SPO. Retention based file archiving moves inactive content to low-cost storage, lowering costs with no compromise on Compliance, keeping data discoverable and making Copilot results highly relevant.
ID: 562345 Release: Microsoft Purview – GCC, GCC High, DoD Tags: September CY2026
Microsoft 365: Pay-as-you-go storage for OneDrive
New pay-as-you-go, consumption-based meter for additional OneDrive storage. Control which OneDrive accounts can grow beyond their licensed storage limits and give selected users more space as needed.
ID: 562352 Release: OneDrive – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: November CY2026
Microsoft Purview: Data Loss Prevention – Reduce policy sync status SLA on the Purview UI from 2 hours to 30 mins
Policy updates in Microsoft Purview now sync faster, reducing wait times from up to 2 hours to just 30 minutes, so your protections stay up to date and take effect more quickly across your organization.
ID: 562994 Release: Microsoft Purview – GCC, GCC High, DoD Tags: December CY2026
Outlook: Choose to Show Unread or Total Count for Each Folder
You can now pick whether each folder in your folder pane shows the unread count or the total item count. Until now, Outlook only displayed unread counts, but sometimes you need to see how many items are in a folder overall. Just right-click any folder and choose whether to show the total or unread count. It gives you more control over how you keep track of your email without changing how anything else works. #newoutlookforwindows
ID: 563807 Release: Outlook – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: October CY2026
Outlook: Navigate Your Favorite Folders Without Expanding the Folder Pane
You can now quickly switch between your favorite folders without opening the full folder pane. When the pane is collapsed, your favorite folders appear as a vertical list, giving you one-click access to the folders you use most. Each folder shows unread or total counts so you always know what needs attention. Right-click any favorite for the same options you’re used to, and your selections stay put across sessions. It’s a familiar experience for anyone who loved favorites in classic Outlook, now built right into the new Outlook. #newoutlookforwindows
ID: 563810 Release: Outlook – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: September CY2026
Microsoft Purview: Insider Risk Management – Enhanced user profile in IRM alerts
We’re enhancing the User section within Insider Risk Management alerts to provide investigators with more contextual user profile and risk attributes directly within their workflow. With this update, analysts can now view key user details such as employee type, office location, start date, policy inclusion, priority user group status, and last working day—helping them build a more complete understanding of the user during investigations without navigating away from the alert experience. This feature will be available as part of the new alert workflow through the Alert Details panel. Additional user attributes will continue to be introduced over time, with pseudo‑anonymization honored to support privacy‑by‑design investigation practices. 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: 564619 Release: Microsoft Purview – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: October CY2026
Microsoft Purview: Insider Risk Management – Expanding note capabilities across alerts & cases
We’re introducing a new collaboration capability in Insider Risk Management that enables analysts and investigators to add notes directly within alerts. With this feature, users can document investigation progress, share findings, and capture key context throughout the triage process. In addition to manually added notes, system‑generated notes will automatically record updates such as alert status changes or user assignments — helping teams maintain a clear and auditable investigation timeline. By centralizing investigation history directly within alerts, this update helps improve collaboration and ensures all stakeholders stay aligned throughout the investigation lifecycle. These note enhancements will also be made available in Cases. 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: 564620 Release: Microsoft Purview – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: October CY2026
Microsoft Purview: Insider Risk Management – Unified alert queue
We’re introducing a new unified alert triage experience in Insider Risk Management that brings agent‑driven insights directly into the standard Alerts queue. With this update, analysts can view agent categorizations alongside traditional alert filters and columns in a single, consolidated workflow. The updated alert details panel, enables faster investigation and action from the alerts list page by embedding agent insights directly into the alert experience. To support customer transition, the existing alert and agent triage experience will remain available for 60 days and can be accessed via the Alerts tabs under Users in the left navigation. 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: 564621 Release: Microsoft Purview – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: October CY2026
Outlook: New Outlook for Windows for GCC-H and DoD
The new Microsoft Outlook for Windows will be available for US Government clouds (GCC-H and DoD sovereign environments).
ID: 564913 Release: Outlook – GCC High, DoD Tags: September CY2026
Microsoft Teams: Granular channel notification controls
Microsoft Teams introduces flexible presets for channel notifications, allowing you to choose between All new messages, @mentions and replies, or Mute. You can further customize alerts for unfollowed threads, tags, and channel or team mentions, as well as control banner notifications for the channel. This added flexibility enables you to set notifications to match to your work style and reduce unnecessary distractions.
ID: 565132 Release: Microsoft Teams – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: October CY2026
Microsoft Purview: eDiscovery – In-product diagnostics to troubleshoot common challenges
Self-service diagnostics help identify common issues with case permissions, security filters, and policy status. The experience highlights potential misconfigurations and provides simple guidance to help customers understand and resolve them. This brings basic troubleshooting into the product and helps eDiscovery admins overcome common challenges.
ID: 565222 Release: Microsoft Purview – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: November CY2026
Microsoft Purview: eDiscovery – Advanced Review Set Explorer
The Advanced Review Set Explorer empowers reviewers to harness the power of real-time big data analytics on their review set data. This tool enhances data analysis by offering insights such as identifying top item types, spotting patterns, and trends within the review set. Reviewers can utilize powerful Kusto query constructs like complex filtering, pattern-based text extraction, and data format parsing to analyze and find key information specific to their case or organization. The results can then be visualized using various flexible charting solutions, providing a comprehensive understanding of the data’s story.
ID: 565372 Release: Microsoft Purview – GCC, GCC High, DoD Tags: December CY2026
Microsoft Purview: eDiscovery – CMK (Customer managed key) for eDiscovery direct export
This release of eDiscovery features the implementation of customer-managed key (CMK) options, allowing users to manage their own encryption keys for the data included in the direct export workflow in eDiscovery, adding to the Microsoft-managed encryption already in place.
ID: 565373 Release: Microsoft Purview – GCC, GCC High, DoD Tags: January CY2027
Microsoft Purview: Endpoint Data Loss Prevention – Policy Sync & Device Health AI-Powered Investigation
AI-powered visibility into DLP policy deployment across devices, helping admins track sync progress and understand enforcement coverage. They proactively identify impacted devices, explain root causes of sync failures, and guide admins with recommended actions to quickly diagnose and resolve issues.
ID: 565374 Release: Microsoft Purview – GCC, GCC High, DoD Tags: November CY2026
Microsoft Purview: Data Lifecycle Management – Azure PST Import
Azure PST Import is a migration method that enables PST files stored in Azure Blob Storage to be imported directly into Exchange Online mailboxes. It follows the standard two‑step Exchange Migration Service pattern: an initial analysis phase to validate and assess PST data, followed by execution of the actual migration. The process also involves creating a migration endpoint, running an analysis-only migration batch, using the analysis results to configure the final batch, and then starting the batch to import PST content into target mailboxes.
ID: 565865 Release: Microsoft Purview – GCC, GCC High, DoD Tags: November CY2026
Microsoft Purview: Endpoint Data Loss Prevention – Protect sensitive data over FTP and SFTP with Endpoint DLP
Endpoint DLP support for FTP and SFTP enables organizations to monitor and protect sensitive data transferred from managed endpoints using FTP and SFTP, helping prevent unauthorized data exfiltration while maintaining visibility and control.
ID: 565868 Release: Microsoft Purview – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: October CY2026
Microsoft Teams: Personal message reminders for chat and channels
Teams now lets you set and manage reminders directly on chat and channel messages, helping you keep track of important items. Create, update, complete, and delete reminders, track them in a dedicated Reminders view, and receive timely notifications when they become due. Reminders are private to each user and include message context, making them easy to revisit and act on when needed.
ID: 565869 Release: Microsoft Teams – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: October CY2026
Outlook: Export support for data files in Mac Outlook
This feature adds support for exporting PST files into Outlook for Mac.
ID: 566203 Release: Outlook – GCC, GCC High, DoD Tags: September CY2026
Microsoft Purview: Data Lifecycle Management – Adaptive Protection integration with Data Lifecycle Management
Adaptive Protection in Microsoft Purview helps you protect your organization’s data by integrating dynamic insider risk levels, determined by data related activities, with various policy engines to automatically moving users in and out of policies as their risk levels change over time. The integration with Data Lifecycle Management will automatically apply retention labels to preserve deleted emails and files based on a user’s insider risk level.
ID: 566324 Release: Microsoft Purview – GCC, GCC High, DoD Tags: November 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: September CY2026
Microsoft Teams: Clearer text highlighting in dark mode and high contrast mode
We’ve improved how highlighted text looks when composing messages in dark mode and high contrast mode, giving you a more consistent editing experience.
ID: 566858 Release: Microsoft Teams – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: September CY2026
Outlook: New Copilot entry point in Classic Outlook
We’ve introduced a new experience for Copilot in the apps—a consistent entry point across apps that sits above your work and understands the context beneath it. Rather than scattering touchpoints across the interface, it anchors Copilot as one connected system across Microsoft 365, surfacing relevant actions that help you stay in flow. With this release, we are rolling out this new experience – already available across other Outlook endpoints, as well as in Word, Excel and PowerPoint – to classic Outlook.
ID: 567007 Release: Outlook, Microsoft Copilot (Microsoft 365) – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: September CY2026
SharePoint: Create new workflows with Copilot in SharePoint
Describe a workflow intent such as “when files are set to status = Complete, post a message in my Teams chat” and Copilot in SharePoint will assemble the necessary triggers, conditions, and actions to setup your workflow. You can come back to Copilot in SharePoint at any time to make changes or click “Workflows” from the command bar to see your live workflow.
ID: 567009 Release: SharePoint – Worldwide (Standard Multi-Tenant), GCC, GCC High Tags: December CY2026
Microsoft Purview: Data Loss Prevention – User Based Aggregation of DLP Alerts
Enable aggregation of DLP alerts based on common entities user even when multiple rules are matched. This feature should consolidate related alert events into a single alert object to: Reduce alert noise, simplify investigation workflows, enhance contextual understanding of violations.
ID: 567010 Release: Microsoft Purview – GCC, GCC High, DoD Tags: September 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: SharePoint app in Teams
When a user who has access to the SharePoint app in Teams clicks a SharePoint page or news link in Teams chat or channels, the link will open inside the SharePoint app in Teams (if available) instead of the mobile browser
ID: 567314 Release: Microsoft Teams, SharePoint – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: September 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: 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: Proximity join support for attendees in Teams events from Teams Rooms on Windows and Android
Attendees can take advantage of proximity join with Teams Rooms on Windows and/or Android for fast, effortless connection to nearby room systems during Teams events, such as town halls, webinars, and structured meetings.
ID: 568781 Release: Microsoft Teams – Worldwide (Standard Multi-Tenant), GCC, GCC High Tags: October CY2026
Microsoft Defender for Identity: Unified identity timeline on the Identity page
The updated identity timeline provides security teams with a single chronological view of activity and alerts associated with an identity and its linked accounts. It normalizes activity from integrated Microsoft security products, including Microsoft Entra sign-ins, Microsoft Graph audit events, SaaS and cloud activity, and device logons. New fields and filters include Source table, Session ID, and Unique token identifier, with expanded Conditional Access and event context.
ID: 568784 Release: Microsoft 365 Defender, Microsoft Defender – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: September CY2026
Outlook: Enhanced user interface updates for iPhone and iPad
People using Outlook for iOS on iPhone and iPad will see refreshed interface elements aligned with the latest Liquid Glass iOS visual experience, including modernized app chrome, navigation, and use of screen space. It will be enabled by default with no administrator action required.
ID: 568789 Release: Outlook – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: September CY2026
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.
ID: 568790 Release: OneDrive, SharePoint, Microsoft Copilot (Microsoft 365) – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: October CY2026
Planner: Refreshed experience and new capabilities
Microsoft Planner will be updated with a cleaner, more modern interface, improved navigation, responsive layouts, and a more consistent experience across Planner in Teams and Planner for the web. This update also introduces Goals in basic plans.
ID: 568792 Release: Planner – GCC High Tags: September CY2026
OneDrive: Anchored comments in the PDF viewer
Microsoft is adding anchored comments to the PDF viewer in OneDrive and SharePoint on the web. Users can attach a comment to a specific spot on a page, to selected text, and collaborate through replies and @mentions — bringing PDF review to parity with commenting in Office documents. This feature will be on by default and requires no admin action.
ID: 569020 Release: OneDrive, SharePoint – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: October CY2026
Outlook: Purview Label Inheritance from Email Attachment for iOS and Android
Outlook for iOS and Android will support Microsoft Purview sensitivity label inheritance from attachments. When users attach files with sensitivity labels, Outlook can automatically apply or recommend an email sensitivity label based on organizational policy settings. This helps organizations maintain consistent data classification and protection while reducing manual labeling effort.
ID: 569021 Release: Outlook – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: September CY2026
Outlook: Microsoft Purview Label Inheritance from Email Attachments
When composing an email in Outlook for Mac, Microsoft Purview sensitivity labels can be automatically applied or recommended based on the sensitivity labels of attached files. This helps users consistently protect sensitive information, reduces manual labeling effort, and supports organizational compliance requirements by aligning email protection with the sensitivity of attached content.
ID: 569022 Release: Outlook – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: September CY2026
OneNote: New Copilot Notebooks design in the Microsoft 365 Copilot app (DoD, GCC, GCC High)
The new Copilot Notebooks design in the Microsoft 365 Copilot app for DoD, GCC, and GCC High clouds now lets users organize related chats, output creations, and references into a persistent AI workspace. Copilot uses the Notebook’s accumulated context to ground responses, so work continues across sessions instead of starting over each time. While this is the quicker, light-weight Notebooks experience, you can still find the workspace-forward experience in OneNote.
ID: 569203 Release: OneNote – GCC, 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
Microsoft Copilot (Microsoft 365): Federated Copilot Connectors in Microsoft 365 Copilot
Federated Copilot connectors enable users to securely connect Microsoft Copilot to their favorite third party sources, retrieving data in real-time using the Model Context Protocol (MCP). Federated Copilot connectors do not store or index customer data in Microsoft – access happens in real time using the user’s own identity, while administrators retain full governance and control through the Microsoft 365 Admin Center. With GA, federated Copilot connectors will be supported across Researcher agent and Microsoft 365 Chat, allowing users to bring data into their workflows.
ID: 569212 Release: Microsoft Copilot (Microsoft 365) – GCC, GCC High, DoD Tags: September CY2026
Microsoft Teams: Copilot Chat for chats, channels, calls, and meetings in GCC, GCC High, and DoD
Copilot Chat will soon be available across chats, channels, calls, and meetings, helping users stay informed and catch up quickly.
ID: 569214 Release: Microsoft Teams, Microsoft Copilot (Microsoft 365) – GCC, GCC High, DoD Tags: October CY2026
Microsoft Teams: Malicious URL Protection for Teams Chat and Channels for Gov clouds
Microsoft Teams can now detect and warn users on malicious URLs sent in Teams chat and channels in Gov clouds, increasing protection against malware attacks for Gov clouds customers.
ID: 569421 Release: Microsoft Teams – GCC, GCC High, DoD Tags: October CY2026
Outlook: Change the organizer of a meeting
Transfer ownership of a meeting or recurring meeting series to another person in your organization. The new organizer must accept the transfer before it is completed. This helps maintain continuity for long-running meetings while preserving the existing event for attendees. Available in Outlook for Windows and web and Teams calendar.
ID: 569431 Release: Microsoft 365, Outlook – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: September CY2026
Microsoft Teams: App centric management in Teams Admin Center to manage the Apps access for tenants, end-users, and groups in GCC High
App centric management introduces new admin settings to control who in the tenant can install Teams apps. First, admins can set a default value for new apps that are published to Teams app store. Second, admins can edit the availability of an app to “All users can install,” “Specific users and groups can install,” or “No user can install.” This feature evolves the existing app permission policies and provides admins with the ability to manage access to the app individually. The app permission policies for existing customers are migrated to maintain existing app availability in the tenant.
ID: 569433 Release: Microsoft Teams – GCC High Tags: October CY2026
Microsoft Purview: Data Loss Prevention – Default Protection Controls for Exchange Online in the event of classification failure
Default protection controls for Exchange Online is available in public preview. This release gives administrators fine-grained control to create DLP policies based on specific classification or text extraction failure types — such as timeout, throttling and other scan errors — rather than one blanket policy for all failure conditions.
ID: 569477 Release: Microsoft Purview – GCC, GCC High, DoD Tags: September CY2026
Outlook: Purview Data Loss Prevention support for Calendar Events in Outlook mobile apps
Outlook for iOS and Android will support Microsoft Purview Data Loss Prevention (DLP) policies for calendar events. Organizations can detect and help prevent the sharing of sensitive information in meeting subjects, descriptions, and invite content through policy tips, user remediation, and policy enforcement. This provides consistent compliance protection across email and calendar experiences on mobile devices.
ID: 569716 Release: Outlook – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: September CY2026
Outlook: Purview Data Loss Prevention support for Calendar Events in Outlook for Mac
Outlook for Mac will support Microsoft Purview Data Loss Prevention (DLP) policies for calendar events. Organizations can detect and help prevent the sharing of sensitive information in meeting subjects, descriptions, and invite content through policy tips, user remediation, and policy enforcement. This provides consistent compliance protection across email and calendar experiences on Mac devices.
ID: 569717 Release: Outlook – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: September CY2026
Outlook: Purview DLP Wait-on-Send Support for Outlook mobile apps
Outlook for iOS and Android will support Microsoft Purview Data Loss Prevention (DLP) wait-on-send policies. Organizations can require a DLP evaluation before an email is sent and configure how long users must wait for policy evaluation to complete. This helps ensure sensitive information is inspected against organizational policies before messages leave the organization while providing administrators with flexible control over the user experience.
ID: 569718 Release: Outlook – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: September CY2026
Outlook: Purview DLP Wait-on-Send Support for Mac
Outlook for Mac will support Microsoft Purview Data Loss Prevention (DLP) wait-on-send policies. Organizations can require a DLP evaluation before an email is sent and configure how long users must wait for policy evaluation to complete. This helps ensure sensitive information is inspected against organizational policies before messages leave the organization while providing administrators with flexible control over the user experience.
ID: 569719 Release: Outlook – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: September CY2026
Microsoft Viva: Viva Insights and Copilot Analytics in GCC-High
Microsoft Viva Insights and Copilot Analytics are coming to Microsoft 365 Government Community Cloud High (GCC High), providing eligible organizations with privacy-protected, role-based analytics experiences to help them understand Microsoft 365 Copilot adoption, usage, and impact. Viva Insights also provides data-driven behavioral insights into how employees collaborate, helping organizations improve productivity and wellbeing within the GCC High environment.
ID: 570428 Release: Microsoft Viva – GCC High Tags: September CY2026
Microsoft 365: Organizational Data Service is now available in GCC-High
We’re excited to announce that Microsoft 365 Organizational Data Service is now available in the GCC-High (GCC-H) environment! Microsoft 365 Organizational Data Service enables rapid ingestion of organizational/HR data through connectors from multiple HRIS systems using a single unified ingestion point. This service also provides organizational data for use across Microsoft Copilot and Microsoft 365 apps to power various features with robust data quality framework that detects, communicates, and provides solutions for data quality issues before data is used.
ID: 570431 Release: Microsoft 365 – GCC High Tags: September CY2026
Microsoft Teams: Mandatory pre-meeting consent
We are providing a new configuration experience in Teams Admin Center where tenant admins can enable and customize an explicit consent message before joining any meeting hosted in their organization.
ID: 561914 Release: Microsoft Teams – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: September CY2026
Microsoft Teams: PowerPoint Live Light theme support
Presenting PowerPoint slides in Teams just got better. PowerPoint Live now supports light mode, giving presenters the option to present in light, dark, classic, or high contrast mode based on their preferences and system settings.
ID: 567469 Release: Microsoft Teams – Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD Tags: September CY2026
Microsoft Teams: Intelligent call recaps in Queues app
Spend less time catching up on call recordings to resolve customer issues faster. For recorded call queue calls, the Queues app now supports intelligent call recaps for recorded calls that includes AI-generated summary notes, key discussion points, and follow-up actions. Navigate to the call record in the Queues app and select the Recap tab to access.
ID: 569017 Release: Microsoft Teams, Microsoft Copilot (Microsoft 365) – Worldwide (Standard Multi-Tenant), GCC, GCC High Tags: September CY2026
There are no launched Microsoft roadmap updates for GCC High this week.
Microsoft Copilot (Microsoft 365): Proactive push notifications for the Microsoft 365 Copilot mobile app
The Microsoft 365 Copilot mobile app will proactively send push notifications for common productivity workflows like ‘Your Day at a Glance’ and ‘Items waiting for you’, which send users to the respective Copilot response when opened. This feature taps into your Copilot Memory and will be available for users with Microsoft 365 Copilot licenses and can also be accessed once opening the Microsoft 365 Copilot app. Updated August 26, 2026: We have decided not to move forward with this change at this time. We apologize for any inconvenience.
ID: 560339 Release: Microsoft 365 app, Microsoft Copilot (Microsoft 365) – GCC, GCC High, DoD Tags: September CY2026