Microsoft is moving Dataverse closer to Microsoft 365 Copilot, potentially giving agents native access to business records alongside email, chats, and files. The broader strategy also points toward “headless Office,” where Copilot becomes the main interface while Outlook, SharePoint, and Dynamics increasingly operate as back-end services.

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Microsoft will retire the Windows 11 Microsoft 365 companion apps People, Files, and Calendar on December 16, 2026—but they will not uninstall themselves. After Microsoft stopped updates and automatic installations, users and administrators must remove existing copies and prevent them from being redeployed.

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Microsoft has begun rolling out Anthropic’s Claude Opus 5.5 and OpenAI’s GPT-6 Sol across Microsoft 365 Copilot, extending Claude’s reach after it arrived in GitHub Copilot and Microsoft Foundry. The models are available across Word, Excel, PowerPoint, Chat, Cowork, and Copilot Studio, although licensing, region, and deployment differences may affect access.

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Microsoft is ending OneDrive for Business storage expansions past 5 TB. Any account above that limit will be switched to read-only between November 2026 and February 2027. At the same time, Microsoft is launching a metered pay-as-you-go (PAYG) option at $0.20 per GB per month, so tenants that got larger quotas through an approved process now have to either delete data or pay for it.

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Alex Kantrowitz and Ranjan Roy examine the backlash against AI-doom warnings, the planned Anthropic and potential OpenAI IPOs, and signs of slowing demand for frontier models. They debate whether reports of autonomous AI agents hacking systems reflect genuine safety risks, marketing, or both. New spending data suggests that falling token prices, declining frontier-model usage, and concentrated enterprise demand could challenge the business case for leading AI companies.

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Microsoft 365 has a resilience problem. If attackers compromise privileged accounts or applications, they may be able to delete data, identities, and configuration across the tenant. Restoring individual mailboxes or files is possible, but rebuilding a functional tenant with the correct identities, permissions, policies, and service connections remains difficult.

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LibreOffice 26.8 can now round-trip several Microsoft Office chart types without displaying or editing them, protecting documents from accidental chart removal. The safeguard does not fully cover regional map charts, whose geographic data may be lost when files are opened and saved in LibreOffice.

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V7 is rolling out Knowledge Hubs, a searchable long-term memory for AI agents built from a company’s internal files, data rooms, and business systems. Its Context Graph connects entities, relationships, and source evidence so V7 Go can complete 50- to 100-step workflows in minutes while preserving an audit trail for each decision.

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Microsoft has stopped updates and automatic installations for the Microsoft 365 Calendar, People, and Files companion apps ahead of their permanent retirement on December 16, 2026. Existing copies may continue running until then, but administrators should now prevent redeployment and begin removing them from managed devices.

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Microsoft has released fixes for the Excel copy-and-paste failure caused by September’s KB5002914 update, expanding coverage beyond the initial MSI-based Excel 2016 fix. Administrators must manually install the applicable Office package, and some workbooks with conditional formatting may still require a workaround.

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Microsoft is investigating incident TM1475580 after some Teams users began losing the ability to make or receive calls. Reports include calls that fail to connect or drop unexpectedly, while Microsoft 365 Service Health tracks the disruption as a degraded Teams calling service.

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Microsoft Teams is planning a persistent pop-out video window that can keep a sign-language interpreter visible while users switch applications, share screens, or move between monitors. The accessibility feature is currently scheduled for Teams desktop and Mac in December 2026, although Microsoft 365 roadmap dates can change.

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Microsoft Teams users will soon be able to schedule channel meetings directly from Outlook Calendar, with the rollout currently planned for October 2026. The feature will connect the calendar invitation to the selected Teams channel, keeping the meeting conversation and related content with the team that needs it.

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Microsoft is adding a long-requested All Accounts view to Outlook, combining messages from Outlook, Microsoft 365, Gmail, and other connected accounts in one inbox. A separate multi-account search feature is scheduled to begin rolling out to Outlook on the web in October 2026, giving users a ranked result list across mailboxes instead of forcing them to search each account individually.

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Microsoft 365 G7 will go on sale to U.S. Government Community Cloud (GCC) customers on October 1, 2026, ending the government gap that remained after Microsoft 365 E7 launched commercially. The new suite brings Copilot, Agent 365, and expanded governance capabilities to government tenants, although Microsoft has not announced pricing and several features and authorizations will arrive later.

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Microsoft completed the retirement of Office 365 Connectors in Teams on May 22, 2026, leaving old webhook integrations silently unusable until the connected scripts or services try to post. The supported replacement is a Power Automate workflow in Teams, but administrators may need to rediscover forgotten channels, payload formats, and notification logic before rebuilding each integration.

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Microsoft has released KB5002655 to mitigate the KB5002914 regression that caused Excel copy-and-paste failures, but the fix is narrower than many administrators may expect. It applies only to MSI-based Office 2016 installations; Excel 2016 Click-to-Run and newer affected Excel versions still need a workaround or a later fix.

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OpenAI has launched ChatGPT for Microsoft Word, adding a sidebar that can draft, rewrite, proofread, and reorganize documents without sending users to a separate chatbot window. The add-in is available on every ChatGPT plan, including Free, although usage limits still apply.

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Microsoft has added several features to the Queues app for Microsoft Teams that let call queue representatives and supervisors handle customer calls as a team instead of individually. The Queues app is a Teams add-on for managing call queues—the phone lines that distribute incoming customer calls to a group of people, such as a help desk or bank branch team. The update introduces a shared view of call history, a status field for tracking follow-up, a longer reporting window, more self-service controls for supervisors, and support in the Teams mobile app. This article explains what changed and what you need to configure it.

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