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Microsoft 365 Copilot Blog Today we're expanding model choice in Microsoft 365 Copilot with the addition of Anthropic's latest model—Claude Opus 4 7—now available in Copilot Cowork (Frontier) and Copilot Studio early release cycle environments, and rolling out to Copilot in Excel Opus 4 7 is designed to be faster and more precise, with improved ability to select the right tool for the task It handles complex
What’s New in Microsoft 365 Copilot | April 2026 | Microsoft Community Hub Welcome to the April 2026 edition of What's new in Microsoft 365 Copilot! Every month, we highlight new features and enhancements to keep Microsoft 365 admins up to date with Copilot features that help your users be more productive and efficient in the apps they use every day Let’s take a closer look at what’s new this month: User
Available today: GPT-5. 5 Thinking and ChatGPT Images 2. 0 in Microsoft . . . Today, we’re expanding what Microsoft 365 Copilot can do with GPT-5 5 Thinking and ChatGPT Images 2 0 bringing stronger support for deeper analysis, multi-step work, and visual creation GPT-5 5 Thinking is now available in Copilot Studio early release cycle environments as GPT-5 5 Reasoning and is rolling out across Microsoft 365 Copilot in Copilot Chat, Word, Excel, and PowerPoint ChatGPT
March 21, 2026—KB5085516 (OS Builds 26200. 8039 and 26100. 8039) Out-of . . . This out-of-band update for Windows 11, version 25H2 and 24H2 (KB5085516) is cumulative It includes updates from previous security and non-security releases, along with an additional fix To learn more about differences between security updates, optional non-security preview updates, out-of-band (OOB) updates, and continuous innovation, see Windows monthly updates explained For information