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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
Microsoft Support and Recovery Assistant (SaRA) command-line utility . . . Microsoft has officially removed the SaRA utility from all in-support versions of Windows updates released on and after March 10, 2026 Can I reuse SaRA scripts with the Get Help command-line tool? No, all these scripts are migrated to GetHelpCmdLine These scripts no longer work in the SaRACmdLine environment
March 10, 2026—KB5079473 (OS Builds 26200. 8037 and 26100. 8037 . . . This cumulative update for Windows 11, version 25H2 and 24H2 (KB5079473), includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release 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
What’s New in Microsoft 365 Copilot | March 2026 | Microsoft Community Hub Welcome to the March 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 capabilities: Video recap of meetings in Copilot Chat