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Available today: Anthropic’s Claude Sonnet 5 in Microsoft 365 Copilot

Available today: Anthropic’s Claude Sonnet 5 in Microsoft 365 Copilot Microsoft 365 Copilot Blog articles     •     July 2, 2026, 3:55 pm Starting today, Anthropic's Claude Sonnet 5 is available in Microsoft 365 Copilot—a new frontier model rolling out in Copilot Cowork and PowerPoint, built for agentic, multi-step work across everyday…

What’s New in Microsoft 365 Copilot | June 2026

The workflow is the product: Copilot Cowork plugins change what AI can do for businesses

What’s New in Notebooks | June 2026

Available today: Anthropic Claude Fable 5 in Microsoft 365 Copilot

Learning Agent now generally available — personalized AI upskilling for every employee

What’s New in Notebooks | May 2026

Scaling the reach of finance: what’s next with Finance Agent in Microsoft 365 Copilot

Finance Agent Benchmark: evaluating and improving AI for Finance

What’s New in Microsoft 365 Copilot | May 2026

Available today: Anthropic Claude Opus 4.8 in Microsoft 365 Copilot

Recertified: How Microsoft 365 Copilot continues to earn trust and What Changed in a Year

Microsoft 365 Copilot Declarative Agents Are Getting Smarter with GPT‑5.2