Update: Domain Exclusion for Microsoft 365 Copilot Measuring the value of Cowork: From AI interactions to completed work Available today: OpenAI GPT-6 Astra in Microsoft Copilot Available today: Anthropic Claude Fable 5.1 in Microsoft Copilot What’s New in Microsoft Copilot | August 2026 Copilot Notebooks now works with Markdown, plain-text, and rich-text files Built for business: How Microsoft 365 Copilot keeps you in the flow of legal work ICYMI: Partner Blog | From AI curiosity to Copilot adoption in 30 days Update: Domain Exclusion for Microsoft 365 Copilot What’s New in Microsoft 365 Copilot | July 2026

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