Claude Now Works Inside Excel: Microsoft Drops Anthropic’s AI Into The Spreadsheet 750 Million People Use
Summary
Microsoft has added Anthropic’s Claude to Excel Agent Mode, bringing a frontier AI model directly into one of the world’s most widely used productivity tools. The integration lets users write formulas, clean data, generate analysis, and automate workflows without leaving the spreadsheet. Microsoft also expanded its Foundry catalog to more than 11,000 models and tied them to Azure authentication and billing. The move creates immediate enterprise value, but it also introduces usage-based costs that scale with adoption. For Anthropic and Microsoft, this pushes AI distribution and billing deeper into everyday office work.
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Accounting and Taxes
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Anthropic
$10M to $25M