Claude Replaces Copilot in 3 Microsoft 365 Apps for One Author

11 articles · Updated · ZDNet · May 28

Three Microsoft 365 apps—Word, Excel and PowerPoint—handled Claude tasks well enough for the author to abandon Copilot after earlier disappointment with Microsoft’s assistant.
Paid Claude plans plus Microsoft 365 are required, and users must install add-ins from Microsoft Marketplace; the tools work in Office 2016 or later on Windows, Mac and the web.
In Word, Claude flagged 8 proofreading changes that the built-in editor missed, then in Excel it generated a pie chart and supporting columns from a budget spreadsheet.
PowerPoint showed Claude’s broader workflow: it challenged a vague prompt, proposed a light-to-heavy redesign, asked for approval at each step, and then created a Word document from the revised presentation.
The test highlights Claude’s cross-app edge inside Microsoft 365, letting users turn spreadsheet data into slides or presentations into documents rather than working only within one file.

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