Turn Excel Into Your AI Teammate: How To Use Agent Mode In Excel For The Web
Agent Mode in Excel turns Copilot from a polite assistant into a hands-on builder that can reshape your workbook for you. If you work with reports, budgets, or messy data, this is the rare feature that can actually give you hours back each week.
By Rodger Mansfield, Technology Editor
January 19, 2026
One more column, one more formula, one more chart, and suddenly you are deep in a maze of references and formatting.
Here's a Cool Tip: Use Agent Mode in Excel for the Web
Instead of nudging Copilot one prompt at a time, you describe the outcome you want, and Agent Mode plans, builds, and revises a multi-step workflow inside your workbook.
It behaves less like a chatbot and more like a junior analyst who can explain what it is doing as it goes.
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