7. 10. 2025 | Natalie Bezděková

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Just a few days ago, Microsoft unveiled a groundbreaking feature that could transform the way we use Excel and other Microsoft 365 apps. The new Agent Mode takes the Copilot assistant to the next level — turning it from a passive helper into an autonomous digital agent capable of planning, verifying, and correcting results on its own.

In practice, it’s almost magical. You simply type a short command, such as:
“Create a sales overview for 2023 and 2024 by region, calculate the year-over-year change, and add a chart.”
Copilot then does everything automatically — it generates the data, adds the formulas, calculates averages, summarizes results, and creates a clean, professional chart. No manual formulas. No searching through help menus. No second-guessing whether the function is correct.

For demonstration, I asked Copilot to generate sample data. Within seconds, it produced a realistic sales table complete with formatting, labels, and charts. But you can also tell it to pull real data directly from connected files or databases.

With this, Microsoft is ushering in a new era of AI agents within Copilot — tools that not only follow instructions but can independently plan, verify, and refine their outputs. Until now, such capabilities were available mainly through Copilot Studio for developers. Now they’re coming straight into everyday Microsoft 365 apps used by millions.

This means Copilot will no longer just assist with writing or formula generation. It will actually manage the workflow, understand context, and suggest optimal solutions automatically. Microsoft calls this new approach “vibe working” — a style where users simply set the direction and AI handles the rest.

For professionals who spend hours in Excel, this could be a genuine revolution. No more complex spreadsheets or endless debugging. Instead, you simply describe the task — and Excel with Agent Mode executes, analyzes, and visualizes the results for you.

In short, Excel just got a brain. And with it comes a whole new way of working — one that could redefine office productivity just as profoundly as the original invention of the spreadsheet did decades ago.

Photo source: www.pexels.com

Natalie Bezděková

I am a student of Master's degree in Political Science. I am interested in marketing, especially copywriting and social media. I also focus on political and social events at home and abroad and technological innovations. My free time is filled with sports, reading and a passion for travel.