Microsoft Launches Agent Mode for Copilot in Office Apps

Microsoft has launched Agent Mode for its Copilot AI across Word, Excel, and PowerPoint, enabling the tool to autonomously execute complex tasks in documents rather than merely offering suggestions. The update, rolling out this week as the default experience for eligible subscribers, marks a shift toward more active AI integration in the Microsoft 365 productivity suite.

The feature builds on advancements in large language models over the past year, which have improved instruction-following and multistep reasoning. Previously, Copilot functioned primarily as a passive assistant, answering questions or summarizing content but struggling to make direct changes. Now, Agent Mode allows the AI to draft sections, restructure content, and perform edits while preserving the user's original intent. A sidebar interface logs each action in real time, such as adding a formula or researching data, allowing users to approve, undo, or monitor progress.

In Excel, for instance, users can provide raw sales data, and Copilot will identify trends, insert pivot tables, create charts, and generate forecasts. Word benefits from capabilities like rewriting reports to shorten introductions, adjust tone...