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Microsoft Debuts Copilot Mode to Turn Edge into Autonomous AI Browser

Copilot Mode brings tab-aware AI assistance under clear permission prompts.

Image of Microsoft's new Copilot Mode option for its Edge web browser in July 2025.
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Overview

  • Microsoft is offering Copilot Mode as a free, opt-in experiment in Edge that integrates chat, search and navigation into a single input interface.
  • The agentic feature reads open tabs, responds to natural voice commands and will soon leverage browsing history and credentials to complete tasks like bookings.
  • Copilot Mode triggers bright visual indicators when active and remains disabled until users grant explicit permission and can revoke access at any time.
  • Security researchers caution that permitting an AI assistant to roam across tabs and credentials heightens the potential for data leaks and unauthorized actions.
  • This launch deepens Microsoft’s AI browser push as it competes with Google’s AI Mode in Chrome, Perplexity Comet and forthcoming OpenAI agents.