Microsoft Excel: File selector for Copilot Excel Agent

🚨 The Signal: Excel Copilot Agent now features a new file selector, centralizing file access. While simplifying user experience, it reinforces the importance of existing file permissions and data governance for AI interactions.

The Impact

All Excel Copilot Agent users are affected; the security risk is low, provided existing file permissions are correctly enforced.

  • End-users: Simplified file selection, but still bound by existing access permissions.
  • Security Team: No direct security change, but reinforces the need for data access governance review.
  • Data Owners: Existing file permissions remain critical for data protection with AI agents.

The Action

  1. Review existing file permissions and access controls for sensitive data processed by Excel.
  2. Ensure data classification and labelling policies are applied to files accessible by Copilot agents.
  3. Communicate to users that Copilot agents respect existing file permissions and access policies.

Domain: Agentic-AI · Impact: low · Workload: M365 Apps