Outlook: Large Audience Warnings in Outlook for iOS and Android

🚨 The Signal: Outlook for iOS/Android now warns users before emailing large recipient lists. This helps prevent accidental broad disclosures and encourages appropriate communication, reducing data spill risk.

The Impact

End users are affected by new warnings, reducing the risk of accidental information disclosure.

• End users: New warnings may prompt content review, reducing accidental data leaks.
• Security teams: Reduced risk of internal/external data spills from mobile email.
• Compliance officers: Enhanced control over sensitive information dissemination.

Domain: Exchange · Impact: low · Workload: Exchange Online