MC1182696 | Microsoft Defender: Application Guard for Office is being removed

Service

Microsoft 365 suite

Last Updated

2025-11-04T00:41:10.213Z

Published

2025-11-04T00:40:23Z

Message ID

MC1182696

Microsoft Defender Application Guard for Office was retired in April 2024 and is now being removed from Office. This change aligns with the end of support for Windows 11 version 23H2 and helps streamline the security experience for users. Documents that previously opened in Application Guard will now open in Protected View, maintaining strong protection against threats. When this will happen: Phase 1: Removal begins with Office version 2602 • Current Channel: early February 2026 • Monthly Enterprise Channel: April 2026 • Semi-Annual Enterprise Channel: July 2026 Phase 2: Full removal with Office version 2612 • Current Channel: early December 2026 • Monthly Enterprise Channel: February 2027 •...

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