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Microsoft to Remove Defender Application Guard for Office by December 2027

First seen 10 Nov 2025, 11:52 UTC • Bleepingcomputer

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Microsoft has announced the removal of Defender Application Guard (MDAG) for Office, with the feature set to be discontinued by December 2027. This affects enterprise Windows administrators who rely on MDAG to protect against malicious Office documents. The transition will begin with the release of Office version 2602 in February 2026.

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Microsoft to Remove Defender Application Guard for Office by December 2027

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