Microsoft Defender for Office 365
Email and collaborationMdo Email Entity Page
In brief
Updated author metadata and revised the ZAP example to state that a message moved to quarantine expires from quarantine.
What Defender admins need to know
No administrator action is required; administrators should note the updated quarantine wording when reviewing the documentation.
Summaries are generated from the documentation change itself.
Documentation change
View on Microsoft LearnThe comparison below shows only the changed extract. Use the full-page view for complete context.
feedback_product_url: https://techcommunity.microsoft.com/t5/security-compliance-and-identity/ct-p/MicrosoftSecurityandCompliance
uhfHeaderId: MSDocsHeader-MicrosoftDefender
manager: bagol
author: chrisdaajaj-shaikh
ms.author: chrisdaajajshaikh
ms.date: 2026-04-16T00:00:00.0000000Z
ms.topic: article
ms.service: defender-office-365
- The message was dropped before delivery or delivery failed.
- The message was soft deleted or hard deleted.
- The message has a delivery location of On-prem/External.
- ZAP moved the message to quarantine but message expires from quarantine.
@@ -8,8 +8,8 @@ feedback_system: Standard feedback_product_url: https://techcommunity.microsoft.com/t5/security-compliance-and-identity/ct-p/MicrosoftSecurityandCompliance uhfHeaderId: MSDocsHeader-MicrosoftDefender manager: bagol-author: chrisda-ms.author: chrisda+author: ajaj-shaikh+ms.author: ajajshaikh ms.date: 2026-04-16T00:00:00.0000000Z ms.topic: article ms.service: defender-office-365@@ -534,7 +534,7 @@ The following actions are available at the top of the Email entity page: - The message was dropped before delivery or delivery failed.
- The message was *soft deleted* or *hard deleted*.
- The message has a delivery location of *On-prem/External*.
-- ZAP moved the message to quarantine.
+- ZAP moved the message to quarantine but message expires from quarantine.
[](media/email-entity-available-actions.png#lightbox)