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Metadata at Mar 18, 2024

Published

Mar 18, 2024

Service

Exchange Online
Microsoft Defender XDR

Tag

Feature update
Admin impact

MC744113 - Microsoft Defender for Office 365: New Quarantine release details

Message Center

What changed since this version

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Updated June 6, 2024: We have updated the rollout timeline below. Thank you for your patience.

In Microsoft Defender for Office 365, we are rolling out new details on who or what is responsible for releasing a message from quarantine.

These details will now be included in the email summary flyout panel accessible from the Quarantine page.

When this will happen:

General Availability (Worldwide, GCC, GCC High): We will begin rolling out late March 2024 and expect to complete by mid-April 2024.late June 2024 (previously late May).

DoD: We will begin rolling out mid-April 2024 and expect to complete by late April 2024. early July 2024 (previously mid-June).

How this will affect your organization:

After a message is released from quarantine, the Release by field will be propagated with the email address of the user or admin responsible for the release.

admin controls

admin controls

The Release by field will also capture releases carried out by the system:

admin controls

Please note that previously this information was available only in audit logs.

What you need to do to prepare:

The purpose of this communication is for awareness. Admins should also update their training documentation as they see fit. 

Learn more: Manage quarantined messages and files as an admin | Microsoft Learn

Snapshot from Mar 18, 2024

In Microsoft Defender for Office 365, we are rolling out new details on who or what is responsible for releasing a message from quarantine.

These details will now be included in the email summary flyout panel accessible from the Quarantine page.

When this will happen:

General Availability (Worldwide, GCC, GCC High): We will begin rolling out late March 2024 and expect to complete by mid-April 2024.

DoD: We will begin rolling out mid-April 2024 and expect to complete by late April 2024.

How this will affect your organization:

After a message is released from quarantine, the Release by field will be propagated with the email address of the user or admin responsible for the release.

admin controls

admin controls

The Release by field will also capture releases carried out by the system:

admin controls

Please note that previously this information was available only in audit logs.

What you need to do to prepare:

The purpose of this communication is for awareness. Admins should also update their training documentation as they see fit. 

Learn more: Manage quarantined messages and files as an admin | Microsoft Learn