MC383875 – (Updated) Microsoft Defender for Office 365: updates to quarantine folder storage

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check before: 2022-06-07

Product:

Defender, Defender for Office 365, Exchange

Platform:

Online, US Instances, Web, World tenant

Status:

Rolling out

Change type:

Admin impact, New feature, Updated message, User impact

Links:

93302

Details:

Updated December 2, 2022: We have updated the rollout timeline below. Thank you for your patience.
Microsoft Defender for Office 365 is making some changes to quarantine folder storage. The experience for users will remain the same and users can leverage the delete action to maintain the storage folder for their quarantined messages.
This message is associated with Microsoft 365 Roadmap ID 93302.
[When this will happen:]
Standard: will begin rolling out in mid-June and be completed by mid-November (previously mid-September). - Complete
Government: will begin rolling out in mid-January 2023 (previously mid-November 2022) and be completed by early April 2023 (previously late November 2022).

Change Category:
XXXXXXX ...

Scope:
XXXXXXX ...

Release Phase:
General Availability

Created:
2022-05-24

updated:
2022-12-03

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changes*

DatePropertyoldnew
2022-12-03MC Last Updated10/05/2022 15:34:202022-12-02T22:29:27Z
2022-12-03MC MessagesUpdated October 5, 2022: We have updated the rollout timeline below. Thank you for your patience.
Microsoft Defender for Office 365 is making some changes to quarantine folder storage. The experience for users will remain the same and users can leverage the delete action to maintain the storage folder for their quarantined messages.
This message is associated with Microsoft 365 Roadmap ID 93302.
[When this will happen:]
Standard: will begin rolling out in mid-June and be completed by mid-November (previously mid-September).
Government: will begin rolling out in mid-November (previously mid-September) and be completed by late November (previously late September).
Updated December 2, 2022: We have updated the rollout timeline below. Thank you for your patience.
Microsoft Defender for Office 365 is making some changes to quarantine folder storage. The experience for users will remain the same and users can leverage the delete action to maintain the storage folder for their quarantined messages.
This message is associated with Microsoft 365 Roadmap ID 93302.
[When this will happen:]
Standard: will begin rolling out in mid-June and be completed by mid-November (previously mid-September). - Complete
Government: will begin rolling out in mid-January 2023 (previously mid-November 2022) and be completed by early April 2023 (previously late November 2022).
2022-12-03MC End Time12/30/2022 08:00:002023-05-05T09:00:00Z
2022-10-06MC Last Updated08/02/2022 23:44:142022-10-05T15:34:20Z
2022-10-06MC MessagesUpdated August 2, 2022: We have updated the content below for clarity. Thank you for your feedback.
Microsoft Defender for Office 365 is making some changes to quarantine folder storage. The experience for users will remain the same and users can leverage the delete action to maintain the storage folder for their quarantined messages.
This message is associated with Microsoft 365 Roadmap ID 93302.
[When this will happen:]
Standard: will begin rolling out in mid-June and be completed by early September (previously late June).
Government: will begin rolling out in mid-September (previously early July) and be completed by late September (previously late July).
Updated October 5, 2022: We have updated the rollout timeline below. Thank you for your patience.
Microsoft Defender for Office 365 is making some changes to quarantine folder storage. The experience for users will remain the same and users can leverage the delete action to maintain the storage folder for their quarantined messages.
This message is associated with Microsoft 365 Roadmap ID 93302.
[When this will happen:]
Standard: will begin rolling out in mid-June and be completed by mid-November (previously mid-September).
Government: will begin rolling out in mid-November (previously mid-September) and be completed by late November (previously late September).
2022-10-06MC End Time10/31/2022 08:00:002022-12-30T08:00:00Z
2022-09-15MC prepareThe goal for this communication is mostly for informational awareness. You may consider updating your training and documentation as appropriate.
ps://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=933
The goal for this communication is mostly for informational awareness. You may consider updating your training and documentation as appropriate.
https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=93302
2022-08-27MC prepareThe goal for this communication is mostly for informational awareness. You may consider updating your training and documentation as appropriate.
https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=93302
The goal for this communication is mostly for informational awareness. You may consider updating your training and documentation as appropriate.
ps://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=933
2022-08-04MC Last Updated06/07/2022 22:10:572022-08-02T23:44:14Z
2022-08-04MC MessagesUpdated June 7, 2022: We have updated the content below for clarity. Thank you for your feedback.
Microsoft Defender for Office 365 is making some changes to quarantine folder storage. The experience for users will remain the same and users can leverage the delete action to maintain the storage folder for their quarantined messages.
This message is associated with Microsoft 365 Roadmap ID 93302.
[When this will happen:]
Standard: will begin rolling out in mid-June and be completed by late June.
Government: will begin rolling out in early July and be completed by late July.
Updated August 2, 2022: We have updated the content below for clarity. Thank you for your feedback.
Microsoft Defender for Office 365 is making some changes to quarantine folder storage. The experience for users will remain the same and users can leverage the delete action to maintain the storage folder for their quarantined messages.
This message is associated with Microsoft 365 Roadmap ID 93302.
[When this will happen:]
Standard: will begin rolling out in mid-June and be completed by early September (previously late June).
Government: will begin rolling out in mid-September (previously early July) and be completed by late September (previously late July).
2022-08-04MC End Time09/02/2022 09:00:002022-10-31T08:00:00Z
2022-06-08MC MessagesUpdated May 24, 2022: We have updated this message to show as intended. Thank you for your feedback.
Microsoft Defender for Office 365 is making some changes to quarantine folder storage. The experience for users will remain the same and users can leverage the delete action to maintain the storage folder for their quarantined messages.
This message is associated with Microsoft 365 Roadmap ID 93302.
[When this will happen:]
Standard: will begin rolling out in mid-June and be completed by late June.
Government: will begin rolling out in early July and be completed by late July.
Updated June 7, 2022: We have updated the content below for clarity. Thank you for your feedback.
Microsoft Defender for Office 365 is making some changes to quarantine folder storage. The experience for users will remain the same and users can leverage the delete action to maintain the storage folder for their quarantined messages.
This message is associated with Microsoft 365 Roadmap ID 93302.
[When this will happen:]
Standard: will begin rolling out in mid-June and be completed by late June.
Government: will begin rolling out in early July and be completed by late July.
2022-06-08MC How AffectNon delivery report (NDR):
In the case that a user’s quarantine storage is full, new incoming messages routed to quarantine will be rejected and an NDR will be generated for those messages.
In the case of Time travel, where malicious items need to be zapped from inbox to quarantine but there is no space, these messages will be instead, added to the junk mail folder.
Note: When there is a False positive Time travel, messages wrongly moved to the Junk mail folder can be added back to their original location.
New hard delete experience:

Previously, when messages were deleted by users from quarantine, those deleted messages could still be retrievable within a 30-day period after deletion was made. To help users better manage their storage, we will be introducing a hard delete experience whereby once the messages are hard deleted, they can’t be recovered.

Note: End users will only be able to delete quarantine messages that their Administrators has given them access to through the quarantine policy.
Non delivery report (NDR):
In the case that a user’s quarantine storage is full, new incoming messages routed to quarantine will be rejected and an NDR will be generated for those messages.
In the case of Zero hour Auto Purge, where malicious items need to be zapped from inbox to quarantine but there is no space, these messages will be instead, added to the junk mail folder.
Note: When there is a False positive Zero hour Auto Purge, messages wrongly moved to the Junk mail folder can be added back to their original location.
New hard delete experience:

Previously, when messages were deleted by users from quarantine, those deleted messages could still be retrievable within a 30-day period after deletion was made. To help users better manage their storage, we will be introducing a hard delete experience whereby once the messages are hard deleted, they can’t be recovered.

Note: End users will only be able to delete quarantine messages that their Administrators has given them access to through the quarantine policy.
2022-06-08MC Last Updated05/24/2022 22:33:092022-06-07T22:10:57Z
2022-05-25MC MessagesMicrosoft Defender for Office 365 is making some changes to quarantine folder storage. The experience for users will remain the same and users can leverage the delete action to maintain the storage folder for their quarantined messages.
This message is associated with Microsoft 365 Roadmap ID 93302.
[When this will happen:]
Standard: will begin rolling out in mid-June and be completed by late June.
Government: will begin rolling out in early July and be completed by late July.
Updated May 24, 2022: We have updated this message to show as intended. Thank you for your feedback.
Microsoft Defender for Office 365 is making some changes to quarantine folder storage. The experience for users will remain the same and users can leverage the delete action to maintain the storage folder for their quarantined messages.
This message is associated with Microsoft 365 Roadmap ID 93302.
[When this will happen:]
Standard: will begin rolling out in mid-June and be completed by late June.
Government: will begin rolling out in early July and be completed by late July.
2022-05-25MC TitleMicrosoft Defender for Office 365: Quarantined message storage in hidden system folder on user mailbox(Updated) Microsoft Defender for Office 365: updates to quarantine folder storage
2022-05-25MC Last Updated05/24/2022 01:20:492022-05-24T22:33:09Z
2022-05-25MC MessageTagNamesNew feature, User impact, Admin impactUpdated message, New feature, User impact, Admin impact

*starting April 2022

Last updated 5 days ago

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