MC389620 – (Updated) block delegates or shared mailbox members from accessing protected messages in Outlook (archived)

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check before: 2022-06-21

Product:

Exchange, Information Protection, Information Protection - Office 365, Microsoft 365 Apps, Outlook, Purview Information Protection

Platform:

Android, iOS, Mac, Online, US Instances, Web, World tenant

Status:

Launched

Change type:

Admin impact, New feature, Updated message, User impact

Links:

88888

Details:

Updated September 28, 2022: We have updated the rollout timeline below. Thank you for your patience.
Outlook will provide consistent access control on protected emails (Protected by MIP Sensitivity labels, or RMS protected emails) for Microsoft 365 delegates and shared mailbox members. For delegates or shared mailbox members, when they have full access of the owner's mailbox but are not allowed to read encrypted email, Outlook will have a new cmdlet setting to block the owner's protected email access which covers ad-hoc encrypted email as well as email with protected MIP sensitivity labels.
This message is associated with Microsoft 365 Roadmap ID: 88888
[When this will happen:]

Preview: We will roll out the preview in early June
Standard: We will begin rolling out in early July and expect to complete by early October (previously late August)

Change Category:
XXXXXXX ...

Scope:
XXXXXXX ...

Release Phase:
General Availability, Preview

Created:
2022-06-07

updated:
2022-09-29

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changes*

DatePropertyoldnew
2022-09-29MC MessagesOutlook will provide consistent access control on protected emails (Protected by MIP Sensitivity labels, or RMS protected emails) for Microsoft 365 delegates and shared mailbox members. For delegates or shared mailbox members, when they have full access of the owner's mailbox but are not allowed to read encrypted email, Outlook will have a new cmdlet setting to block the owner's protected email access which covers ad-hoc encrypted email as well as email with protected MIP sensitivity labels.
This message is associated with Microsoft 365 Roadmap ID: 88888
[When this will happen:]

Preview: We will roll out the preview in early June
Standard: We will begin rolling out in early July and expect to complete by late August
Updated September 28, 2022: We have updated the rollout timeline below. Thank you for your patience.
Outlook will provide consistent access control on protected emails (Protected by MIP Sensitivity labels, or RMS protected emails) for Microsoft 365 delegates and shared mailbox members. For delegates or shared mailbox members, when they have full access of the owner's mailbox but are not allowed to read encrypted email, Outlook will have a new cmdlet setting to block the owner's protected email access which covers ad-hoc encrypted email as well as email with protected MIP sensitivity labels.
This message is associated with Microsoft 365 Roadmap ID: 88888
[When this will happen:]

Preview: We will roll out the preview in early June
Standard: We will begin rolling out in early July and expect to complete by early October (previously late August)
2022-09-29MC TitleConsistently block delegates or shared mailbox members from accessing protected messages in Outlook(Updated) block delegates or shared mailbox members from accessing protected messages in Outlook
2022-09-29MC Last Updated06/07/2022 01:46:372022-09-28T19:48:46Z
2022-09-29MC MessageTagNamesNew feature, User impact, Admin impactUpdated message, New feature, User impact, Admin impact
2022-09-29MC End Time09/30/2022 09:00:002022-11-04T08:00:00Z
2022-09-15MC prepareIf you do not do any cmdlet settings, there will be no impact on your existing delegate or shared mailbox protected message reading experience. But if you choose to block some of the full access delegate or shared mailbox members to read the protected email, you could configure through the cmdlet above.
ps://www.microsoft.com/microsoft-365/roadmap?ms.url=m365comroadmap&rtc=1&filters=&searchterms=88888
If you do not do any cmdlet settings, there will be no impact on your existing delegate or shared mailbox protected message reading experience. But if you choose to block some of the full access delegate or shared mailbox members to read the protected email, you could configure through the cmdlet above.
https://www.microsoft.com/microsoft-365/roadmap?ms.url=m365comroadmap&rtc=1&filters=&searchterms=88888
2022-08-27MC prepareIf you do not do any cmdlet settings, there will be no impact on your existing delegate or shared mailbox protected message reading experience. But if you choose to block some of the full access delegate or shared mailbox members to read the protected email, you could configure through the cmdlet above.
https://www.microsoft.com/microsoft-365/roadmap?ms.url=m365comroadmap&rtc=1&filters=&searchterms=88888
If you do not do any cmdlet settings, there will be no impact on your existing delegate or shared mailbox protected message reading experience. But if you choose to block some of the full access delegate or shared mailbox members to read the protected email, you could configure through the cmdlet above.
ps://www.microsoft.com/microsoft-365/roadmap?ms.url=m365comroadmap&rtc=1&filters=&searchterms=88888

*starting April 2022

Last updated 1 month ago

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