MC894577 – Data loss prevention and Oversharing in New Outlook – Supported conditions

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check before: 2024-10-01

Product:

Exchange, Microsoft 365 Apps, Outlook, Purview Communication Compliance, Purview Data Loss Prevention, Purview Information Protection, Windows

Platform:

Online, World tenant

Status:

Change type:

New feature, User impact, Admin impact

Links:

Details:

Summary:
New Outlook is updating DLP Policy tips to support more conditions and exceptions, particularly for E3 and E5 licenses. Features depend on licenses and include advanced classifiers and override capabilities. Rollout begins late October 2024, with no immediate action required from users. Existing conditions not listed will stop working after October 18th, 2024.

Details:
We're rolling out new and improved DLP Policy tips in New Outlook to support top DLP predicates & exceptions, all advanced classifiers, and override capabilities.

* Features mentioned above are enabled based on Licenses. Please review license requirements here.
The number of supported conditions has been updated:
E3 and equivalent licenses: DLP Policy tips on New Outlook for Windows will support following DLP conditions (and corresponding exceptions):
Content contains OOB/custom sensitive information types
Content is shared from Microsoft 365
E5 and equivalent licenses: In addition to the above, DLP Policy tips on New Outlook for Windows will now support a richer set of DLP conditions (and corresponding exceptions), including the following:
Content contains Sensitivity label
Sender is
Sender domain is
Sender is member of
Recipient is
Recipient domain is
Recipient is a member of
Subject contains words
Additionally, DLP Policy tips now support advanced classifiers like Trainable classifiers, Exact data match (EDM), and Named Entities, as well as an override feature that gives end users the ability to quickly and easily modify or override policies (if allowed in the DLP rule configuration), ensuring that the sensitive data is always protected, while still allowing end users to work efficiently.
For more details, admins can refer documentation here.
Please note that any existing conditions outside this updated list, which may currently trigger Policy Tips in New Outlook, will stop working after October 18th, 2024.
[When this will happen:]
We will begin rolling out in late October 2024 and expect to complete rollout by late November 2024.

Change Category:
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Scope:
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Release Phase:

Created:
2024-09-21

updated:
2024-09-21

Task Type

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Docu to Check

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MS How does it affect me

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MS Preperations

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MS Urgency

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summary for non-techies**

Microsoft is updating Data Loss Prevention (DLP) Policy tips in New Outlook for E3 and E5 license holders, adding support for detecting sensitive information types, content shared from Microsoft 365, sensitivity labels, and advanced classifiers, with a rollout from late October to late November 2024. Existing conditions not listed in the update will stop working after October 18, 2024.

Direct effects for Operations**

Data Loss Prevention Policy Changes
Existing DLP conditions not listed in the new update will stop working after October 18th, 2024, potentially leading to unintentional data sharing and compliance issues.
   - roles: Compliance Officer, IT Administrator
   - references: https://learn.microsoft.com/en-us/purview/dlp-ol365-win32-policy-tips#conditions-that-support-policy-tips-for-outlook-for-microsoft-365-users, https://learn.microsoft.com/microsoft-365/compliance/dlp-learn-about-dlp?view=o365-worldwide

User Experience with DLP Policy Tips
Users may experience confusion or disruption if they attempt to use DLP conditions that are no longer supported, leading to potential delays in workflow and increased frustration.
   - roles: End User, IT Support Specialist
   - references: https://learn.microsoft.com/microsoft-365-apps/outlook/overview-new-outlook, https://learn.microsoft.com/en-us/purview/dlp-ol365-win32-policy-tips#customized-oversharing-dialog

Configutation Options**

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Data Protection**

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IT Security**

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explanation for non-techies**

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** AI generated content. This information must be reviewed before use.

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