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Purview DLP - Policy tips not displayed in Outlook for labeled files (outlook app and OWA)

Reginaldo Carvalho 0 Reputation points
2024-12-12T14:30:59.83+00:00

We have implemented Purview DLP and policy tips for Outlook.

When attachments are added to an email and if they are labeled as "public" or "Internal Use", the scanning for DLP keywords works accordingly. If keywork is found the policy tips is shown.

When the attached files are labeled as "Restricted", the policy tip is NOT appearing. It seems the scanning is not happening.

The issue impacts Outlook App (tested versions 2402, 2411) and OWA.

What could be the possible fixes for that?

Outlook
Outlook
A family of Microsoft email and calendar products.
4,222 questions
Microsoft Purview
Microsoft Purview
A Microsoft data governance service that helps manage and govern on-premises, multicloud, and software-as-a-service data. Previously known as Azure Purview.
1,304 questions

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  1. Chandra Boorla 5,835 Reputation points Microsoft Vendor
    2024-12-13T06:03:07.2733333+00:00

    Hi @Reginaldo Carvalho

    In addition to @ SokiGuo-MSFT

    As I understand that you are experiencing a specific issue with Purview DLP policy tips in Microsoft Outlook. While policy tips are correctly triggered for files labeled as "public" or "Internal Use," they are not appearing for files labeled as "Restricted." This suggests a potential issue with the DLP policy configuration or the way Outlook is interacting with the DLP service.

    Based on the information provided, it is possible that there may be an issue with the configuration of your DLP policies. It is important to ensure that the DLP policies are configured correctly to scan for the specific keywords and labels that you are looking for.

    Here are some considerations that might help you in resolving your query:

    DLP Policy Configuration - Sensitivity Label, ensure that the "Restricted" label is correctly associated with the DLP policy and that the policy is actively monitoring files with this label. Keyword Matching, verify that the keywords defined in the policy are relevant to the content of "Restricted" files and that the matching criteria are configured appropriately. Policy Scope, confirm that the policy scope includes the users and groups who are sending and receiving "Restricted" emails.

    Outlook Client Configuration - DLP Add-in, ensure that the DLP add-in is enabled and up to date in both the Outlook app and OWA. Client-Side Rules, check for any conflicting client-side rules that might prevent policy tips from displaying. Outlook Version, verify that the Outlook versions being used are compatible with the DLP service and any recent updates.

    Fiddler Trace - Use a Fiddler trace to troubleshoot the DLP policy tips. Collect the trace while reproducing the issue and check if the GetDLPPolicyTip call is made. If it is not found, it may indicate a problem with the DLP policy configuration or the conditions under which it is triggered.

    For more details, please refer the following Microsoft documentations:

    DLP Policy Tip notifications are not displayed in Outlook for Windows

    Resolve issues that affect DLP policy tips

    Sensitivity labels are missing in Outlook, Outlook on the web, and other Office apps

    I hope this information helps. Please do let us know if you have any further queries.

    Thank you.

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