Last Updated: Aug 09, 2021
Outlook DLP policy tips are not detecting sensitive information types (SIT) in the email body and in attachments for some scenarios.
Below are some sensitive information types that are confirmed as not consistently working. If these sensitive information types are added to policies, no policy tips work in Outlook Desktop, including others that are not in this list.
France Passport Number
U.S. / U.K. Passport Number
Italy Driver's License Number
Sweden Passport Number
Finland Passport Number
U.K. Driver's License Number
When troubleshooting DLP policy tips in Outlook Desktop make sure you are using supported conditions and actions.
Outlook Desktop currently supports these two conditions to show policy tips, Send email notifications and show policy tips for DLP policies - Microsoft 365 Compliance | Microsoft Docs.
Content is shared
Outlook Desktop does not currently support showing policy tips for Exceptions, Troubleshooting Data Loss Prevention (DLP) policy tips - Office 365 | Microsoft Docs or Sensitivity Labels, Use sensitivity labels as conditions in DLP policies (preview) - Microsoft 365 Compliance | Microsoft Docs.
Policy tips don't work as expected if they're configured in multiple locations. You should configure or enable policy tips in only one of the following locations, How DLP works with Security & Compliance Center & Exchange admin center - Microsoft 365 Compliance | Microsoft Docs:
Exchange admin center
Security and Compliance Center
The fixes for the Outlook Desktop client are available starting with Version 2105, Build 14026.20000. The fixes have now also been backported to Semi Annual Channel Version 2102 Build 13801.20862. To see what versions are at the respective channels see the Update history page.
Service fixes are now available in mailbox version 15.20.4128.0 and higher. You can check your mailbox version using the Outlook Connection Status Dialog.
To improve reliability and stability the current implementation of the policy tip feature in Outlook Desktop is undergoing a broad update. Starting in May 2021 you should start to see a more reliable and predictable experience when using the policy tips feature in Outlook. This work will continue and throughout the year you will see incremental improvements to feature scope and reliability.
Not every potential problem with policy tips is caused by the current design limitations so you should apply normal troubleshooting steps to any new issue. If a determination is made that a new problem is one of those covered by our current renovation efforts, then fixes for that new problem will first be possible in the following months when the updated implementation reaches production.
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