Open Issues in DLP 16.0.2 Support for Monitoring the New Outlook View on Windows Endpoints

Data Loss Prevention

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23276

03 May 2024

03 May 2024

As the New Outlook view is currently a Microsoft preview product, Symantec cannot ensure a similar level of functionality as the COM plug-in that the DLP Agent uses to montitor the classic view. Therefore, Symantec is releasing the on-send web add-in for Windows endpoints as a Symantec Data Loss Prevention preview feature and strongly recommends that you do not deploy it in a production environment.

For information about configuring and using this Symantec DLP preview feature in a test environment, see Deploying the On-Send Web Add-in for Outlook on Windows Endpoints (Feature Preview) at the Symantec Data Loss Prevention 16.0.2 Help Center.

The following table lists the open issues in DLP Agent support for monitoring the New Outlook view on Windows endpoints. Symantec will update this list as issues are discovered and resolved.

Issue ID Description
DLP-76285
DLP-79732
DLP-79731
DLP-79233
DLP-77433
The DLP Agent does not support monitoring for newer features in the New Outlook mode such as Loop components, scheduled polls, the chat feature in Outlook Web Access, uploading attachments OneDrive, and embedded links.
DLP-76525 Monitoring in the New Outlook mode works only for the primary mailbox because the on-send web add-in loads only for the primary mailbox.
DLP-77563
DLP-77795
DLP-77433
Monitoring does not work in the following scenarios because the New Outlook mode does not load add-ins in these cases:
  • When users send emails to groups
  • When users send emails with the Encrypt option or the Do Not Forward option selected
DLP-77633 Detection fails for emails that contain sensitive information in the message body in the New Outlook mode when users reply to or modify such emails without composing a message or modifying the original text.
DLP-77788
DLP-77637
DLP-77649
DLP-77793
Detection fails for meeting invitations in the New Outlook mode in the following scenarios:
  • When users reply or RSVP to meeting invitations and include sensitive information in their response
  • When users add sensitive information to calendar items while forwarding them from the calendar pane
  • When users add sensitive information to the message body while sending meeting cancellations
DLP-77897 User group-based policy matching recipients against Microsoft Exchange Server or Microsoft 365 email distribution lists in the New Outlook mode are not effective.
DLP-78322
DLP-78321
Policies that use a recipient match condition do not work when using the on-send web add-in for Outlook because the add-in receives null recipients or incorrect recipient formats for matching.
DLP-79147 Users could encounter latency while sending emails with attachments that are 25 MB or larger because the New Outlook mode store attachments on OneDrive.
DLP-79242 Print monitoring does not work in the New Outlook mode.
DLP-79746 When outgoing emails in the New Outlook mode trigger User Cancel pop-ups, users are able to ignore the pop-ups and edit the outgoing emails.