User How-To - DLP Message Block Override for Email and SharePoint
This How-to Article is intended to help users override a false positive DLP (data loss prevention) block in Email, OneDrive, and SharePoint.
IMPORTANT - Once you have populated the <To> field, The override tooltip reference below can take 30-60 seconds to appear in some instances.
If your initial attempt to send fails - please enter your recipients into the <To> field and wait for the tooltip to appear before sending again.
IMPORTANT -If you do not see this tooltip in your Outlook client - The workaround is to resend the email from your web client at https://outlook.office.com.
TO OVERRIDE A FALSE POSITIVE - Click on the "Learn More" or "Show Details" tooltip, and then click override.
Please see additional information below
This Toolip can show in Excel, Word, etc. as well. If you are not seeing the tooltip, but your share is being blocked, please navigate to the web version of your app here https://office.com.
If this information does not solve your problem - please submit a ticket and our DLP experts will work to help you get your message sent.
Additional Information - Microsoft Learning - DLP Policy and Tips