This guide shows how staff who have access to the override option in Office 365 can override the Data Loss Prevention blocking feature in Office 365 to allow them to share data with external parties containing sensitive information such as NI, NHS, passport & credit/debit card numbers.
- Shared via OneDrive for Business (setting a strong password if using the “Anyone with a link” option)
- Sending via Encrypted Email
- Sending the sensitive information in a password protected file using a strong password
How to use the DLP override option when sending an email
When the system detects that you are sharing sensitive information, you will see a message similar to the screenshot below, click on the “Show details” option if you see this option as shown below.

Now click on the Override option as highlighted below.

You will now see the message below, enter a business justification for sending the sensitive information outside of the organisation and then click the Override option. The email will now be sent.
