Phishing Attachment Open Metric


The attachment open metric is inconsistent or not registering on the Phishing dashboard


The tracking pixel is being blocked in the Microsoft Office sandbox. Remote images get blocked in modern versions of Office as a security precaution.


Add, or to the trusted locations based on your production environment location (US, EU or AP). Once confirmed this works you can deploy it through GPO to your end user’s machines.

You can access this screen from Word by selecting File > Options Trust Center Trust Center button.

Make sure the subfolders box is checked. Make sure the Allow Trusted Locations on My Network is checked.

When a user opens the attachment it should register the Attachment open metric in the Phishing dashboard.

Note: The attachment open metric works as in with HTM attachments. If you’d like to avoid making changes through Group Policy we advise the use of HTM attachments