Drive files marked with the banner 'This document came from outside your organization'

Problem

Users see a banner when opening a Google Drive files. Files were created and shared with the users months ago and are updated daily.
This document came from outside your organization.Be careful when clicking links or sharing sensitive information.

Environment

  • Google Drive

Solution

  1. Add domain A to the list of trusted domains on the Domain B's Admin console.
  2. Go to Domains > Allowlisteed domains > Add a domain.

Cause