As an administrator, you might need to turn on Contact Sharing for your organization's G Suite account. If people in your domain aren't seeing any global addresses in either Microsoft® Outlook® or Gmail, verify that contact sharing is on in the Google Admin console.
To enable Contact Sharing, you need to be a Super Admin or Services Admin, or have Services - Directory - Settings privileges in a custom role. See Assign administrator roles to a user or Create custom administrator roles for instructions.
From the Admin console Home page, go to Menu Directory Directory settings.
- Click Sharing settings Contact sharing.
- Select Enable contact sharing and save your changes.
For more information on the global directory, see Turn the global Directory on or off.