You can whitelist domains to give all the users from an other domain access to your AODocs. You can also add a specific user or a Google Group.
Learn more: Manage external users
Important: The domain name cannot be gmail.com.
Access the External access settings page
1. Open the domain administration interface.
2. Press External access in the left menu and select Domain whitelist.

Add a domain to the whitelist
1. Press the Add button.
2. Enter one or more domain names.
3. Press Save.
Note: You can add as many domains as you want.

Remove a whitelisted domain
1. Press the Remove button next to the domain you want to remove.
2. A confirmation message opens. Press Confirm.
