Set Permissions
To share access to your contacts, open the contact manager. Next > click on Set Permissions on the right menu.
Next, you will see the below screen. On this screen, you can find, select and grant access to your contact manager.
Note:
You can remove permissions by highlighting the person's name in the Allowed list and then clicking the << button. After you have done this, you will need to click on the Update Permissions & Notifications button to finalize the change.