How to Allow or Restrict Address Book Editing

Who can change this setting?

Only admins. It's set separately for each user.

In the Inbox, select Admin (top right).
Select Users, then click the user's name.
Select the Settings tab.
Under Permissions, find Can modify Address Book.
- Checked: the user can add and edit contacts.
- Unchecked: the user can't make any changes to the Address Book.
Select Save (top right).

Where contacts are added or edited	Checked	Unchecked
Address Book	✅ Can add and edit	❌ Can't add or edit
Compose window	✅ Can add contacts	❌ Can't add contacts
File Upload utility	✅ Can add contacts	❌ Can't add contacts

Note: If a user says they can't add or edit a contact, ask an admin to check whether Can modify Address Book is turned on for them.

The Permissions section also controls whether a user can: