# Restrict name and email changes {!admin-only.md!} ## Prevent users from changing their name By default, any user can [change their name](/help/change-your-name). You can instead prevent users from changing their name. Organization administrators can always [change anyone's name](/help/change-a-users-name). This setting is especially useful if user names are managed via an external source, and synced into Zulip via the [Zulip API](/api) or another method. {start_tabs} {settings_tab|organization-permissions} 2. Under the **User identity**, select **Prevent users from changing their name**. {!save-changes.md!} {end_tabs} ## Prevent all email changes By default, any user can [change their email address](/help/change-your-email-address). However, you can instead prevent all email changes. This is especially useful for organizations that are using LDAP or a another single sign-on solution to manage user emails. {start_tabs} {settings_tab|organization-permissions} 2. Under **User identity**, select **Prevent users from changing their email address**. {!save-changes.md!} {end_tabs}