Login to the Admin

- Navigate to Emails --> Email Accounts

In this section, click on "Add/Edit Email Forwarders" button

- Once in the Cpanel, click on 'Add Forwarder" in the "Create an Email Account Forwarder" section

Fill in the necessary information and click on "Add Forwarder" button

For more details about adding, editing, and removing email forwarders, please see the official cPanel Documentation on Email Forwarders.