If you use custom themes or templates, you will need to update them for any changes in new WHMCS versions.
Migrate hosting account services from an old cPanel & WHM server to a new one. You can choose from several methods for migrating accounts.
Modify an existing Client Area Homepage panel. This example customizes the contents of an existing panel in the Client Area Homepage.
Modify an item in the Client Area navigation menu. This example customizes a menu item to ensure that it opens a new browser tab.
Prune ticket attachments to automatically delete and purge ticket attachments from closed tickets after a set period of inactivity.
Rearrange the Client Area navigation menus. This example customizes the display order of the items in the Client Area navigation menu.
Rearrange the Client Area Homepage panels. This example uses a hook to change the order in which Client Area Homepage panels appear.