To recover a deleted Exchange mailbox using Recoveryfix Exchange Server Recovery, start by installing the tool and launching it. Select the corrupt or inaccessible Exchange database (EDB) file and scan it to repair and extract mailbox data. This Exchange Server Recovery software provides options for standard & advanced scan modes to recover permanently deleted mailboxes efficiently. Once scanning is complete, preview the recovered data and save it in desired formats like PST, MSG, or directly export to a live Exchange Server or Office 365.