When an Exchange account is deleted or the OST file becomes inaccessible, exporting Outlook OST files to PST format can be challenging. In such cases, eSoftTools OST to PST Converter software provides an effective solution. This software performs a deep scan of the OST file and securely exports the entire mailbox data, including emails, attachments, contacts, calendars, and notes, to PST format. The tool maintains data integrity and folder hierarchy and also offers a selective export option. Its user-friendly interface makes the OST to PST export process quick and easy, even for non-technical users.