To repair PST files manually, first, run the "Scanpst.exe" tool provided by Microsoft to detect and fix minor issues. For more complex cases, create a new PST file and import data from the corrupt file. Alternatively, third-party professional software like ShovivOutlook PST Repair Tool offers a user-friendly interface and advanced recovery algorithms, ensuring comprehensive repair of damaged PST files. Shoviv tool can efficiently recover emails, attachments, contacts, calendars, and more, providing a reliable and efficient solution for PST file recovery and ensuring data integrity. Moreover, after completion of the Outlook PST repair task users can export PST files into various other file formats like MSG, EML, RTF, and HTML.