Outlook uses PST files to save mailboxes, and if your PST files get corrupted for any reason, like a virus attack, file oversize, or many other reasons. You have to face issues while working. Therefore, to repair a corrupted PST file, you can either use the manual or the professional method. The manual method is risky and complicated. Whereas with professional tools like ShovivOutlook PST RepairTool, the task will be smooth, and the software can add multiple files at once and repair & recover the Outlook PST items. You are maintaining the original data and folder hierarchy by using the software.