PST Viewer is a standalone software that not only helps users to view normal PST files but also lets users open corrupted, inaccessible, and damaged and password-protected Outlook data files even without Microsoft Outlook 2019, 2016, 2013, 2010, 2007, 2003 installation. It allows users to preview all the data like emails, contacts, attachments, calendars, and other mailbox items along with the attachments without any error. The tool is designed in such a way that there is no file size limitation imposed for scanning and viewing the PST file.