Opening PST files without Outlook becomes necessary more often than people expect. Imagine receiving a PST file from a colleague, an old backup drive, or a legal archive, only to realize that Outlook is not installed on your system. Installing Outlook just to read one file can be time-consuming, expensive, and sometimes not feasible at all.

This is where standalone PST viewer tools come into the picture. These applications are built to open PST files directly and display mailbox data in a readable format. A tool like SysInfo PST Viewer allows users to load a PST file and browse through emails, folders, attachments, contacts, and calendars without connecting to Outlook. The interface usually follows a simple tree-view layout, so even first-time users can navigate it easily.
Read more: https://www.sysinfotools.com/recovery/pst-file-viewer.php