To open a PST file, users can rely on the Shoviv Outlook PST Viewer tool, a professional and user-friendly solution designed for this purpose. This tool allows users to open and view PST files without requiring Microsoft Outlook. It supports both ANSI and Unicode PST files and can open even corrupted PST files, making it highly versatile. Users can preview all mailbox items, including emails, contacts, calendars, and more. The tool ensures a smooth experience with its intuitive interface and quick processing. Additionally, it offers a free demo version, allowing users to explore its features and capabilities before opting for the full version.