A good PST viewer should support large file sizes. It should also allow previewing emails, attachments, and metadata. Maintaining the folder hierarchy is another important feature. Some tools also offer search and filtering options. Ease of use is crucial for beginners. Compatibility with all Windows versions is a plus. Tools that can open corrupted PST files are highly recommended. Security and read-only mode ensure data safety. Based on these features, SysInfo PST Viewer is considered a reliable option by many users. Apart from this, the software can also open a PST file without Outlook and save it to various file formats such as PST, MBOX, EML, EMLX, and MSG.

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