Yes, it is possible to read PST files without Microsoft Outlook, and several free methods are available.

You can use MSOutlookHelp PST viewer software that opens Outlook data files directly without requiring Outlook installation.

Some users also import PST using email clients like Mozilla Thunderbird with add-ons, though conversion is often required.

However, free tools may have limitations such as partial previews, file size issues, or security risks from untrusted downloads.

In general, choosing a reputable viewer or open-source method is safer, and it allows quick access to emails, contacts, and calendars stored in PST files without needing Outlook installed on your system. Always verify software authenticity before downloading and prefer well-reviewed tools to avoid data corruption or malware exposure during PST file access for best results and reliability matters always stay cautious.