How can you open a PST file using a third-party tool? Open PST file without Outlook can be tricky since it's designed for use with that specific software. You can use the MSOutlookhelp PST File Viewer, a third-party tool that lets you open and view PST files without Outlook. This tool allows you to access emails, contacts, calendars, and attachments, even from large or damaged PST files. It also supports exporting to multiple formats like PDF, MSG, MBOX, and more. The software is easy to use, supports all Windows versions, and works with all Outlook PST versions.
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