Freeware to open PST files

Use OST PST Viewer to open large PST files without Microsoft Outlook

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Open PST files and other OST PST Viewer features:

  • Open archive PST file without Microsoft Outlook.

    Open and view content of large archive Outlook PST files just in a few clicks without Microsoft Outlook.
  • Search into PST files

    Open and search through your archive Outlook PST file to find messages, contacts, calendar events, important email attachments. Use Pro version with advanced search, and filter the items by date, field or folder.
  • Open PST file attachments

    Open old PST file, search and save file attachments from contacts, calendar events, email messages.

How to open PST files:

Just follow these simple steps:

  1. Download,install and launch OST PST Viewer on your PC;
  2. Click the “open” button in the application file menu;
  3. Choose a PST file you would like to open.
You can now easily view and search in your Outlook PST file.

More features:

Thousands of customers worldwide trust our OST PST Viewer

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Customer Testimonials
4.7 - 34 reviews
I was very frustrated with accessing pst files with Outlook. The Outlook instructions are confusing and can cause all kinds of problems with Outlook if not done right. Hours and hours of wasted..."
James Las Vegas See more
4Team Corporation
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