Free OST PST Viewer Outlook file viewer software

Use OST PST Viewer to open, view, read and search in Outlook data files.

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OST PST Viewer Customers Reviews

Average Rating: 4.8 - 271 reviews
I used OST PST Viewer to access a large old OST file. I was able to find the information I needed from some old emails, quickly using the search function. Using OST-PST viewer was that easy.

View Outlook data and other OST PST Viewer features

Outlook viewer for emails

Outlook Viewer for emails

You do not need to install Microsoft Outlook for viewing and reading the content of healthy, damaged or corrupted PST or OST files now. Free OST PST Viewer software enables you to view the Outlook items such as email messages, notes, contacts, calendar events and tasks.

Read OST and PST files

Outlook PST or OST file reader

Reading Outlook data files content is easy with OST PST Viewer with or without Microsoft Outlook installed.

Search into OST and PST files

Search into PST or OST files

Quick search helps you to find the message or items in PST or OST files. With the Pro version use advanced search and filtering to find specific items or messages.

How to view Outlook .OST and .PST files

Just follow these simple steps:

  1. Download, install and launch OST PST Viewer on your PC;
  2. To add a file to OST PST Viewer, go to the "File" tab and click "Open";
  3. Choose OST or PST file you would like to open;
  4. You can now easily explore your OST or PST file content without Outlook.
How to view Outlook OST and PST files
4Team Corporation

About 4Team Corporation

The company behind OST PST Viewer

We are a Microsoft Gold Certified Partner and independent software developer and vendor. Since 1999 we have provided business solutions to our corporate customers and individual end-users worldwide. We are very proud to be highly recommended by our satisfied customers and offer award-winning support.

Our satisfied customers

Customers all over the world are successfully using 4Team Corporation services for personal and business needs

US Army
University of Virginia
State Bank of India
New Mexico State University
Defense College
Lion Global Investors
Warner Bros. Interactive Entertainment