OST PST Viewer Customer Reviews

Average Rating: 4.8/5 - 295 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.
About OST PST Viewer

About OST PST Viewer

OST PST Viewer is a free* software designed to view PST and OST files in a few clicks without Microsoft Outlook. Open PST and orphaned OST Outlook files. Search and export contacts, calendar, and email folder content to PST and other file formats.

*OST PST Viewer free version has limited features. Advanced search, exporting files, copying text, saving attachments, and printing features are available only with Pro version of OST PST Viewer.

Open and search in OST and PST files with OST PST Viewer and more

OST PST Viewer

OST PST Viewer

Find and extract information stored in connected or orphaned Outlook data files. Access data from your Inbox, Sent, Drafts and other folders in the same way as seen in Outlook. Open OST and PST files of up to 50 GB in size.

Read OST and PST files

Read OST and PST files

Read content of OST or PST files with ease. Access Outlook items such as emails, contacts, calendar events, journals and notes.

Access and search OST files

Access and search OST files

Quick Search helps you to find items within PST or OST files. With the Pro Version, use Advanced Search for filtering options to find specific items or messages. Copy and export emails, contacts and calendar events in their respective formats.

See how to open OST and PST files using OST PST Viewer

Just follow these simple steps:

How to use OST PST Viewer?
  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 the PST or OST file you would like to open;
  4. You can now easily explore your PST or OST file content without Outlook.
About 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

Sumitomo Corporation
L'Oreal - Denmark
Eurofins OPTIMED
Banque Populaire
Maped Silco
New Mexico State University
University of Virginia
Aga Khan Foundation
AGCO Corporation
Imperial Tobacco
Mauser Group
State Bank of India