Free OST PST Viewer Outlook file viewer software

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

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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. ”

andrew banks

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.

View OST and PST data files and more using OST PST Viewer

Outlook Viewer for emails

OST PST Viewer is an application that allows you to view PST files without Outlook by using an Outlook-type interface. Open Outlook OST and PST content such as emails, contacts, calendars, tasks, journals and notes. Access Outlook data when Outlook is not installed, is unresponsive or fails to open at all.

Outlook PST or OST file reader

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

Access and search OST files

Advanced OST and PST file search. Open and access content of large, archived OST files created by any version of Microsoft Outlook. Fix Outlook search problems by opening OST file using OST PST Viewer. Search and extract messages and attachments from your OST files. OST PST Viewer is the best tool to perform OST file forensics and searching for evidence. Use Pro version with advanced search, and filter the items by date, field or folder.

See how to view Outlook OST and PST files using OST PST Viewer

Just follow these simple steps:

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

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.