Open Outlook data files

The perfect solution to access Outlook OST and PST file content. View multiple PST and OST files in a few clicks.

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OST PST Viewer Customer Reviews

Average Rating: 4.8/5 - 295 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 time. What a relief to be able to view PST files with OST PST Viewer without using Outlook. ”

james las vegas

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 Outlook data files and more using OST PST Viewer

This software has been built for people who need to open, view and read PST and OST files without connecting them to Microsoft Outlook or Exchange.

Open Outlook data files

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.

Access all content

Conveniently open and read content of multiple Outlook files with a few clicks. View and copy PST or OST data needed from Emails, Calendars, Contacts, Tasks, and Notes folders. With OST PST Viewer, you can even read information from email attachments. View content as seen in Outlook with embedded graphics, rich text, HTML, and text formatting support.

Advanced search options

Find the information you need with powerful searching features. OST PST Viewer scans and detects files and the content within them. Find specific data in the body of emails, or different file formats. Quick Search helps you to save time from looking for data. Specify multiple search criteria using Advanced Search to locate whatever you need.

Open files with password protection

OST PST Viewer can assist with opening password protected Outlook files. Open your locked files to ensure you never lose your most important data.

Outlook compatibility

OST PST Viewer supports all OST files and PST files from various version of Outlook. Open files from the latest Outlook 2019 or online Office 365 Outlook too. Compatible with all versions from Outlook 2002 and onward.

MORE FEATURES

See how to open Outlook data files with OST PST Viewer

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.