Free OST PST Viewer tool to read Outlook PST files content

Use OST PST Viewer software to open, view and search old Outlook PST files.

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System Requirements

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OST PST Viewer Customer Reviews

Average Rating: 4.8/5 - 295 reviews

“ "Great software with a very neat interface, navigation is easy, it is like being in your email program again. Was able to load 30,000 emails in less than 2 minutes! Excellent product." ”

christiane c.

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.

Read Outlook PST files content and more with OST PST Viewer

Open OST and PST files quickly without Microsoft Outlook

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.

Read folder data

Cut, copy and print content from within your OST or PST files. Access text in emails, events, tasks, notes and more at any time. Select any item, field, or text from an Outlook file, and paste wherever needed.

Open files with password protection

If you have a password protected Outook file, OST PST Viewer can also assist with opening these. Open your locked files to ensure you never lose important data.

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See how to open 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.