Free OST PST Viewer software to search in OST and PST files

Open and extract emails, contacts and more from your orphaned 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.

Search in OST and PST files using OST PST Viewer and more

Find messages inside OST and PST 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 file formats.

Open and read archive OST and PST files 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.

Extract data from OST and PST files

Export emails, attachments, events, contacts, tasks and notes stored in PST and OST data files with ease. Move entire folders within the files or selected text. Export emails to .msg and .mth files; Contacts to .vcf or .vCard files; and Calendar events to .ics or iCal files.

See how to search content of OST and PST files

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.