Free OST PST Viewer tool to open Outlook PST files without Microsoft Outlook

Save time when working with Outlook files using OST PST Viewer. Supports both PST and OST file formats. Access files without Outlook installed.

FREE DOWNLOAD

No Commitment. Privacy Policy and
System Requirements

PURCHASE

The software you can trust. Licensing (EULA)

OST PST Viewer Customer Reviews

Average Rating: 4.8/5 - 295 reviews

“ "Great software with a very neat interface. Navigation is easy, it is just like being in your email program. I 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.

Open Outlook PST files without Microsoft Outlook and more with OST PST Viewer

Advanced OST and PST file viewer and management tool helps to access Outlook data and backup without opening it or if Outlook fails to start or lost connection to the Exchange server.

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.

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.

Export data from Outlook

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.

Open all OST and PST types

OST PST Viewer is a tool designed to view or read Microsoft Outlook OST and PST mailbox files. Open standard OST and PST files, or orphaned OST files. Scan and find data within files whether it is ANSI or Unicode.

Open password protected files

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.

MORE FEATURES

See how to open PST files without Outlook 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.