OST PST Viewer Customer Reviews

Average Rating: 4.8/5 - 289 reviews
"Outlook is unstable when your files get big. I've wasted days of time and lost lots of data trying to manage the files and archives. OST PST Viewer and PST Splitter solved all of my problems."
About OST PST Viewer

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 Outlook PST file content with OST PST Viewer and more

Open and view archive PST files without Outlook

Open and view archive PST files without Outlook

Open OST and PST files of up to 50 GB in file size and from any version of Microsoft Outlook. View OST files even without Outlook installed. Copy and export email, calendar and contact data in their respective file formats.

Access all content

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 filters

Advanced search filters

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

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 all OST and PST types

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.

See how to open PST files content without Outlook using OST PST Viewer

Just follow these simple steps:

How to open PST files content without Outlook using OST PST Viewer
  1. Download, install and launch OST PST Viewer on your PC;
  2. To add a file to OST PST Viewer, go to the "File" tab and click "Open";
  3. Choose the PST or OST file you would like to open;
  4. You can now easily explore your PST or OST file content without Outlook.
About 4Team Corporation

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.

Our satisfied customers

Customers all over the world are successfully using 4Team Corporation services for personal and business needs

US ARMY
Sumitomo Corporation
L'Oreal - Denmark
Eurofins OPTIMED
Banque Populaire
Keolis
Maped Silco
New Mexico State University
University of Virginia
Aga Khan Foundation
AGCO Corporation
Imperial Tobacco
Mauser Group
State Bank of India