OST PST Viewer Customer Reviews

Average Rating: 4.8/5 - 283 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.
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 OST orphaned Outlook data files. Search and export Contacts, Calendar, and email folders content to PST and other file formats.

*The OST PST Viewer free version has limited features. Advanced search, export files, copy text, save attachments, print items features are available only with Pro version of OST PST Viewer.

Open an OST files and other OST PST Viewer features

Open OST file in or without Outlook

Open OST file in or without Outlook

Open and read the orphaned OST file without Outlook installed. Import OST files in Outlook by converting to PST file using OST PST Viewer. Microsoft Outlook 2016, 2013, 2010 and older versions supported.

Recover data from an OST file

Recover data from an OST file

Extract mail, contacts from OST file, convert to PST and connect to Outlook. Export and convert OST to .msg, .vcf, .pdf, .ical and other file formats. Open OST file email attachments. Recovering data from Outlook OST files is easy with OST PST Viewer.

Access and search into OST file

Access and search into OST file

Automate OST and PST file search. Open and read content of large archive OST file created by any version of Microsoft Outlook. Fix Outlook search problems by opening OST file using OST PST Viewer. Search and extract messages and attachments from your OST files. OST PST Viewer is the best tool to perform OST file forensics and searching for evidence. Use Pro version with advanced search, and filter the items by date, field or folder.

How to open OST files without Outlook?

Just follow these simple steps:

How to open OST files without Outlook?
  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 an 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

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