OST PST Viewer Customer Reviews

Average Rating: 4.8/5 - 289 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 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.

Access, view and read old Outlook OST files and more

OST files Viewer

OST files Viewer

View OST files content with or without Outlook with free OST PST Viewer software. Copy and export emails, contacts and calendar events in their respective file formats.

Access OST file without Microsoft Outlook

Access OST files without Microsoft Outlook

Open multiple offline OST files without Microsoft Outlook. Access all your inaccessible emails, contacts with OST PST Viewer tool.

Read OST files

Read OST files

Open and read content of orphaned or connected OST data files without connecting them to Outlook. Search through content of OST files to find important messages, contacts, calendar event or tasks.

See how to view OST files without Outlook

Just follow these simple steps:

How to view 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 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