Free OST Viewer

A standalone program to view OST files

A simple and sophisticated app to view an unlimited number of OST files without installing MS Outlook. The tool provides a preview of emails, attachments, notes, messages, contacts, events and calendars. It is a useful utility.

Key Features

  • Open OST files without the installation of Exchange Account/MS Outlook
  • Provide a complete preview of OST files including emails, attachments, notes, messages, contact and much more
  • Work with only healthy OST files
  • Proview preview of filtered OST files only
  • A user-friendly app with a graphical user interface
  • Compatible with all MS Outlook and Exchange Server
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Detailed Key Features of OST Viewer

Access OST Files without MS Outlook/Exchange Server

The software has the capacity to provide a preview of OST files without the assistance of MS Outlook or Exchange Server. Without establishing connection with Exchange Server, it shows a preview of both new and archived OST files.

Show Complete Preview of MS Outlook Files

The OST viewer shows a complete and systematic view of selected OST files. The utility gives a preview of an OST file including Emails, Contacts, Events, Calendars, Notes, and Messages.

An Advanced Tool with Advanced Compatibility

The OST viewer integrates with all MS Outlook versions including 2003, 2007, 2010, 2013 and 2016. It doesn't matter in which Outlook version an OST file is created, the utility shows a complete preview of the particular file.

Help to Locate & Open Targeted MS Outlook Databases

The OST viewer has an advanced filter tab that gives access to disk drives and any folder to view a particular OST file. Thus, users get control over a preview of MS Outlook files. It provides a preview of only user's filtered data.

Show Preview of One MS Outlook File at a Time

The software shows a preview of any size of OST file including MB and GB. The utility shows a preview of one OST file at a time. It provides a complete preview of the selected OST file.

A User-Friendly Application

The OST viewer is a user-friendly app. It is easy to configure and install. The lightweight tool takes a few minutes to install on your system. It has a few simple steps to run without taking any technical support.

What is an OST File?

OST files are Offline Storage Table files that stores data of MS Outlook 2003, 2007, 2010, 2013 and the latest 2016. It lets users work offline and automatically updated by synchronization once the connection established with Exchange Server.
Yes, you can. It gives a clean preview of MS Outlook files without the installation of MS Outlook.
The software shows a preview of both new and archived OST files.
There is no restriction for file size.

OST Viewer Reviews

I will recommend the free viewer to all who are looking for an advanced yet user-friendly application. It makes viewing of OST files so easy.
Our organization working on Mozilla Thunderbird and the sister organization in MS Outlook. With the help of this OST viewer, the problem of viewing MS Outlook has been resolved.