OST converter

Free OST File Viewer

A smart program to open or view OST file emails without Outlook for free.

  • Free to open and read OST files without Outlook application and exchange server.
  • Compatible with all versions of the Windows operating system. i.e. 10.8.7
  • Potential enough to open corrupted or damaged files without any hindrance.
  • Easily accessible to open outlook items like emails, contacts, calendars, tasks etc.
  • Fast and safe mode to scan for OST files for the best output.
  • View Content, properties, message header, Raw message and hex value of each email present in OST file.
  • Also, Exports multiple OST files at once with a single click.
  • Supports all latest and below versions of MS Outlook and Windows OS

Why OST File Viewer?

The OST File Viewer is a fast and accurate tool that allows users to view all types of files whether they are corrupted or normal. One of the most important functions of this software is that you can view or read the contents of our files without the Outlook & Exchange server. shows items like email, calendar, contacts, notes and tasks, as well as journal entries. It also reads emails from highly encrypted OST files and exports them with all attachments.

Premium Features of OST File Viewer

No Outlook Installation Required

This is a completely self-explanatory tool to view OST files. with this OST File viewer, no Microsoft Outlook installation or exchange server is required to initiate the process to open or read the OST file. It also supports outlook versions 2019, 2016, 2013, 2010, 2007 and other below versions.

View normal or corrupt OST files

Allows users to access or view healthy or corrupt OST files. as this tool will thoroughly scan the files before showing them to users and displays its entire content including emails, contacts, calendar items etc. The software is powerful enough to open OST files without connecting to an Exchange server.

Export OST to Multiple Formats

In addition, the OST file viewer tool allows you to export OST files to multiple formats like PST, PDF, EML, HTML, MBOX and Text. With this feature, users can save the mailbox data (e-mails, contacts, calendar, etc.) of the selected mailbox folder in an HTML file and also read them for free.

User-friendly interface

This software is designed for both technical and non-technical users who can view their files without having any technical knowledge. The attractive and simple user interface makes it convenient for users to read their OST files.It does not require users to be technically competent to use this software.

Search OST Files

This tool makes it easy for users to find OST files with a search option. This option locates the OST file in the specified location. You need to enter the drive name that you know your OST file is located. The tool will automatically redirect you to the location and you can open it by clicking on it.

Free OST File Viewer

The efficient tool enables users to view for free. You don't have to pay for it. Just download the free trial version of the OST file viewer. The free version is useful for checking the functionality and efficiency of this tool. As soon as you are satisfied, you should buy the licensed version in order to use unlimited functions.

Download the best OST File Viewer Now

*The Trial version will preview unlimited emails from OST files.

Software Specifications

System Requirement

System Requirements

Processor Pentium Class or higher

Operating System Windows 10, 8.1, 8, 7

Memory 512 MB Minimum (1 GB recommended)

Hard Disk 100 MB of free space

Software Delivery

Electronic Yes

License & Version

Xtraxtor Lite For Personal/Professional Use

Xtraxtor Pro For Business Purpose

Xtraxtor Enterprise For Enterprise Use

Version 6.0

Intreface Available

Language SupportedEnglish

Few Words From Our Clients

Our goal is to make our customers happy by providing services that solve their needs and queries. We feel blessed to hear any feedback from them.

This is the first time I have written a review for a provider as I have received satisfactory results. They provided me with the best OST file viewer tool I have been looking for. Now I am completely satisfied with the team support and solution.Thank you!

Billy Johnson, Los Angeles

“I urgently needed to browse and view an OST file but unfortunately couldn't open it in MS Outlook then I found OST file Viewer, which is just an amazing utility. I was able to browse and view OST email via using the software without any problem. Thanks for developing such a smart tool.”

John Wilson, Denmark


How to view files using the OST File viewer tool?

Steps to convert offline OST file are as follow:

  • Step 1. Download and install OST file viewer.
  • Step 2. Click Open>> Email data files >> Outlook PST/OST Files >> Choose file from a folder.
  • Step 3. Choose desired folders to view.
  • Step 4. Now, Read and View the content of your files.
Is Outlook Installation required to view OST files?

No, this tool does not require Outlook installation to view OST files.

Can I run this Utility on Windows 7?

This efficient tool is compatible with all the versions of the windows OS such as 7,8,8.1,10, etc.

Is this a completely free tool or do I have to pay for it?

No, it is a completely free tool. Just Simply download the application and read the OST file anytime from anywhere.