open outlook ost file

Free Download

Tool to Open Outlook OST File

Make a Use of Free Software to Open OST file and Read Emails Without MS Outlook

  • A free tool to view Offline OST File with Attachments
  • Preview Emails, Calendars, Contacts, Tasks, Notes and  Journals
  • Quick and Advance Scan Mode to Retrieve Deleted Items from OST file
  • Provides Item count for each Folders as well as Sub folders of OST file
  • Exchange Server Environment  is not required to Open and read OST Files

Open Outlook OST after Your Mailbox Gets Deleted from Server

Use Free Outlook OST Viewer Tool

In Microsoft Outlook and Exchange Server environment, the mailboxes of all users are stored over the Server itself. This is a common mistake often made by the system administrator that he accidentally and mistakenly deletes your mailbox from the Microsoft exchange Server. Now, if your account gets deleted without freeing its assigned mailbox, then Exchange mailbox gets corrupted, which brings you in a problematic situation where you become unable to perform the required emailing operations.

Scan and Fix all OST Errors

Scan and Fix OST File Errors

In the very first step, the tool scans and fixes all issues from OST file. Quick and Advance scan facilities are provided by the tool.

Preview Attachments of OST File

Preview Data with Attachments

After scanning process, the tool generates a complete preview of all mail items: emails, contacts, calendars and notes etc.

Maintain Data information

Maintain Meta Data Information

This is the most helpful feature of the tool that completely maintains Meta information while recovering or exporting OST file data.

Multiple Export Options

Multiple Export Options

Paid edition of the tool is capable to export recovered OST file into most popular formats such as: PST, EML and MSG formats.

Check How to Open Outlook OST File ?


If due the above mentioned reason, your Exchange mailbox is deleted from the Server accidentally by the system administrator, and you need to urgently have those emails in your mailbox back, then you can open Outlook OST in PST file to access it with Outlook email application. For performing this conversion, you can make use of the very simple software solution provided to you by SysTools; it is Convert OST files to Outlook PST files software. The software will help you perform complete and comprehensive conversion of all mailbox objects from all folders along with sub-folders in a short span of time as it uses highly advanced technology for this purpose.


Browse OST Files

Browse OST File


Scan and Fix Issues in OST file

Scan and Fix Issues


Preview all Emails with Attachments

Preview Emails with Attachments


Export OST files to PST

Export OST file to PST

Compare Editions

OST Reader Software — Trial & Full Version

Open OST File  
Support Windows 8.1 & All Older editions  
Preview OST File Items  
Split Resulting PST File  
Export OST File Items  

Download and Open Outlook OST


Purchase and Open Outlook OST

Satisfaction Guaranteed


In order to open outlook OST file that had gone corrupted, I deployed OST Viewer tool. It recovered the entire data from the corrupted file. I would really like to thank the organization for developing such an efficient tool.

Josephine RicePeru

The OST Viewer tool is the best OST tool that I have come across. It fulfills the pre-requisite to access the OST files without Exchange Server environment. No doubt it is the most recommended tool.

Peggy BassUSA

The OST Viewer tool came as an answer to my query-How to open OST file without Outlook. No matter whether the file is corrupt or healthy, the tool will give a complete preview of the OST file.

Shawn FisherLondon

One of the most efficient OST Reader freeware is OST Viewer Tool. You can view entire OST file data without spending any amount of money. Kudos to you all

Julia DayAustralia