How To View OST Data Without MS Outlook

Want to know how to open and view specific data from OST files even without Exchange Server or Outlook then here is a detailed manual guide on how you can use the software with ease

Cigati OST File Viewer is one of the most advanced freeware application which not only help users to view, read and open OST file data but also help users to read them without MS Exchange Server or MS Outlook. The software supports both healthy as well corrupt OST files. The application has been designed to view emails with that it also let users to go through all the contacts, notes, calendars, tasks, journals and other mailbox items.

Key Features of Cigati OST File Viewer Tool

  • View content of OST files without MS Outlook
  • Read & open data of OST files
  • Support viewing of normal as well as corrupt OST files
  • Let users to generate different types of reports like Mail flow, Item Types, Interaction between users etc.
  • Allow users to view email contents
  • View mailbox items like contacts, notes, calendars, tasks, journals and so on
  • Create Log files
  • Let users preview of encrypted as well as password protected OST files
  • Simple & easy to understand GUI
  • Support OST files created by any version of Microsoft Outlook
  • Runs smoothly on all versions of MS Windows OS

Updating the Software

There is no need to update the software as the tool has been designed in such a way that it gets updated automatically. However, if you want to know the details on various updates, you can check out our NEWS section.

How To View & Open Your OST Data With Ease

Facing issues in viewing your OST data? Then this step by steps guide would surely help you out


Step 01: Download and launch Cigati OST File Viewer tool and click on Open on the top left corner of your screen.


Step 02: Now click on Browse and select the OST files that you want to view.


Step 03: You can even select the Recovery Mode as per your corruption level. Standard mode has been designed to tackle minimal corruption, Advanced mode to handle major corruption and Deep mode to tackle severe data corruption.


Step 04: After selecting click on Ok.


Step 05: Wait till the software scan all your documents.


Step 06: Now click on Ok as soon as the software shows you the above message.


Step 07: Here you can easily preview each and every document present in your OST files. So just click one by one and preview them.


Step 08: Now, if you want to recover the files in your system then you have to purchase OST Recovery Tool. The free version will only allow you to view and open your data.


Step 09: And finally click on Ok to close the application.

Installation & Uninstallation

Cigati OST File Viewer

  • New & enhanced GUI
  • Let users to preview OST files in its old hierarchy
  • Allow users to preview mailbox items as well

Demo Version

Try the demo version of Outlook Email Recovery Tool, which let users to preview all their Outlook contents including emails and their mailbox items. But to save the files in your system or in Outlook you have to purchase the full version.

Purchasing the Full Version

Done with the demo version? You can purchase the full version of this software and can avail the other benefits. The software licenses are distributed in three categories so choose the best suited license:

Single User

Single user license is the type of license which is suggested for one person / user to use the software for non-commercial purpose. The single user license or personal license is intended for home users and designed for non-commercial purpose only. Single license user can install the software on one or two systems at any given time.


The Administrator license has been designed for users who want to use the application in a corporate, business, academic or in a government environment. In layman terms, the given license has been designed to be used at multiple computers within a single geographical location. The Administrator license will be assigned in the organization name provided at the time of purchase.


The Technician license is intended for users / technicians and corporations who have clients or offices all around the world. The license will be issued under the organization’s name and can be used on multiple systems at multiple locations. The license in non-transferable and gives you permission of unlimited data recovery.

Software Support

For any technical assistance or queries shoot us your question at or you can even contact our software support team available 24x7 at your service.

User Interface

Cigati OST File Viewer Software has been designed with one of the most simple and easy to use interface. It has been developed in such a way that even a novice user can use this tool without any technical expertise.

software interface

The application contains Menus that let users to access various other features that the software is providing.


When you launch the software, you will find the below Menu options for the following features:

Open: You can use the Open button to select the OST files that you want to view.

Stop: The Stop button will help you to stop any given process running in the software

Help: Click this button to open the user help guide.

About: The About button basically displays the about section of the software

Buy: After viewing the OST files and all its data, if you want to save that data in your system then you have to buy the upgraded version of the viewer, i.e. OST File Recovery Tool. So to do that, you have to use this button.