Free OST Viewer Tool Best Software to open Orphaned Outlook OST Files Data

4.2 (17 Reviews) [ Rate It... ]

  • Read All OST Components i.e., Emails, Contacts, or Calendars
  • Preview OST emails with Embedded Objects & Attachments
  • Count Items from each folder & subfolder for Selected OST folder
  • Open Multiple OST Files & Read their Information in Batch Mode
  • Use OST Viewer Tool for All Forensic Investigation & Examination
  • Fully Standalone Application to Read OST files without Outlook
  • Users can check Status of OST Emails i.e., Read/Unread Messages
  • Double Click to Copy & Save OST Emails as Raw HTML File
  • Run Free OST Viewer Software on both Mac & Windows OS

Download For Windows Download For Mac

Convert OST Files to Various Formats

Features & Benefits


Open OST Files without Outlook

Free OST Viewer tool is designed to open OST files without requiring Microsoft Outlook email client installation. You can read all the details like OST emails, contacts, calendars, tasks, notes or journals with this software. It is capable to open the encrypted Outlook messages stored in the OST files without any issue.


Preview OST Files with Attachments

This toolkit is designed for the users to read OST emails with all type of inserted attachment files. It will enable them to preview complete detail of emails. All the attachment files will get listed into a separate panel. Users can double click on the file to open the attachment file & preview it without any problem.


Read OST Emails with All Details

An Outlook email may contain a lot of details like header information, meta properties, embedded objects, signature, hyperlinks, images etc. The Free OST Viewer toolkit will allow the users to read OST file details with complete information. It will not alter or change the formatting of your emails before making its preview.


Open Multiple OST Files in Batch Mode

This toolkit provides users to a batch mode to open multiple OST files directly in the application panel. You can load OST files in the utility panel by dual ways using Add Files or Add Folders. A user can browse for the source folder location of OST files. You can load the files one by one or multiple OST files directly from a folder.


Analyze OST Files for Digital Forensics

A user can analyze OST files for the digital forensic purpose. This tool will display all the required information in its panel. It is capable to provide preview of both UNICODE OST files or ANSI OST files. Forensic experts can read the Password Protected, Encrypted or even corrupted OST files directly from the tool.


Open OST Files of Any Size

OST File Viewer can open OST files or any size without any limitation. A user will not face any problem while trying to open OST files due to oversize. The OST Viewer utility is compatible with both Mac & Windows OS. User can run it on both OS without any platform dependency & read the OST file information.

Free OST File Viewer System Requirement

Download For Mac

Meet following minimum System Requirement for the working of OST Viewer Software.  

  • Program Name: Free OST Viewer Utility
  • Version: 2.0
  • System Requirement: Pentium II 400 MHz, 64 MB RAM, Minimum 30 MB Space
  • Operating System: Windows 10, 8.1, 8, 7, Vista, XP etc
    Windows Server 2016, 2013, 2000
3 Steps to Read OST Files Data
OST preview

Step 1 : Launch Free OST Viewer software & load files in it by dual ways.

Open OST on Mac

Step 2 : Select any of the OST email to read its information with all details.

preview Outlook OST

Step 3 : OST Viewer Wizard also allows to read Contacts & Calendars.

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17 Ratings
Britney Patt
This toolkit provides a standalone platform to read details from an orphaned OST file.
Woo Han
I wonder how easily this tool displays me the complete information of OST file.
Nickole Jedi
No doubt, it is an incredible choice to open & read OST files data complete for free.

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