100% Free Software

OST Viewer Tool

Download Free OST Reader Tool to open, view, and read OST files (Offline Storage Table), which is created by MS Outlook, Exchange Server, or Office 365 without requiring Outlook installation. Designed for both IT professionals & casual users who need a reliable & secure way to view Outlook OST files.

Download Now Purchase Now

free ost viewer

Free Download

Reliable Solution - Free OST Viewer Tool

Protect & Access Your Valuable On-Premise Data with OST Reader Tool, a Secure & Trustworthy Solution to Open & Read OST Files Without Having Outlook

  • Scans & Loads Orphaned or Damaged OST Files Through Advanced Scan Mode
  • OST Viewer Tool Allows to Preview OST Emails Along With All Mailbox Items
  • Easily Read Multiple OST Files One-by-One Using Built-in Viewer Panel
  • View & Access OST File Without Any Requirement of an Exchange Environment
  • Sort OST Emails by Attributes Such as From, To, Subject, Sent, and Size
  • Read OST File in Any Encryption Like: High, No, and Compactible Encryption
  • OST Reader Preserves Read/Unread Messages Status With All Features
  • Supports OST Offline Files of Latest MS Outlook 2021, 2019, & All Other Versions
  • Download OST Viewer Software for Windows 11 (64-bit), 10, 8, and 7 versions.

Live Free Demo: Don't miss out on the opportunity to try the OST Viewer Tool for free. Download the Demo Version Now!

Now with Simplified Licensing

Download Now

Purchase Now

best tool download
  Guide   Un/installation   EULA   Requirements

What Makes Us Different?

Key Features of OST Reader Tool

no need outlook

Open OST Files Without Outlook

Effortlessly read OST files even without needing an MS Outlook or Exchange Server connection. Whether your file got damaged or corrupted, this tool ensures a smooth preview of all OST files, allowing instant access to mailbox items such as Emails, Contacts, Calendars, Tasks, & Attachments.

Sorting

Sort & Search OST Emails Easily

Users can smoothly sort their emails by using attributes like From, To, Subject, Date, and Size and also use Keyword Search to detect specific conversations in a few clicks. This smart OST reader saves both time and effort by using these filtering options, which help users to find the critical messages quickly, even in multiple emails.

Creoss platform

Free & Cross-platform Compatibility

Using the OST Viewer software, which is free of cost & can be installed on various operating systems without facing any difficulties. It supports all versions of MS Outlook, including 2021, 2019, 2016, 2013, and older versions. This tool smoothly runs on Windows 11, 10, 8.1, 8, and 7 by ensuring no changes are made to your original OST file.

viewer

Advanced Modes

Multiple Preview Modes To View OST Files

Upgrading to OST Viewer Pro, users can easily view OST files in several preview modes given by the advanced utility. This tool allows forensic & IT professionals to do deep analysis of OST emails, contacts, metadata, and attachments for advanced purposes. It supports all Microsoft versions, which creates an OST file, which ensures effective compatibility without data or format loss. You can check the various preview modes given below:

  • Emails with Complete Header Details (From, To, Subject, Date)
  • Attachments Preview (Images, Documents, ZIP files, etc.)
  • Contacts Details with Complete Fields
  • Calendars, Tasks, Journals, and Notes

Visual Guide

OST Viewer Tool - Video

Open OST without Outlook 99.9%
User Interface 97%
After Sales Support 100%

Error Free

Prime Features of OST Viewer Tool

no need outlook

Optimized OST Viewing

OST Viewer Software allows users to open OST mailbox items in an optimized manner without any hindrance. The tool helps to view complex files instantly without facing any lags and ensures effective movement of files among all folders. Users can efficiently explore emails, contacts, and other items without installation, which directly reduces the main memory consumption.

advance scan

Advanced Scan & Save Scan Mode

This OST Reader Software allows the user to read the orphaned, damaged, or corrupted OST files, and then this Advanced Scan Option comes, which scans along with the corrupted file. And after scanning the OST file, you can save the output using Save Scan Mode, which enables instant loading of the huge OST file without rescanning in the future.

View attachments

View Email Attachments

Users can view emails, including attachments such as Images, Documents, and Zip Files, directly from this OST Viewer interface. It can detect all attached items in their original file format, which makes it easy to find and read important files without having third-party software.

Preview all

Preview Many Outlook OST Files

With our free OST File Viewer tool, one can easily view OST files along with emails, contacts, calendars, etc. This software previews all files with attributes like From, To, Subject, and Sent. The user can efficiently select multiple OST files, which saves time & effort.

data integrity

Maintain Original Data Structure & Integrity

This OST Viewer Tool preserves the folder structure and hierarchy, along with metadata with read/unread status for each message. This offers 100% accuracy, as it avoids data modification while viewing Outlook OST files, which makes it a more reliable & trusted solution for both organizational & personal use.

advance preview

Advanced Preview Mode for Orphaned OST Files

This tool can easily analyze and repair the data from extremely damaged or corrupted OST files. Its Advanced Scan Mode makes sure that even hidden or deleted mailbox items get detected or displayed to users, which helps them to view Outlook data safely with complete data integrity.

Technical Specifications

Requirements to Launch OST Viewer Tool
ost reader

Download Free OST File Viewer to Read OST Files Easily

Version: 5.0
Size: 18.1 MB
MD5: 7920bd60326278c1bd912f4146f604d7
Software Download: Download Now Download Now

trial-limitation

trial-limitation
Trial Limitations: 		The free version of the OST Reader Tool will only allow users to preview only Outlook OST items like Emails, Contacts, Notes, and Journals.

hard-disk

hard-disk

Hard Disk Space: Around 500 MB of free space for installation
RAM: Minimum 8 GB is recommended
Processor: Minimum 8 Core Processor

cross-platform

cross-platform
Platforms: 		Windows 2012 / 2016 Server, Windows 10 / 11 (64-bit) & Exchange Server 2019, 2016, 2013, 2010, 2007 (and older)

pre-requisites

pre-requisites
Pre Requisites:
  • Microsoft .NET Framework v4.8.0 – For Windows
  • Microsoft Visual C++ Redistributable Latest (Visual Studio 2015, 2017, 2019, and 2022) Should Be Installed.
  • Launch the tool by right-clicking on it and selecting 'Run as administrator'.

product-guide

product-guide
Product Guide: 		Software Guide   Installation   Uninstallation   EULA  

Working Guide

How Does OST Viewer Tool Works? ‐ Screenshots!
free
ost viewer
best free
100% free

Feature Comparison

Unmatched Capabilities of the OST Viewer Tool!
Best Value
Features

Free

$0

Full Version

$69
Auto Scan Mode to View OST File
Preview OST File Data Items
Open Outlook BAK File
View Emails with Attachments
Supports Windows 11 & All below Versions
Free Installation on Multiple Computers
Save OST File Data Only Preview
Advance Search Options Enabled Only Preview

 Download Now

 Purchase Now

money back guarantee

30-Day Money
Back Guarantee

secure

100% Secure
Always First

tech support

Free
Tech Support

Relateable Queries

Questions Regarding OST Viewer Tool
faqs

Yes, this software is standalone, which means it doesn't require MS Outlook to be installed to view OST files.

Yes, the user can preview all attached items, like images, documents, and compressed files, in their original format.

Yes, this Orphanded OST Viewer software is completely free. You can download & use it on different systems without any fee. But if you want to upgrade to pro, then it requires a license.

Free OST Viewer allows users to read OST files, while the Pro Version offers extra export options that help to convert Outlook OST files into different formats with advanced data integrity.

Testimonials

What Clients Say About Our Work?