View OST File



SoftwarePro Free OST Viewer Software

View and Read All Data Items Stored in an Offline Outlook OST File

  • Preview OST Emails Along with Their Associated Attachments
  • Option to Scan Corrupted or Orphan OST Files using Advance Scan
  • Feature to Sort OST Files by Attributes: From, To, Subject, etc.
  • Avails the Option to Add and Read Multiple OST Files One-by-One
  • Select OST File to Preview Items Separately in the In-built Viewer
  • No Requirement of Exchange Server Environment to Read OST
  • Use Advance Scan to Recover and Preview Deleted OST Files
  • Takes Few Seconds to Reload Saved Scan and View OST Data Items
  • Shows Read / Unread Messages Directly in the Software Panel
  • Supports OST Files from Latest Outlook Version 2021 and Below
  • Compatible with Windows OS 11, 10, 8, 7 (32/64 bit), Win Server 2019, 2016, 2012 R2, 2008

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Free Live Demo: – Free Version Is Not Available

Awards and Winnings of OST Viewer

Most Safe and Easy Way to Read and View OST Files

Astonishing Features of Free OST Reader Tool

Best Rated Tool of 2023 to Scan and Preview OST Files

Read OST File without Exchange/Outlook

Add Multiple OST Files

The OST Viewer allows users to view all the data items of OST such as emails, contacts, calendar, notes, etc. There is an option to add multiple OST files one-by-one and read the items separately along with the attributes like From, To, Subject, Sent, Received date, and size by bytes. Also, one has the liberty to view the associated details of OST emails like path, subject, to, cc, and bcc.

View OST File with Attachments

Preview OST Attachments

This tool offers the benefit of not only previewing emails but the attachments integrated with them too directly from the software panel. Users can view any type of attachment from the OST file say images, documents, files etc. Additionally, users have the permission to play an audio or a video from the software which is inserted in the attachment.

Scan OST File

Advance and Save Scan Modes

To view and read corrupted or orphaned OST files, the Free OST Reader Tool is the perfect one for it. The Advance Scan feature allows users to scan and preview the files that are corrupted or orphaned so that the corruption is eliminated from the OST file. Also, the files can be saved once the corruption has been scanned and then view OST to read it.

No Pre-Requisites

No Outlook Pre-Requisites to View OST

OST files can easily be read as the software to view OST doesn’t have any pre-requirements. There is no dependency on having the email client installed to view OST file. Over that, the Exchange Server environment is not needed to read the OST files. This software can make it an easy and seamless task to preview all the data items of OST file along with the attachments.

View OST File Contacts

View OST Contacts Data

View the contacts associated with OST files using the OST Viewer Software along with their different attributes. It is permitted to the users to check out the personal details, address details, contact details, email addresses etc. To top that, one can sort the contacts by attributes such as From, File As, Company, Business Phone, Mobile Phone, Home Phone, etc

Read OST File Calendars

Read OST Calendar Data

The calendar data items can be viewed via the tool directly through the dashboard of the software. Users can view the details of calendar items from OST such as the path, location, start time, end time, recurrence, etc. Moreover, there is an option to sort the calendar as per the attributes that are Subject, Location, Start, End, Categories, etc.

Free OST File Viewer Software – Specifications
Download Best Software and Read OST File without Outlook

Software Download

Size 18.1 MB

Version 5.0

Trial Limitations

The free demo version of OST Viewer Tool will preview Emails, Contacts, Calendars, Tasks, Notes, Journals only.

System Specifications

Hard Disk Space
100 MB of free hard disk space required

2 GB of RAM (2 GB is recommended)

Intel® Core™ 2 Duo CPU E4600 @ 2.40GHz 2.39GHz


  • If you are using Windows 11, 10, 8, 7 (32 bit or 64 bit) & Windows Server 2019, 2016, 2012 R2, 2008, then please launch the tool as "Run as Administrator".
  • Microsoft .NET framework 4.5 or above


  • Windows 11, 10, 8, 7 (32 bit or 64 bit) & Windows Server 2019, 2016, 2012 R2, 2008
  • Microsoft Outlook 2000, 2003, 2007, 2010, 2013, 2016, 2019, 2021 (32/64-bit)


Electronic Delivery

OST Viewer Pro Order Now
Get an Overview of OST File Viewer and Pro Version
Features Viewer Version Pro Version
Browse Outlook OST Files
Scanning Options: Quick/Advance
Read OST File with Attachments
Preview OST Contacts, Calendars, Notes, Tasks, Journals
Windows 11, 10, 8, 7, Win Server 2019, 2016, 2012 R2, 2008
Outlook 2000, 2003, 2007, 2010, 2013, 2016, 2019, 2021
Advance Search Option
Print and Export File
Cost Download Now Purchase Now

Common Questions Asked by User

Get Related FAQs of Free OST File Reader
How does it help with viewing OST files quickly?

Read OST File without Exchange/Outlook

The software has simple steps:

  • Step 1: Launch Free OST Viewer Tool on Windows OS
  • Step 2: Choose Add File Option and Select Files to View
  • Step 3: Mark Advance Scan Option for Damaged File
  • Step 4: Read OST Files in OST Viewer Software

Yes, the tool is compatible with Windows OS versions 11, 10, 8, 7, and others.

The software is indeed designed with advance algorithms to first scan the corrupted files, free them of corruption, and then view them.

Yes, you can do that as this tool doesn’t depend on the presence of any email client to view the OST files.

There is no such restriction on the size of the OST file that you want to view.

What Customers Are Saying

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