View Corrupt or Orphan OST Files Without Email Client Dependency
Note - Free Version Is Not Available
Different editions of OST Viewer offer a variety of features. Below is an extensive list of the features you can get with each edition:
When you get this OST file viewer on your computer, you will be given access to a range of features.
If you want to access additional features, upgrading to the Pro Version of Outlook OST Viewer is recommended.
Features of OST Viewer
With SysTools OST Viewer Pro, one can read OST files in different preview modes provided by the software. Forensic Investigators can also perform an in-depth analysis of OST emails via the various preview modes provided by the software. Moreover, the utility is capable to work with OST files of different Outlook versions without any compatibility issue.
Preview Modes Provided By OST Viewer
Support OST File of Outlook Version
Sometimes, the user needs to search for a particular OST email among various OST files. With the OST Viewer software developed by SysTools, the user can easily search for a specific OST email using the Advanced Search feature and also save the search results into Portable Document Format.
|Normal Mail View||View OST file emails along with attributes such as:
|Email Functionalities||Show status of OST emails:
|Calendars Details||View OST files calendars along with the information and attributes such as:
|Personal Details||The software permits the user to read OST files contacts along with the personal details such as:
|Contact Details||One can view different contact details of OST contacts:
|Address Details||The software allows the user to view address details such as:
|Email Address||One can easily view the email address associated OST contacts.|
|Sort Contacts||The tool permits the user to sort emails according to:
|Tasks Details||One can also view the attributes associated with the OST files tasks such as:
|Sort Tasks||The user can easily sort tasks according to:
|Notes Details||The user can view OST files notes along with the details such as:
|Journals Details||The tool allows the user to view information related to OST Journals:
|Sort Journals||One can easily sort Journals associated with OST files according to:
Free OST Viewer Tool to Read Corrupted OST Files
Preview Multiple OST Files
With free OST Viewer software, you can read OST files, emails, contacts, calendars, etc. The OST Email Viewer software generates a preview of all the OST file messages with attributes such as From, Subject, To, Sent, Received date and Size in bytes. One can also view details associated with an OST email message such as path, subject, cc, to, and bcc.
View Email Attachments
One can view the attachments associated with OST emails directly from the OST Viewer software’s dashboard. The user can view different types of attachments such as images, documents, and files via the tool. Moreover, the software permits the user to play any audio or video files embedded into the attachment from the software interface.
Outlook OST Folder Viewer tool also allows users to view orphan as well as corrupt OST files. If you need to view a corrupt OST file, then just select the Advanced Scan option to scan the OST file and eliminate the corruption. After the scanning process, the Save Scan Mode permits you to save the healthy OST file in the software interface. You can load the saved OST file just by clicking the Load Scan option.
One can easily read and view OST files using the OST Email Viewer software without the help of any email client. Moreover, there is no requirement of Exchange Server environment to view OST files. Free OST Reader is a standalone utility, which allows users to view and read OST files seamlessly along with all the data items. Standalone OST Viewer Tool to read OST files from Outlook 2021, 2019, 2016, and below versions.
OST Contacts Viewer
The Outlook OST Viewer software provides the preview of all the contacts associated with the OST file along with different attributes. The user can easily view personal details, contact details, address details, emails address associated with contacts, etc. The software also allows the user to sort OST contacts according to various attributes such as From, Company, File As, Business Phone, Home Phone, Mobile Phone, and Categories.
OST Calendar Viewer
The free OST Calendar Viewer tool also permits the user to view calendars related to OST files directly from the software’s dashboard. The user can view calendar details such as path, location, start time, end time, and recurrence. Additionally, one can also sort OST calendar according to Subject, Location, Start, End, and Categories. Preview OST file calendar items in Windows OS 11, 10, 8, 7, Server 2019, 2016, 2012, and 2008.
Sort OST File Data By Attributes
The Outlook OST Folder Viewer software allows the user to sort OST emails, contacts, calendar, notes, etc., according to particular attributes. These attributes vary according to OST file data items. These attributes include: From, Company, Location, Subject, Category, Size, Home Phone, File As, To, Sent, Received, etc.
Optimized OST Viewing
The OST Reader tool allows the user to read OST file items in an optimized way without the occurrence of any error. The software also provides an option to change the location of its Temp folder from the installation drive (C drive) to any other drive. This helps to reduce the main memory consumption.
Preview Emails in Different Styles
With OST Viewer Pro, the user can preview OST emails in different file formats such as Normal Mail View, Hex View, Property View, Message Header View, MIME View Attachments View, and RTF View.
Sort Email via Property
Once the emails present in the OST file get listed, you can sort or arrange the emails on the basis of their attributes such as From, To, Received Date, Sent Date, and Size in KB using the Outlook OST viewer pro application.
Advanced Search OST File
OST Viewer Pro grants the advanced searching feature to find a specific email by typing a matching keyword or term. The user can apply various filters such as To, Bcc, and CC and filter operators like AND/OR to perform deep searching of messages of an OST file.
Export Data in Portable Format
The user can also save emails in Portable Document Format via OST Viewer Pro utility. The software also allows you to export batch emails along with their attachments as well as only some OST files through the selective export process.
Date Filter Option
Use the Date Filter option, provides by the OST Viewer Pro Tool to export OST emails according to a particular date range. To apply the date filter, you need to select the desired date range in ‘To’ and ‘From’ fields.
Save Selective Files or Folders
Users can easily check or uncheck the OST files or folders which they want to export into Portable Document Format. This will save the user’s time by exporting only the required OST files or folders.
Set Naming Pattern
One can easily use various combinations of date, year, month as well as auto incremental options to save the resultant file. By default, the files will get saved by the line of the subject. The software offers a list of file naming patterns for you to choose from as per your requirement.
Make New Folder to Save File
SysTools OST File Viewer Pro utility prompts users to choose the desired location for saving the converted OST files. The tool also allows users to create a new folder from the software panel to save the Portable Document Format files directly into it.
Free Download OST Reader Software
Free version of SysTools OST Viewer Tool only lets you preview all Outlook OST Emails, Contacts, Calendar, Notes, Task, Journal Items.
Hard Disk Space
100 MB of free hard disk space required
2 GB is recommended
Intel® Core™ 2 Duo CPU E4600 @ 2.40GHz 2.39GHz
Microsoft Windows 11 (64-bit), Windows 10, 8, 7 (32 bit or 64 bit) & Windows Server 2019, 2016, 2012 R2, 2008
Microsoft Outlook 2000, 2003, 2007, 2010(32/64 bit), 2013 (32/64 bit), 2016 (32/64-bit), 2019 (32/64-bit), 2021 (32/64-bit)
Upgrade to Outlook OST Viewer Pro for Advance Search & Export Option
|Add OST File|
|Auto Scan Mode|
|Open Outlook BAK File|
|Preview OST Files|
|View Emails with Attachments|
|Free Installation on Multiple Computers|
|Advance Search Options|
|Save to Portable Document Format|
|Export OST to PST, EML, MSG|
|Split Outlook Data File|
|Buy Now||Buy Now||Buy Now|
2023 Highly Rated & Most Popular Outlook OST Viewer Tool
SysTools OST Viewer utility is a versatile and smart tool to view Outlook OST files without the installation of any email client. The software also provides various functionalities to facilitate a seamless flow of work.
SysTools OST Viewer Freeware is a program for browsing the contents of Outlook OST files (Email, Contacts, Calendars, Tasks, Notes, Journals) along with their attachments.
With SysTools OST Viewer tool, I was able to view orphan OST files present on my system without any issue. The software is very easy-to-use and works with great speed and efficiency.
When it comes to an all-rounder tool to view and examine OST files, then I would always suggest SysTools OST Viewer tool. Moreover, there is no chance of any data and security issues while working with the tool.
Listed Commonly Asked Questions and Answers
Perform the following steps to view an OST file without connecting to the Exchange Server:
Yes, the OST Viewer tool is compatible with Windows 11, 10 machine and all its previous versions. You can read an OST file easily with the help of the OST file opener.
There is no limitation on the size of the OST file or number of emails that the OST file explorer software can process.
OST Viewer is absolutely free of cost with limited options. For advance options like Export to Portable Document Format or Advance Search, you need to upgrade to OST Viewer Pro.
Yes, you can view an orphan OST file using OST Viewer. No application or Server environment is required to read and view OST files by the OST file browser.
Yes, the OST explorer software allows you to view even corrupted file contents, irrespective of the type or level of corruption. OST file viewer tool has two modes of scanning: Quick and Advance. The Quick mode is the default mode, which is used if there is minor corruption in the OST file. In case the file is highly corrupted or you are still not getting the entire set of data items, then use the Advance option for scanning. This mode scans every sector of the file thoroughly and is used to retrieve the contents of highly-corrupted files.
Yes, the free OST File Reader can view OST files in Outlook and even without Outlook and Exchange Server environment. OST browser software is completely independent of Outlook or Exchange Server to view OST files.
No, it is not possible to save the previewed data using the free OST Viewer tool. However, you can save all the data into any desired file format using OST Converter.
Yes, you can read and view OST files via the OST Reader software without facing any data loss or security issues.
Yes, one can easily view the attachments associated with an OST file by using the OST Reader Attachments View Mode.
What Customers Are Saying
I am a Forensic Investigator and I need to examine OST files to carve out evidence from them. I always wanted an instant and reliable way to investigate OST files and save them into Portable Document Format, but never found the exact tool to meet my requirements. A few days back, I got to know about SysTools OST Viewer, and found it to be exactly what I wanted. It is such a performance-rich and efficient tool to work with. Now, with OST Reader, I can perform in-depth analysis of OST files in a hassle-free way.
My Manager shared an OST file with me. As I did not have Outlook installed on my system, I was not able to read and view that OST file. Then one of my friends suggested me SysTools OST Viewer and this software worked as a lifesaver. Within just a few clicks, I was able to view the orphan OST file without the installation of any email application.
SysTools OST Viewer has various functionalities and features which makes it easy for users to work with corrupt and orphan OST files. Moreover, the Free OST Reader software sports a user-friendly interface which permits users to work with the tool without any problem.
I was given the task to view OST file emails and contacts with all the details associated with them. The SysTools OST Viewer made it possible for me to read and view OST files with all the data such as emails, contacts, and calendars. I was also able to view the attachments associated with OST files easily.