SysInfo OST Viewer Tool

Most Efficient Free OST Reader Tool to View and Open OST Files Without Outlook Installation

  (Average Rating 4.9 Based on 1844 rating)
  • Open and view OST files without Microsoft Outlook and Exchange Server.
  • Shows Outlook mail items including emails, calendars, contacts, tasks, etc.
  • Supports OST files without any restriction on file count and size.
  • OST viewer is fully compatible with Windows 11, 10, 8, and all older versions.
  • Compatible with all Exchange and Outlook versions including the latest 2019.

*Download Free Microsoft OST Viewer Tool, Fully Secure and Reliable!

Important Note: Remember this OST File Viewer is available for free. But if you want to save the recovered OST file items, you will encounter some restrictions. For saving purposes, you can download OST to PST Converter Software and avail all the features of it. It is specially designed for Conversion.

Benefits of Free OST File Reader Tool

Explore Some Key Advantages of SysInfo OST Viewer Software.

Why do we Need SysInfo OST File Viewer Online Tool?

Knowing the common scenarios when using the SysInfo OST Reader Tool can be beneficial.

To Read OST Files Without Outlook

To Read OST Files Without Outlook

If you are an Outlook user, opening OST is easy. However, this is different with non-Outlook users. Thus, SysInfo best free OST Viewer Tool is the best way to access OST files. It does not require installing MS Outlook or Exchange Server environment for viewing the contents of the file.

When Outlook Can’t Open OST Files

When Outlook Can’t Open OST Files

Sometimes, Outlook may cause hindrances while opening OST. This can be due to any possible reasons and a threat to Outlook mailbox data. Well, to prevent your crucial data from loss, use a secure OST File Reader and open multiple files at once, keeping data intact as original.

Access Multiple OST Files Simultaneously

Access Multiple OST Files Simultaneously

Outlook allows users to open single as well as multiple OST files simultaneously, consuming significant time and effort. OST Opener by SysInfo is a fast utility and supports opening multiple OST files at once. Using the tool, no need to worry about conversion too.

Noteworthy Features of SysInfo OST Viewer Software

Here are the Detailed Functionalities of SysInfo OST File Viewer Download Free that make it Fast and Secure.

OST Files without Outlook

Views OST Files without Outlook

SysInfoTools OST File Viewer makes it possible to open multiple or orphan OST files without MS Outlook or Exchange Server. You can easily open OST files and view all the mail items like Emails, Contacts, Journals, Tasks, etc. from any time & anywhere.

Smart OST File Viewing

Smart OST File Viewing

The SysInfo OST viewer download shows a smart preview of OST File data without needing to install Outlook. The entire email is displayed on the window in which you can view its all meta properties and attached files like images, graphs, and documents.

Add and Access OST in Bulk

Add and Access OST in Bulk

The OST Viewer Tool is competent enough to support and open OST files in bulk, which is not possible through the manual method. Moreover, no matter how large the OST file is, the tool does not restrict OST files based on size.

Opens and Saves OST to PST

Opens and Saves OST to PST

Once your entire OST files open after the scanning process, you can save them to other formats. However, converting OST has some limitations. Therefore, you can also use the Best OST to PST Converter to conveniently save your Outlook OST to PST.

Easy to Use-Interface

Easy to Use-Interface

Unlike manual procedures, this tool is impressively easy to operate and access OST files within a few simple steps only. Whether you are a tech expert or a novice user, the self-explanatory tool is handy for all. Also, for any technical assistance, reach out to ChatSupport.

Wide Windows Support

Wide Windows Support

Wide support and compatibility are provided with this tool that enables users to view OST files created in any version of MS Outlook including the latest 2019. Also, the tool is highly compatible with all major versions of Windows-based operating systems.

Software Specifications

Go through the SysInfo OST Viewer Tool technical specifications, for a better user experience

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About Product
Version: 23.10
Size: 173 MB
Release Date: 31 October, 2023
Language Supported: English
Edition: Home, Administrator, Technician & Enterprise
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System Requirement
Processor: Intel® Core™2 Duo E4600 Processor 2.40GHz
RAM: 8 GB RAM (16 GB Recommended)
Disk Space: Minimum Disk Space - 512 GB
Supported Windows: 11, 10/8.1/8/7/, 2008/2012 (32 & 64 Bit), and other Windows versions.
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Additional Information

Stepwise Procedure to View OST Files without Outlook

Simple Manual Steps to Know How to Open OST Files Without MS Outlook

Award and Reviews

SysInfo's Award-Winning Software Recognized by Experts- Highly Rated in the Best Category

Google
  4.2/5
Trustpilot
  4.6/5
capterra
  4.7/5

SysInfo OST Viewer Tool Free and Full Version Comparison

Get an Overview of How OST File Viewer Tool Free Differs from Premium Version

Product Features Free Version Full Version
Open & View Data from the OST file
Open OST Files Without Exchange Server
Export Items from the OST file into Other File Formats
View Outlook Offline Emails with Attachments.
Open Multiple OST Files at Once
Auto-Detects OST FileDetails
Save Recovered OST Files
24*7 Tech Support & 100% Secure
Money-Back Guarantee

Frequently Asked Questions

Check out this FAQ section, and get your answer about the SysInfo OST File Viewer

Ans: Use SysInfo Best OST Viewer Tool to read and view OST files as follows:

  1. Start the software first and add OST files to open.
  2. After adding OST files, click Next to proceed.
  3. The tool starts to read the OST files.
  4. It will show all the mailbox folders in the preview form.
  5. You can now open and view required folders like Inbox, Outbox, Deleted Items, Sent Items, Calendars, etc.

Ans: Yes. SysInfoTools OST Reader is a freeware that doesn't require Outlook or any third-party program to open the OST files. It lets you open the OST files and view the content i.e. emails and other mailbox data. You can also find How to Repair Corrupt OST File in Outlook 2019, 2016, and 2013?

Ans: Yes, of course. But for this, you first need to Repair OST File using the OST Recovery Tool. Then, add the recovered files you want to view. The software will open them one by one after closing the previous file.

Ans: Of course, the tool does not require any presence of Outlook or Exchange Server requirement to open or view orphan OST files.

Ans: No, the OST file viewer is a completely free tool to open OST files without MS Outlook. Simply download the application and read the OST file anytime from anywhere. However, to save the OST file to another format you need to purchase the premium version.

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