DotStella OST File Viewer

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A remarkable tool to read OST file content without Outlook. The free OST viewer tool is capable of opening tons of OST files that contain emails, contacts and other items.

  • Easily Open and read OST files without MS Outlook & Exchange.
  • View emails, contacts, calendars, notes, and more from OST files.
  • Portable OST file viewer comes with Dual Advanced Search Modes.
  • Scan Normal, Orphaned & Computed OST files with attachments.
  • Multiple Preview windows to read bulk OST files without Outlook.
  • Ability to extract attachments from OST file & Save it on device.
  • Provide a Log report of final results at the user desired location.
  • Outlook OST file reader is compatible with all Windows editions.

Free Download

Why this DotStella Portable OST Viewer Software ?

Do you want an instant solution that opens OST files without Outlook ? If Yes, then use free OST file viewer utility. It is one such solution that is capable of opening all types of OST files with all data. It comes with no file size limitations. The tool also comes with the ability to filter OST file data via date, time, subject, content, to, from and more. One can also check the free demo version of the tool to understand the working process.

Valuable Qualities of Free Outlook OST File Viewer Tool

Read out the Best Features to Open, View & Read Outlook OST Files with Attachments

Open & Read OST Files without Outlook

OST file viewer freeware is a fabulous tool for reading emails, contacts, notes, tasks, attachments from an OST file. It is an easy-to-use utility that comes with an interactive interface to open old OST file. The application is independent to read the contents of OST file without installing MS Outlook & Exchange on a machine. One can also open configured OST files from Outlook versions.

View Corrupted OST Files with Attachments

Microsoft OST viewer is an expert's designed product and most suitable to open OST files with all information. One can open orphaned OST files, corrupted OST files, and normal OST files with the OST file reader tool. It is developed with the latest algorithm and the least technicalities. All types of users can access the utility to read multiple OST files and get 100% accurate results.

In-depth Scanning of Bulk OST Files

The OST file reader tool is user-friendly to view emails from offline OST files. The product is created with three Preview Modes: Normal View, Properties View, and Hex View. With the help of these scanning options, the user can read headers, sender Id, last modification time and other important details. It is a valuable product for forensics investigators to open & analyze OST files with attachments. Also, we have developed Metadata Eraser Tool to scrub metadata.

Smartly Hides the System Folder

OST file opener tool is introduced with the only aim to access & read OST files from all the Outlook versions. This standalone application to open OST files comes with a Compact view option that one will find at the bottom of the tool. After enabling this option, the tool will list selected folders containing the OST file. This way the user can save time & efforts during the OST file opening process.

Read Bulk OST without Size limitation

Using this Best OST viewer tool, people can view OST file content without any file size limitations. The tool supports heavy OST files, large OST files, and others. It is a reliable platform for simply viewing OST files with all the details. Also, one can open the OST file on another computer by downloading the solution. The user can see multiple offline OST files without much effort & time.

In-Built Dual Search Modes

If someone needs to search anything specific from the OST file like finding a keyword, text, or phrase, then it is possible with the Quick Search offered by the OST file viewer program. This search mode allows users to find any content from the OST emails. The Advance Search option allows people to sort OST file data by time, date, subject, year, to, from, name, content, and more.

Globally Trusted OST File Viewer

People from all over the world find this OST reader a 100% reliable product for opening all OST files without any loss. It is popular to read OST file without Outlook and another external application. This all-in-one OST file reader provides a simple & advanced view of OST files with detailed information. The integrity of OST file data is maintained before & after the process.

Wide Support for Windows Editions

The best OST file viewer is specially designed for the Windows platform. It means the user can install the application on any Windows supportive system. The tool supports all the editions from Windows be it the latest one or the older. One can also use the OST reader on Windows XP. It also comes with a free demo version that opens some OST files with all the information without any changes.

Download the Best OST Email Viewer Software Now!

Free Download

Specifications of Free OST Viewer Utility

Pentium Class or higher
Operating System
Windows 10, 8.1, 8, 7
512 MB Minimum (1 GB recommended)
Hard Disk
100 MB of free space
Language Supported

Watch Live Video of Freeware OST Message Viewer Tool

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Commonly Asked Questions

Follow the quick steps to read OST files without Outlook.

  • Step 1: Download OST file viewer on the Windows system.
  • Step 2: Click on Open and select OST files from the system.
  • Step 3: Click on OST email to get a preview in multiple modes.
  • Step 4: Click Search icon to find text, keywords inside OST files.

Yes, the tool is capable to read large OST files without Outlook.

Yes, one can read all the OST file contents with accuracy.

You can view multiple OST files without any size limitations.

Yes, the program is capable to read old OST files with all details.