SysTools OST Viewer Freeware

View Corrupt or Orphan OST Files Without Email Client Dependency

(Average Rating 4.8 Based on 1869 Reviews)

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OST Viewer Pro Features

Outlook OST Viewer

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Guide

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View OST File Data Such as Emails, Contacts, Calendars, etc.

  • Preview OST Email Along With The Attachments Associated With It
  • Scan and Open Corrupt or Orphan OST File via Advanced Scan Mode
  • Sort OST Emails by Attributes: From, To, Subject, Sent, Size, etc.
  • Add Multiple OST Files One by One & Open Item in an In-built Viewer
  • Exchange Server Environment is Not Required to Open and Read OST Files
  • Advance Scan Mode to Recover Deleted OST File Items
  • Reload The Saved Scan File and View OST File in Just a Few Seconds
  • View Read/Unread Message Status Directly from The Software’s Interface
  • Get Free Installation on Multiple Computers and Personal System
  • Supports OST File of The Latest Microsoft Outlook 2019 and All The Prior Versions
  • Support Windows OS All The Versions: Windows 10, 8.1, 8, 7 etc.
  • Upgrade to Pro Version to Avail Advanced Search, Export as PDF Option

Free Live Demo - SysTools OST Viewer Fully Secured Download Version

Awards & Ratings of SysTools OST Viewer Software

2019 Highly Rated & Most Popular Outlook OST Viewer Tool

Awards & Reviews

MVP & Expert Reviews

Multiple OST Preview Modes

Multiple Preview Modes to View OST File

With SysTools OST Viewer, one can open and read OST file in different preview modes provided by the software. The Forensic Investigators can also perform the in-depth analysis of OST emails via the various preview modes provided by the software. Moreover, the utility is capable to work with OST file of different Outlook versions without any compatibility issue.

Preview Modes Provided By OST Viewer

  • Normal Mail View
  • Hex View
  • Properties View
  • Message Header View
  • MIME View
  • HTML View
  • RTF View
  • Attachments View

Support OST File of Outlook Version

  • Microsoft Outlook 2019
  • Microsoft Outlook 2016
  • Microsoft Outlook 2013
  • Microsoft Outlook 2010
  • Microsoft Outlook 2007
  • Microsoft Outlook 2003
  • Microsoft Outlook 2002
  • Microsoft Outlook 2000

OST Viewer Pro

Robust Search and Export Functionalities

Sometimes, the user needs to search for a particular OST email among various OST files. With OST Viewer software developed by SysTools, the user can easily search for a specific OST email using Advanced Search feature and also save the search results into PDF format.

  • Advanced Search: One can easily search for a particular OST email among tons of OST files in a simplified way with the help of the Advanced Search option. Moreover, one can also apply filters and operators to make search more specific.
  • Export to PDF: In some cases, the user needs to export OST files into PDF format. To present evidence in courtrooms, Forensic Investigators need to convert OST files into PDF format. The software permits the users to convert OST files into PDF format.

View Different Data Item Associated With OST Using SysTools OST Viewer

Normal Mail View View OST file emails along with attributes such as:
  • Path
  • From
  • To
  • Cc
  • Bcc
  • Subject
  • Attachments Message Body
  • Date
  • Time
Attachments View
  • View attachments associated with OST files.
  • Preview different types of attachments such as image, text, DOCX, charts, etc.
  • Play audio and video file present in the attachments directly from the software interface.
Email Functionalities Show status of OST emails:
  • Read Status
  • Unread Status
Sort OST emails according to attributes such as:
  • From
  • To
  • Subject
  • Send
  • Received
  • Size (KB)
Calendars Details Open OST files calendars along with the information and attributes such as:
  • Path
  • Subject
  • Location
  • Start Time
  • End Time
  • Recurrence
  • Attachments with Contacts
Sort calendars associated with OST file according to:
  • Subject
  • Location
  • Start
  • End
  • Categories
Personal Details The software permits the user to read OST files contacts along with the personal details such as:
  • Name
  • Nick Name
  • Birth Date
  • Spouse
  • Anniversary
Contact Details One can view different contact details of OST contacts:
  • Primary Phone
  • Mobile Phone
  • Pager
  • Home
  • Business
Address Details The software allows the user to view address details such as:
  • Home Address
  • Business Address
  • Other
Email Address One can easily view the email address associated OST contacts.
Sort Contacts The tool permits the user to sort emails according to:
  • Full Name
  • Company
  • File As
  • Business Phone
  • Business Fax
  • Home Phone
  • Mobile Phone
  • Categories
Tasks Details One can also view the attributes associated with the OST files tasks such as:
  • Subject
  • Start Date
  • Status
  • Due Date
  • Priority
  • Complete
  • Reminder
  • Owner
  • Recurrence
  • Attachments related to OST tasks
Sort Tasks The user can easily sort tasks according to:
  • Task Subject
  • Status
  • Due Date
  • Categories
Notes Details The user can view OST files notes along with the details such as:
  • Subject
  • Created
  • Categories
Journals Details The tool allows the user to view information related to OST Journals:
  • Subject
  • Category
  • Entry Type
  • Start
  • Attachments
  • Company
  • Duration
Sort Journals One can easily sort Journals associated with OST files according to:
  • Subject
  • Start
  • Duration(min)

Prime Features of SysTools OST Viewer

Free OST Viewer Tool to Open and Read Corrupted OST Files


Open OST File without Outlook

Preview Multiple OST Files

With free OST Viewer, the user can read OST files; emails, contacts, calendars, etc. The software will generate a preview of all messages with attributes like From, Subject, To, Sent, Received date and Size in bytes. One can also view details associated with OST email message such as path, subject, cc, to, bcc, etc.

Read OST File with Attachments

View Email Attachments

One can easily view attachments associated with OST emails directly from the OST Viewer software’s dashboard. The user can view different types of attachments such as image, documents, file, etc. via the tool. Moreover, the software permits the user to play any audio or video embedded into the attachment from the software interface.

Scan & Save OST File

Advanced Scan and Save Scan Mode

The user can easily view orphan as well as corrupt files via Outlook OST Viewer tool. If the user is having a corrupt OST file then he/she has to select the Advanced Scan to scan OST file and eliminate the corruption. After the scanning process, Save Scan Mode permits the user to save the healthy OST file in the software interface. The user can load the saved OST file just by clicking on the Load Scan option.

No Pre-Requisites

No Pre-Requirements

One can easily open and view OST files using the software without the dependency of any email client. Moreover, there is no requirement of Exchange Server environment to view the OST files. Free OST Reader is a standalone utility which makes it seamless for the user to open and read OST files along with all the data items.

Open OST File Contacts

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. Moreover, the user can also sort OST contacts according to various attributes such as From, Company, File As, Business Phone, Home Phone, Mobile Phone, Categories, etc.

View OST File Calendar

OST Calendar Viewer

The free OST 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, recurrence, etc. Additionally, one can also sort OST calendar according to Subject, Location, Start, End, and Categories.

Sort OST File

Sort OST File Data By Attributes

The Outlook OST 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.

OST Optimized View

Optimized OST Viewing

The OST Reader tool allows the user to Open OST file items in an optimized way without showing any crash report. As it provides an option to change the location of Temp folder (of software) from installation drive (C drive) to any free drive space, which in turn reduce the main memory consumption.

Upgrade to SysTools OST Viewer Pro to Avail Advanced Features


Preview Email in Multiple Modes

Preview Email 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, RTF View, etc.

Sort Email by Property

Sort Email via Property

Once the emails in OST file get listed, one can sort it by arranging its properties like From, To, Received date, Sent Date, and Size in KB in upside down or vice versa order.

OST File Search

Advanced Search OST File

OST Viewer Pro grants the advanced searching feature to find specific email by typing a matching keyword or term. The user can apply various filters such as To, Bcc, CC, etc. and filter operators: AND/OR to perform deep searching of messages of an OST file.

Export OST Files

Export OST Files to PDF

The user can also export OST files into PDF file format via OST Viewer Pro utility. One can also export OST emails into PDF in a batch along with the attachment. Moreover, the user can also perform the selective export process by selecting desired OST files.

Date Filter

Date Filter Option

While exporting the OST files, the user can also apply date filter to export the OST emails according to a particular date range. The user just has to select the desired date range in ‘To’ and ‘From’ fields.

Selective Export

Save Selective Files or Folder

The user can easily check or uncheck the OST files or folder which he/she want to export into PDF format. This will save the user’s time by exporting only the required OST files or folder.

Naming Option

Set Naming Pattern For PDF

One can easily use various combinations of date, year, month as well as auto incremental options to save the resultant PDF file. By default, the files will get saved as the subject. The user can also alter the name according to the choice.

Create New Folder

Make New Folder to Save File

OST Viewer prompts the user to choose the desired location for saving the converted OST file. If the user wants, he/she can also create a new folder from the software panel to save the PDF files directly into it.

OST Viewer Software Specifications

Free Download OST Reader Software

Software Download

Size: 18.1 MB

Version: 5.0

Software Limitations

Limitations
Free version of SysTools OST Viewer Tool only preview all Outlook OST Emails, Contacts, Calendar, Notes, Task, Journal Items.

System Specifications

Hard Disk Space
100 MB of free hard disk space required

RAM
2 GB is recommended

Processor
Intel® Pentium 1 GHz processor(x86, x64) or equal

Operating System

Microsoft Windows 2000, 2003, 2008, XP, Vista, Windows 7/8/8.1, 2008/2012 , Windows 10 (32-bit & 64-bit)

Application
Pre-Requisites

If you are using Windows 10/8.1/8/7 or Vista, then please launch the tool as "Run as Administrator".

Supported Editions

Microsoft Outlook 2000, 2003, 2007, 2010(32/64 bit), 2013 (32/64 bit), 2016 (32/64-bit), 2019

FAQs




Electronic Delivery


Upgrade to OST Viewer Pro Version

Upgrade to Outlook OST Viewer Pro for Advance Search & Export Option

Features FREE Version PRO Version
Add OST File
Auto Scan Mode
Preview OST Files
View Emails with Attachments
Free Installation on Multiple Computers
Windows 10 & All Other Previous Windows Version Supported
Advance Search Options
Naming Option
Save & Export to PDF Document
Cost FREE $69
Frequently Asked Questions

Listed Commonly Asked Questions and Answers

How Can I View OST File without Exchange Server connectivity?

Free OST Viewer

The Working of Free SysTools OST Viewer Tool

  • Step 1: Download Outlook OST Viewer Freeware Tool
  • Step 2: Browse OST File with Advance Scan Option
  • Step 3: Preview OST File With Attachments
  • Step 4: Switch View Mode: Horizontal or Vertical.

Yes, the OST Viewer tool is compatible with Windows 10 machine and all its previous versions. Of-course you can Read OST file easily by the help of Ost file Opener.

No, there is no limitation on size of OST file or number of emails that the OST file explorer software can process and Open.

OST Viewer is an application absolutely free of cost with limited options. For advance options like: Export to PDF 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 open and view OST files by OST file browser.

Yes, the OST explorer software will allow you to view OST file contents which is corrupted no matter what type of corruption it is, you can view OST file easily. OST file opener tool has two modes of scanning: : Quick and Advance. Quick mode is used by default & if there is minor corruption and still if you are not getting whole data items of OST file then use Advance option for scanning. This mode scans every sector of the file deeply and is used for high corruption.

Yes, Free OST file Reader will View OST file in Outlook and even without Outlook, and Exchange Server environment. OST browser software is completely independent of Outlook or Exchange Server to Open and View OST file.

No, it is not possible to save the previewed data using the free viewer. But you can save all data into any desired file format using OST Converter.

Yes, the user can open and view OST file via the OST Reader software without facing data loss or security issues.

Yes, one can easily view the attachments associated with OST file via using the OST Reader Attachments View Mode.

What Customers Are Saying

SysTools OST Viewer Software Verified Reviews
4.8
1869 Ratings
5 Star
80%
4 Star
19%
3 Star
0%
2 Star
0%
1 Star
0%