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How it Works

Free OST Viewer

OST Viewer Tool to open OST in Outlook without using MS Outlook. The entire viewing of OST file is provided by OST Viewer freeware on Windows OS. 100% safe and complete preview is generated by the application.

Instant opening of OST file
Open OST file in Outlook without installing Outlook
No Exchange Server connectivity required
Easily view OST data – emails, contacts, calendars, notes, etc.
Add any large OST file instantly on software panel
Easy to understandable interface for all
Get free installation on all Windows platforms
100% safe viewing of orphaned & inaccessible OST files
Open specific items of OST file
View attachments of OST file
Compatible on Outlook 2019, 2016, 2013, 2010, 2007, etc.
No harm to the actual folder hierarchy of OST subfolders
Keep email formatting and components intact
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Installation and Uninstallation Guide

Items to be viewed using OST Reader Tool

Email messages

With OST Opener Tool, one can easily view complete email messages. Along with this, email components like to, cc, bcc, from, date, time, etc. and email formatting like hyperlinks, font styles, and inline images are viewed using this application.

Attachments
With every email message, the attachments are also displayed. All type of attachments having any size is completed readable by users using free OST Opener Tool.
Folders
With this OST Reader Tool, you can easily view complete OST file or selected folders like Inbox, Outbox, Sent Items, Deleted Items, etc. without having Outlook in your system. The software solely open OST file of Outlook 2019, 2016, 2013, & others.
Calendar data

The software open OST file calendars with complete details –

  • Path
  • Subject
  • Location
  • Start time
  • End time
Calendar attachments
The application preview entire calendar attachments such as business cards, files, signatures, etc.
Calendar Types

Various calendar types like meetings, events, tasks, appointments, etc. are easily opened by the software.

Reminders

Appointment reminders are also opened by the software in an easy manner.

Contacts
The software easily provides you the complete contacts viewing without any misplacement. The entire contact details such as birth date, nick name, etc. without any issues.
Address

The application easily view the complete contact address such as home, business, and other addresses of OST file.

Phone number

The tool provides preview of all phone numbers such as home, business, and primary contact numbers contained in OST file.

  • Primary number
  • Business number
  • Home number
Tasks

One can view the complete details associated with OST files tasks such as –

  • Subject
  • Start date
  • Due date
  • Priority
  • Reminder
  • Recurrence
  • Status
Tasks attachments
Including task attachments, folders, files, etc. the software easily open OST task attachments.
Notes

The complete notes details are viewed by OST Opener Tool –

  • Subject
  • Categories

Support all the MS Outlook Versions

Software features in details

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Open multiple OST files

With OST Viewer, one can open OST file easily. One by one, multiple OST files can be opened by the software without any issues. The software helps users to read OST file completely including emails, contacts, notes, calendars, tasks, etc.

With just 3 simple steps, OST file can be completely opened by the software. Along with emails, all the email components like to, cc, bcc, from, sent, received date, etc. are properly viewed by users having this application.

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View email attachments

Users can easily view attachments with OST emails from this OST Opener Tool. The users can view different types of attachments such as images, documents, files, etc. using this software.

Moreover, the tool permit users to play the audio/video attached to OST file. One can easily handle this application with the simplified interface of the software and capable of reading OST file without Exchange Server connectivity.

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OST Contacts viewing

The Outlook OST Reader Tool provides a preview of all contacts associated with OST file. Users can easily view personal details, contact details, address details, email addresses, etc. associated with contacts.

Users can easily open OST contacts including from, company, file as, business number, phone number, etc. With this application, you can easily open contacts folders and view it completely without any issues.

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OST Calendars opening

OST Reader Tool helps users to open calendars related to OST file. One can view complete calendar details such as path, location, start time, end time, recurrence, etc.

Along with this, tasks, reminders, notes, etc. all are simply viewed from OST file with this freeware. The software is completely free for you and you don’t have to pay anything for this application.

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No Outlook installation

Installation of Outlook is not necessary to use this application. Without installation of Outlook or any additional tool, one can easily open OST files. No matter which platform created OST file you have, the tool easily considers all OST files.

Moreover, the software easily open inaccessible and orphaned OST files without any issues. One can get view of complete items of OST file without manipulating them.

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Advanced scanning mode

The application offers quick scanning of OST file once the file is added on the software panel. After the scanning of OST file is finished, you can view the entire database of OST like emails, contacts, notes, journals, and many more.

The tool does not change the original files and does not affect the quality of files. Any large OST file can be easily viewed by the application without any issues.

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Open every large OST file

The size of OST file does not matter with this application. You can easily view OST file of any heavy size and view it completely without any difficulty. You can analyze the complete OST file in an effortless manner.

The entire OST data is viewed in a structured manner. You can choose the folders from the left side of the software and view every item one by one with entire details.

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Installable on all Windows OS

The software supports all the versions of Windows including the latest and older versions. All versions of Windows are supported by the program without affecting the original database.

Windows editions including Windows 10, 8.1, 8, 7, Vista, XP, and others are supported by the program. Both 64bit and 32bit versions of Windows are supported by the program.

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Frequently Asked Questions

Only a few steps are involved with OST Viewer Tool to open OST files. Follow the mentioned-below steps –

  1. Download and Install Free OST Viewer.
  2. Use the Browse button and add OST file.
  3. You will find the OST file displayed on the software panel.
View ost files

Yes, the application easily open orphaned OST file without any issues.

No, we are sorry to say this. The software can be installed only on Windows OS.

There is no such limit specified by the application. You can easily open any large OST file with this application.

No, the software is totally free. You are not required to pay anything for it.

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