OST to PST Converter Tool - FREEVIEWER

Tool to Export OST to PST, EML, MSG, HTML and Office 365

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  • Preview Data Items of OST Files: Emails, Contacts, Calendars, Tasks, Journals, etc
  • View the Encrypted(S/MIME & OPENPGP) OST Emails & Export into Required Format
  • Provides Facility to Recover and Extract Data of OST Files
  • Convert Outlook .bak File to PST of any Outlook Versions
  • Ability to Import OST to Office 365 (Exchange Online)
    Office 365 refers to the subscription plans that includes access to Office applications and other productivity services. Moreover, user can easily export OST to Office 365 by this software.
  • Supports the Conversion from Hotmail & Office 365 OST File
  • Facility to Restore Deleted Data From OST Mailbox
  • Provides Date Filter to Export OST File by Specific Date
  • Tool supports All Windows and Outlook versions
    OST to Outlook PST Converter supports Windows 10, 8, 7 and all below versions. It also works with all Outlook versions i.e. 2016/2010/2007/2003 and below.

Key Features of OST to Outlook PST Converter Tool

convert ost to pst

Export OST to PST

This software convert OST to PST format without any difficulty. It easily converts data items of OST file such as emails, contacts, calendars, journals, tasks, etc to Outlook PST. Moreover, OST File to PST converter does not have any file size limitation, users can convert OST file of any size.

Save-scanned report

Save Scanned OST File

As the user adds OST file, the tool starts the scanning process as the procedure completes OST to Outlook PST Converter enables the users to save scanned OST file on local machine. This feature is useful when OST file needs to open in future. Users can directly load the scanned OST file and save time.

export selective files

Export Selective Offline OST Files

At times, users don’t want to export complete data. Therefore, OST to Outlook PST converter provides an option to export selected files or folders from OST file. Users can check/uncheck the particular items they want to export. It provides category option within Advanced Setting that allows you to select from various categories: Mails, Tasks, Calendars, Notes, etc.

Date Filter option

Provides Date Filter Option

OST File to PST Migrator provides an option to convert data from specific dates only. For, this user just have to use the date-based filter option and specify the dates in ‘To’ and ‘From’ field. This tool export OST files that come under the specified date range to PST. There is no need to export all data users can easily transfer selective data items.

import ost to office 365

Migrate OST to Office 365

This software provides the facility to import OST to Office 365. With this option, users can easily migrate all the data items such as emails, calendars, contacts and attachments to Office 365. Moreover, users can also export selective emails to Exchange Online with this tool.

generate report

Generates Summary Report

After, the successful completion of migration of OST files to PST, this tool generates a complete export report. This report contains complete details of migration process with exported mailbox and heir destination path. Moreover, users can also save the report in CSV file format for future reference.

Preserves metadata

Preserves Meta Data of OST File

With the help of this tool, users can easily convert OST emails along with attachments to Outlook PST format. In addition to this software keeps meta data of all items intact as the original. It includes to, cc, subject, size, etc. Moreover, tool preserves the original formatting of OST items even after the conversion.

Folder structure

Maintains Folder Hierarchy

This feature within the tool enables the users to maintain folder hierarchy of the files in the same way as in the original file after the conversion process. It provides an option “Maintain Folder Hierarchy” so users can select either maintain folder structure or not before the conversion of OST emails to PST.

OST TO Outlook PST Converter Overview

Software Specifications and Requirement
Convert OST into multiple file formats
A force Multiplier software
Further comprehensive reading of the Tool
A Fast and reliable Tool
OST Converter Screenshots
OST File to PST Exporter
Step 1: Launch the OST Converter tool & add OST File
Explore Messages
Step 2: Preview All OST emails Items & Attachments
View in Vertical Mode
Step 3: Choose Export option - PST, EML, MSG & Office 365
Select Export Option
Step 4: Select destination path to save Converted File
Watch Video of OST to PST Converter
OST Converter Specifications and Prerequisite
convert ost to pst

Size: 26.4 MB Version: 7.0


Trial Limitations

Demo version of software will generate Preview & Export only 25 Items per Folder from OST file to Outlook PST/ Office 365.

Note: To Export OST Contacts, Calendars, Tasks, Notes, Journals into PST format, Check 'Use Outlook (Outlook must be installed)' option on Export Option Window.


Installation Uninstallation

System Specifications

  • Processor: Intel® Pentium 1 GHz processor (x86, x64) or Equivalent
  • Memory: 2 GB of RAM
  • Hard Disk Space: 100 MB of free hard disk space

Application Pre-Requisites

  • For Windows 10/8.1/8/7 or Vista users, launch the tool as "Run as Administrator"
  • Microsoft .NET framework 4.5
  • To decrypt SMIME encrypted Emails, Certificates and respective passwords are required
  • To decrypt OPENPGP encrypted Emails, Private Keys and respective passwords are required

Supported Editions

  • Microsoft Windows – 2000, 2003, 2008, XP, Vista, or Windows 7/8/8.1/10, 2008/2012 (32-bit & 64-bit)
  • MS Outlook – Outlook 2000, 2003, 2007, 2010, 2013, 2016 (32/64 bit)
  • Support OST File Repair of 32-bit & 64-bit.
Common FAQs

How can I migrate OST file to PST?

Is it possible to convert OST file to PST format?

If mailbox containing more than 20 GB of data then how much time will they consume during conversion?

Is this freeware OST to PST converter software completely free?

How can I convert Outlook .bak to PST file format?

Can I use the software on Windows Vista machine?

I have ANSI OST file, how can I export OST to PST in Outlook 2007?

What are the platforms supportable by the software?

What Clients Say

Benefits Full Version Free Version
Add .ost of any file size
Quick and Deep Scan capability
Ability to view all emails with their attachments
Support Outlook 2016/2013/2010/2007/2003
Support Exchange Server 2013/2010/2007/2003 and 2000
PST Splitting
Convert OST File to PST All Items Export 25 items/Folders
Export Outlook .bak to PST All Items Export 25 items/Folders
Export OST to Office 365 All Items Export 25 items/Folders
Cost $49 FREE

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