OST to PST Converter Convert Outlook OST file to PST and other file formats

rating[User Rating 4.9]

OST to PST Converter is a robust and risk-free solution to convert Outlook OST to PST, EML, CSV, HTML, MHTML, EMLX, MBOX, and MSG file formats. The software also allows users to import OST file into Outlook 365, Gmail, HotMail, IMAP, and other email clients. On the other hand, the software provides an intuitive and easy-to-use interface for the OST to PST conversion process.

OST to PST Converter Box
  • Software permits users to perform the Bulk Migration of Outlook OST files into PST.
  • No file size limitation while converting large OST files.
  • Export OST files into PST, EML, CSV, HTML, MHTML, EMLX, MBOX, MSG file formats.
  • Migrate OST Items(Emails, Contacts, Calendars, Tasks) into Gmail, Office 365, HotMail, IMAP, Thunderbird, HostGator Email, Yahoo Mail, Zoho Mail, Opera Mail, Yandex Mail, iCloud, AOL, Amazon WorkMail, GoDaddy Email, etc.
  • Allow users to convert OST to PDF, TXT, Doc, Docx, DOCM, PNG, TIFF, GIF, JPG, JSON.
  • Offer feature to Select Folders and Preview detailed information such as Total Message Count, From, Subject, Date, Attachments.
  • Remove Duplicate Emails from chosen OST files based on To, From, Subject, Body, Bcc.
  • Option to make Source and Destination folder same of a new output folder.
  • Equipped with features to preserve the Original Folder Hierarchy.
  • With the help of OST Converter, he/she can also Migrate or Backup emails without attachments files.
  • Advance Mail Filter to backup emails on selective dates(Start Date & End Date).
  • Task Filter option to separate the tasks into a specific date range.
  • Feature to define the name of the resultant folder in which exported emails will store.
  • Contains choices to Assign Destination Path to the new folder.
  • Software is compatible with all the major versions of the Windows operating system.
  • OST File Converter Software supports all the available versions of MS Outlook.
  • Facilitates the demo version of the utility to evaluate the performance of the product.
  • The Free OST to PST Converter Tool can export 50 emails of OST into a PST file.

Why Do We Need to Convert OST to PST Online?

Check Out the Needs that Insist users to opt for the OST to PST Converter:

To Access OST files data on Different Devices

To Access OST files data on Different Devices

OST is the offline folder generated by the Microsoft Outlook and Exchange Server to store offline copies of data. On the other side, using PST files, users can store multiple items in them and, it is friendly for accessing, as you can save them anywhere and easily import them from one system to another.

To Prevent Exchange Server Data

To Prevent Exchange Server Data from Corruption

With the help of OST Migrator, one can convert OST files into PST. In scenarios such as the unexceptional crash of the Exchange server because of malicious software, unauthorized threats, virus attack, power failure, etc., converting OST to PST file format relieves.

To export Outlook OST files to Other Email Clients

To export Outlook OST files to Other Email Clients

Sometimes, users want to restore their Outlook Offline file data into other email clients for getting a better experience while working. So, using OST File Converter, users can transfer OST items into other email clients like Gmail, Office 365, Thunderbird, AOL, HostGator, Yandex Mail, etc.

Quick Software Overview

Here is given the OST to PST Converter Quick Software Overview users can follow this before using the software for ease of working:-

Salient Features Of OST to PST Converter

Quick and Safe Conversion

Quick and Safe Conversion

The OST file Converter is an excellent converter Tool. During the conversion, the software executed the process quickly, and it doesn't cause any alteration to the integrity of mailbox data, thereby protecting the integrity of the data. In addition to that, users can export multiple OST files at a single time.

Multiple Saving Options

Multiple Saving Options

Along with the PST format in which you can export OST mailbox data, users can also save their extracted mailbox data on other saving options. OST Exporter allows users to export in MSG, PST, PDF, CSV, HTML, MHTML, EMLX, TIFF, JSON, Doc, DOCM, Docx, PNG, GIF, EML, MBOX, EML, TXT, and other files/image/document formats.

Save OST Files Into Web/Cloud Email Clients

Import OST to Web/Cloud Email Clients

The OST to PST Converter Tool is a top-rated and efficient utility to save OST files (Email, Contacts, Calendars, Tasks) into different email clients such as Office 365, Gmail, Thunderbird, AOL, HostGator, Yandex Mail, Zoho Mail, etc. This tool provides deep scanning of the OST files and restores them into the selected email clients.

Remove Duplicate Emails

Remove Duplicate Emails

Using this OST to PST File Conversion, you can easily remove duplicate data from OST file items like contacts, tasks, calendars, events, notes, etc. When you opt for this reliable feature, the software will migrate unique emails from selected OST files. Moreover, if there are similar emails, it will export the original email and leave all the duplicates.

Interactive Preview Pane

Interactive Preview Pane

The OST Converter Tool by contains an interactive select and preview feature for offline OST files that allows users to check the folders to export and views the data in the preview pane before saving or migrating them. It successfully displays the entire mail components like email attachments, Total message count, From, Subject, Date, etc.

Exclusions of Unwanted Data

Exclusions of Unwanted Data

Sometimes, users don’t wish to include some data in their OST files. So by using the OST File Converter tool, users can exclude data that they did not want. Therefore, you have to select the Mail & Task Filter option and define the date range in which you want to imports OST files and let the process continue. This way, users can easily separate the unwanted files.

Save In Same Folder & Backup only Emails

Save In Same Folder & Backup only Emails

Best OST Converter Tool offers advanced features: Save In Same Folder and Backup Email Without Attachments. These options allow users to make the source and destination folder the same of the resultant folder and migrate or backup emails without their attachments files. The user can utilize the feature according to their requirements.

Creates a Log Report of the Conversion

Creates a Log Report of the Conversion

Exchange OST Converter Tool generates a log file that provides a detailed report of the migration process. This report contains detailed information like From, To, File Name, Status, Duration, Message Count, and Path. Furthermore, the utility also allows users to define the name for the output folder in which exported items will store.

Maintains the Data Integrity

Maintains the Data Integrity

OST to PST file converter software is an actively designed utility that can be easy to use for novice and non-technical users. The utility helps migrate all the data from OST to PST files. assured users that there are no modifications in the resultant file until the process completes, as the utility maintains the hierarchical structure of the folders.

Higher Compatibility

Higher Compatibility

The software is smartly designed with a highly advanced algorithm to provide users high compatibility with all major versions of Windows-based operating systems, such as Windows 10, 8, 7, Vista, XP, or any earlier version for wide usability. Furthermore, the software is also widely supported with MS Outlook 2019, 2016, and another version.

Comparison Between Demo Version & Full Version

Product Features Free Version Full Version
Export Bulk OST Files into PST 50 Emails Per Folder All
Save OST files into other formats like PDF, CSV, MBOX, EML, HTML, EMLX, MHTML, TIFF, JSON, GIF, PNG, TXT, etc. 50 Emails Per Folder All
Migrate OST Items into Office 365, Thunderbird, Gmail, AOL, Opera Mail, Yahoo, Yandex Mail, Zoho Mail, iCloud, HotMail, IMAP, HostGator Email, etc. 50 Emails Per Folder All
Remove Similar Emails
Save In Same(Source & Destination folder same)
Maintain Folder Hierarchy
Migrate or Backup Emails Without Attachments Files
Mail Filter & Task Filter
Custom Folder Name
Naming Convention
24*7 Tech Support & 100% Secure
Price Free $69

Money Back Gurantee

Feel Free to Purchase Products! We are committed to 100% customer satisfaction & security and thus we provide 30 days money-back guarantee. View Details.

Software Specification

Here is given the OST Converter Tool by specifications, users can follow before use of this software for ease working:-

Supported Versions
  • Platinum Class Processor
  • Minimum Memory: 500MB RAM (1GB Recommended)
  • Disk Space: Enough space to store the recovered output
Compatible Versions
  • Windows: 10/8.1/8/7, XP, Vista, 2008/2012 (32 & 64 bit)
  • Outlook: 2002, 2007, 2010, 2013, 2016, 2019.

The Demo version of the OST Migrator comes with only one limitation: it exports only 50 emails from the chosen OST files. Thus to overcome the limitation of the demo version, opt for the full licensed version of the utility.

Home License -Only for personal or single usage, not for corporate purposes.

Corporate License -Suggested for large Enterprises, Government organizations, and educational undertakings.

Technician License -Recommended for the technocrats or administrators who offer their services to other clients.

Frequently Asked Questions

Having any doubts while running the OST to PST Converter, check out these FAQ sections, and get your answer immediately.

Follow the mentioned steps correctly to export OST to PST file:

  1. Download and Run the OST Converter.
  2. Select the Single File option and click Browse to add OST files.
  3. Here, check the folders to export and preview detailed information.
  4. In another wizard, select PST from the drop-down menu.
  5. According to your requirements, opt with built-in features.
  6. Tap on the Convert button to begin the conversion of OST into PST.
  7. At last, you can also save conversion reports using Download Report.

Implement the below steps to import OST files into Office 365:

  1. Launch the Software as an Administrator.
  2. Click the Single File or Multiple Files/Folder options to browse OST files.
  3. After adding files into the utility, click on the Next button.
  4. Check the folders from the tree you want to import.
  5. Select Office 365 from the Saves/Backup/Migrate As.
  6. Opt with inbuilt features of the software, if necessary.
  7. Click on the Path To Save button to allocate the destination path.
  8. Now, click on the Convert button to begin the migrations.
  9. At last, you can also save the log report of conversion.

Follows the simple steps for OST to MBOX Converter Free:

  1. Run the OST Converter on your PC.
  2. Click on the browse button to select your OST file.
  3. Select folders and preview the attributes and attachments.
  4. On another wizard, pick MBOX format from the drop-down list.
  5. Check inbuilt features of the software if you want.
  6. After that, assign the destination path to output files.
  7. To begin the transfer of OST file items into MBOX, click Convert.
  8. Here, you can also save migration reports.

It does not matter which Outlook version you are using as this tool is widely compatible with all popular versions of Microsoft Outlook, including the latest Outlook 2019. The resultant PST file created by MailConmverterTools OST Converter is easily opened/accessed in any Outlook version, either higher or lower.

Yes, this software is 100 % safe and secure, but it is not free. Using the demo version of the software, you can only export 50 emails from an OST file. For bulk conversion, you need to purchase the full version of the software. But both versions of this software are secured.

There is no such file size limitation of OST files. Additionally, you get features to export multiple OST files into the selected saving option without any data loss.

No, there is no need for Microsoft Exchange Server installed in the system to use this software. It doesn't require the system where the OST files are created. You only need to have the OST files, and this software can perform the conversion.

Yes, you can export OST files to HTML file format. Not only HTML, but you can also convert items of OST files to EML, MSG, PST, PDF, CSV, MHTML, TXT, and JSON file formats.

Software Review

Software Suggest

Software Suggest titled this utility as the best and top-notch OST Converter software as it allows users to convert bulk no of OST files into various file formats and email clients due to its simple interface.


Online OST Converter Software by got a 5-star rating from Soft32 for its safe and quick OST file conversion with 100 % data accuracy. Along with that, the software provides the best services with 24*7 support to the users.

Client Review

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