MigrateXpress OST to PST Converter Tool

MigrateXpress OST to PST Converter software is an optimum tool to convert your Outlook Offline OST file to PST. This software has always amazed users with its quick conversion speed and very intuitive GUI. Not only does the OST to PST tool convert files to PST, but it also migrates OST files to various other email clients and file formats. It does the conversion with 100% accuracy, and no data is lost during the OST to PST conversion. It exports every single item of an OST file to online Outlook, like emails, contacts, tasks, calendars, etc.

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Important Note: Do you need a tailored solution? Contact us for customized OST file conversion and migration services!.

Benefits of OST File Converter Tool

  • Best Software to convert Offline Outlook OST file to PST with attachments.
  • Convert OST File emails, calendars, contacts, tasks, attachments, and notes to PST.
  • Batch convert Outlook PST files without file count and size restrictions.
  • Preview all the OST file data in a tree structure before doing the conversion.
  • Export OST files directly to Google Workspace, Office 365, Yahoo, and any IMAP account.
  • Migrates OST File emails to any Webmail, Thunderbird, Yandex Mail, Gmail, Zoho, AOL, iCloud, cPanel, and Hotmail account.
  • Saves OST File to MSG, EML, MBOX, PDF, and EMLX formats on a local drive.
  • Backup all emails from an OST file to DOC, JPG, TIFF, MHTML, GIF, DOCM, PNG, DOCX, and HTML.
  • Allows saving contacts and calendar data from PST to CSV, VCF, and ICS format.
  • Compatible with all types of OST files of any Outlook and Exchange versions.
  • High Supportability with all versions of Windows OS, including Windows 11.
  • OST to PST Free Tool converts 50 emails per folder for free to test the software.

Why Should You Use the OST to PST File Converter Tool ?

How does the OST to PST Converter Work?

The OST to PST Online Converter does a hassle-free conversion of OST Files. You can easily convert OST to PST online with this tool. As the interface of this software is very simple, you can convert it yourself without any external technical help. Here are some simple steps to convert OST file to PST quickly:-

  1. Download and Launch OST to PST Converter. 
  2. Then choose either the Select Folder or the Single File/Multiple files option. Then click Next.
  3. Click on the Select File button and choose the OST file that you want to convert to PST.
  4. View the added OST file and click on Next to continue.
  5. Now mark the Emails and Folders that you want to convert to PST and click on Next to continue.
  6. Then in the Saving Format, choose the PST option and use the various features of the software if needed.
  7. Define the Path where you want to save the converted OST file.
  8. Finally, click on the Convert button, and your OST file will be converted to PST.

Why Do We Need the OST to PST Converter Software?

When you work on Outlook in an offline mode then Outlook creates an Offline file and it is saved on your PC as OST. You can’t access that file and even can’t upload that file directly to your Outlook account manually. Therefore, in such a situation you will need the OST to PST Converter that quickly converts the OST file to PST and you can easily import that PST file to your Outlook account.

Prominent Features of OST to PST File Converter Tool

Convert Offline OST to PST

The OST to PST Converter Tool converts OST to PST online. It migrates all emails, contacts, tasks, calendars, notes, attachments, and other items to PST without any data loss. It preserves the data structure and keeps the data intact.

Migrate OST File to Other Email Clients

This software directly exports all OST file data to various web-based email clients. It imports OST files to Office 365, IMAP, Webmail, iCloud, Yahoo, Google Workspace, Gmail, Hotmail, Thunderbird, Yandex Mail, Zoho, AOL, and cPanel.

Saves OST Files to Multiple File Formats

OST to PST File Converter not only saves OST to PST but also converts them to other formats. Backup OST to MBOX, MSG, EMLX, and EML formats. Besides, one can save OST data to CSV, PDF, ICS, VCF, DOC, HTML, MHTML, GIF, DOCM, JPG, TIFF, PNG, and DOCX.

Bulk OST File Conversion

Using the OST to PST Tool, you don’t have to perform the repeated steps of converting OST files one by one. This software supports the bulk conversion of multiple OST files without a count limit. That too without hampering the original folder hierarchy and data integrity.

Converts Oversized OST Files

Usually, the OST files that are saved while working offline on Outlook are large and sometimes they are into GBs. This software adds and converts large and oversized OST files to PST and moves every single data from the file.

Splits Resultant PST File

If your OST file is too large, then it is not obvious that the converted PST will be large. The OST to PST Converter Tool has the option to split the resultant PST file based on size. You can create multiple small PST files in place of a large OST file.

Convert OST to PST with/without Attachments

The OST to PST File Converter moves the attachments as well to PST. But if in case you don’t want the attachments to be migrated to PST then there is a unique feature in this software that won’t migrate the attachments while you are converting the OST file to PST.

Maintains Folder Hierarchy

This software maintains the data structure and the folder hierarchy. Once you have converted the OST file to PST, all the emails, folders, contacts, and other items of the OST file will appear the same in the resultant PST file. The data integrity is maintained in converted files.

Self-Instructive GUI

The user interface of the OST to PST Tool is very simple to understand. Every instruction is mentioned straightaway to the user, and there is nothing hidden. You can do the OST to PST conversion on your own and there will be no need for any external technical help or guidance to use this tool.

OST to PST Free Tool

There is a demo version of this software available and it is free. You can evaluate the performance of the software and even the conversion speed using the demo version. It will be easy for you to understand the GUI of the software once you use the free OST to PST Converter. However, the demo version will only convert 50 items per folder of the OST file.

Software Specifications

Key --

Version:24.03
Size:209 MB
Release Date:May 11, 2025
Language Supported:English

System Requirements --

Edition: Personal, Business, and Enterprise
Processor: Pentium Class Processor
RAM: 8 GB (16 GB Recommended)
Hard Drive: 512 GB
Supported Windows: 11, 10/8.1/8/7, 2008/2012 (32 & 64 Bit), and other Windows versions

Terms and Conditions to Run the Software

  • Please disable your antivirus temporarily
  • Allow access from Antivirus settings for smooth software working.
  • Please avoid using the source file from any shared drives or networks.
  • Turn off the Windows Defender

Frequently Asked Question

There are some simple steps that you can follow to convert OST file to PST:-

  1. Install and Launch the Convert OST to PST Tool.
  2. Add the OST file that you want to convert.
  3. You can even add multiple and large OST files for conversion.
  4. Then, preview all the emails and folders of the OST file.
  5. You can mark the emails of your own choice that have to be converted.
  6. Then, define the location of your choice where the converted PST files will be saved.
  7. Finally, click on the Convert button, and all your OST files will be converted to PST.

No. This software converts OST files to various other file formats. There are many email clients to which you can directly export all the OST files without any hassle.

Yes, the OST to PST Tool doesn’t need Outlook to be installed on your computer. You can easily do the conversion of OST to PST without Outlook.

Here is an easy process to import OST to Office 365:-

  1. Launch the OST to PST Converter Software.
  2. Add the OST files to be imported.
  3. Preview all the emails and mark those that you want to import.
  4. Then, in the Saving option, choose Office 365.
  5. Authenticate the login of your O365 account with your ID and Password.
  6. Once you are successfully logged in, the OST file will be imported to your Office 365 account.

No, there is no need for the Microsoft Exchange Server to run the OST to PST Converter Tool.

Yes, it is safe to use this tool because it has ISO authentication and DMCA trust.

Comparison of OST to PST File Converter Software Full Version and Free Version
Software Feature Free Version Full Version
Adds large OST Files and Multiple OST Files
Have the Option to Convert OST without Attachments
No Need for MS Outlook installation to use the Software
Availability of Date Range Filter option
Preview all OST File Emails before Conversion
Option to Split the Resultant PST File
Converts OST File to PST, MBOX, EML, MSG, and EMLX. 50 Items per folder
Move Offline Outlook OST File to PDF, CSV, ICS, VCF, DOCX, DOCM, and DOC. 50 Items per folder
Exports OST files to iCloud, Gmail, Zoho, Yahoo, Office 365, AOL, IMAP, cPanel, Hotmail, Thunderbird, and Yandex Mail. 50 Items per folder
Round-the-clock Technical Guidance and Support
30 Days Money Back Guarantee Download Buy Now

Client’s Testimonials

See what our Precious Clients have to Say About us

The OST to PST Converter is a prominent and effective tool because I have converted one of my important OST files using this software. Firstly, I converted it to PST then I imported that file to my Outlook Account. Thanks to the development team for bringing such a utility to the market.

Oliver Roland Canada

It was really a tedious task for me to convert OST to PST and then import it to my Office 365 account. But this Convert OST to PST tool has imported my OST file directly to my Office 365 account. I am very grateful to ABC for helping me with this software.

Antonio Charles USA

I had 8 OST files and they were altogether 70 GB in size. I used the ABC OST to PST Converter Software to import OST to Hotmail and I was amazed by its performance. In a few hours, all the emails of my OST files were imported to my Hotmail account.

Micheal Joseph Russia

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