Outlook PST Converter To Convert PST File to MBOX, EML, and 15+ File Formats

Regain Outlook PST Converter Tool is the best and most efficient solution to convert single as well as multiple Outlook PST files into 10+ file formats. The software allows users to import Outlook Data File (.pst) into Gmail, Yahoo Mail, Office 365, MS Exchange Server, and other email clients. It facilitates features to convert PST files EML, EMLX, MSG, MBOX, HTML, VCF, ICS, TGZ, CSV and PDF.

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  • Converts PST file to a New PST, EML, EMLX, MSG, MBOX, HTML, VCF, ICS, TGZ, CSV and PDF.
  • Exports PST Files Directly to MS Exchange Server, Office 365, Gmail, Yahoo Mail, Outlook.com, GoDaddy, and Amazon Workmail.
  • Saves Outlook Contacts to vCard VCF Files.
  • Previews all PST File Emails before conversion.
  • Supports all types of PST Files created on Outlook 2019 / 2016 / 2013 / 2010 / 2007 / 2003 / 2002 / 2000 / 98 and 97.
  • Imports PST to Office 365 without missing even a single email.
  • Bulk PST File Conversion in a single go.
  • Splits PST file if it is too large when you convert it to another PST.
  • Free PST Converter Software for Performance Evaluation.
  • Round the Clock Customer Support with our Qualified Tech Team.

Free Demo: Download trial version and convert 30 items per folder free.

03 Quick Steps to Convert PST File to Any File Format


Convert PST to 18 File Formats and Email Clients

See what one software can do and convert your PST File to various file formats and email clients.

PST File

Regain PST File Converter

All File Formats & Email Clients


Email Clients- Gmail, Yahoo Mail, Outlook.com, GoDaddy, Amazon Workmail, Office 365 and MS Exchange Server

Why Do We Need to Convert a PST File

Realtime scenarios when the Regain Outlook Converter has always acted as a smart solution.

Importing PST to Office 365

With advanced features and time-to-time updates, Office 365 has overtaken MS Outlook. Therefore, in such a situation you will need the Outlook PST File Converter to move all the PST files to Office 365 account without involving much effort.

While Changing the Preferred Email Client

It is a common fact that many organisations use MS Outlook for email communication. But when they change their preferred client to Gmail, Yahoo, or any other email client then it becomes a tedious task to move those emails. So you will need the Regain Outlook Converter to make this task easier.

Creating Outlook Emails Backup

In order to create some space in the Outlook account, many organizations prefer backing up Outlook emails. So, the PST Converter gives you more than 10 options to save the PST files into various file formats and have the backup on your local machine or hard disk.

Technical Specification

Check out the Specifications of Outlook PST File Converter before installing.

Outlook PST Converter box

System Requirements

  • Processor - Pentium Class
  • Memory - Minimum 128MB RAM (512MB recommended)
  • Hard Disk - 50 MB for Software installation
  • Disk Space - Enough space to store recovered output

Version Supports

  • Windows OS Platforms - Windows 11/10/8.1/8/7/Vista
  • Windows Server - 2012/ 2008 R2/ 2008/ 2003 R2/ 2003
  • MS Outlook - 2021/2019/ 2016/ 2013/ 2010/ 2007 and 2003

Installation / Uninstallation

Installation / Uninstallation EULA

Detailed Features of Regain Outlook PST Converter Tool

Explore all the features of the Microsoft Outlook PST File Conversion Tool in detail.

PST File Conversion to 10+ Formats

The Regain PST Converter software converts PST files to a New PST and 10 other file formats like EML, EMLX, MSG, MBOX, HTML, VCF, ICS, TGZ, CSV and PDF without losing any email during the conversion.

Exports PST to 5+ Email Clients

This software even exports all the emails with attachments from the PST files to Gmail, MS Exchange Server, Office 365, Yahoo Mail, Outlook.com, GoDaddy, and Amazon Workmail.

Previews PST File Emails

Before you do the final Outlook File conversion, this software shows you a preview of all emails, folders, and subfolders. You can mark your preferred email that has to be converted and do a hassle-free PST conversion.

Supports ANSI and Unicode PST File

This software is compatible with both types of PST files whether it is an ANSI PST or a Unicode PST. You will just have to upload the PST file, mark all the emails and convert the PST File to any file format.

Converts All Types of Outlook PST

You can use the PST Converter Software to convert all types of PST files irrespective of the Outlook version it is created on. This software supports PST Files of MS Outlook 2019 / 2016 / 2013 / 2010 / 2007 / 2003 / 2002 / 2000 / 98 and 97.

Bulk PST File Conversion

The Outlook PST File Converter has resolved the problem of converting PST files one by one because you can add multiple PST files at once. Then you can convert all of them together to any file format available in the software.

Converts Large Outlook PST Files

This software even converts the large PST file without losing any data from the file. All the emails and other data remain intact and easily move to other file formats including all attachments.

Simple GUI

The interface of this software is also very simple and it gives you the best user experience. You won’t need any technical help to run the software because the easy tips in the software will make you do the PST file conversion yourself.

PST Converter Free Version

The free version of this software is also available which allows you to convert 30 items per folder for free. This version of the software is only used for performance evaluation and understanding the Software interface.

High Windows Compatibility

This software is highly compatible with all the versions of Windows. You can use this software on Windows 11 and all the previous versions without any hindrance.

Cases Related to PST Converter

Feel free to share your query and we are always there for you. Here’s one of the best cases we have resolved related to the PST File Conversion.

Case have a PST file of 40 GB and it has lots of important emails in it. I tried to convert the file to MBOX using some manual techniques but it is taking a lot of time. Even I am scared that my file might get corrupted if I try to convert it manually. Please suggest a way to convert PST to MBOX without losing any data.

Solution This was a big challenge for us to deal with the PST file conversion of a 40 GB file. We suggested to our client the Outlook PST File Converter and guided him remotely to convert the PST file to MBOX. it became so easy for the client to convert a PST file of 40 GB that he then converted some small PST files as well.


If you don’t believe us then you can see what our clients have to say about us and what top software companies have said.

Software Reviews


CNET software has a high accuracy rate of conversion because not a single email is missed while converting a PST file to any other file format. View Details →


Software Suggest Software Suggest gives 4.5 stars to the Outlook Converter Tool for its quick conversion speed and intuitive GUI for novice and non-technical users. View Details →

Client Reviews

Compare the Free and Paid Licenses of PST Converter

Compare the features of the Free PST File Conversion Tool and the Paid Version

Software Features Trial Version Full Version
Instantly Convert Outlook PST Data file
Convert PST file into New PST, EML, EMLX, MSG, MBOX, HTML, VCF, ICS, PDF, CSV, TGZ Format
Convert Password-Protected PST File
Export PST to Gmail, Yahoo Mail, Outlook.com, GoDaddy, Amazon Workmail, Office 365 and MS Exchange Server
Support all latest MS Outlook versions
Free Technical Support
Saving Capabilities Save 30 items/Folder Unlimited
Instantly Convert Outlook PST Data file  Download  Buy Now


Clear all your doubts with the questions asked by our clients.

Execute the PST file conversion process seamlessly by adhering to these steps:

  • Download and Install Regain Outlook PST Converter Software on your Windows machine
  • Select the "Add File" button to incorporate PST files or folders for the conversion process.
  • Utilize the intelligent "Preview" feature to review the loaded PST files.
  • Upon previewing, select the desired saving format from the available options.
  • At the end, initiate the conversion process by clicking the 'Convert' button."

To ascertain the size of Outlook PST file:

  • Launch MS Outlook, Access File tab.
  • Opt for folders ending with Outlook.pst.
  • Select the "Open" folder choice.
  • View folder content with the PST file, right-click, and pick "Properties" to observe PST data size.

After deleting emails in MS Outlook, retaining them in Outlook.pst is possible. To compress PST size:

  • Access "Data File Management" via the Outlook menu.
  • Pick desired PST file, click "Settings," then "Compact Now."

Yes, utilizing this conversion utility enables the recovery of permanently deleted PST files, which can subsequently be transferred to various formats.

This tool entails a single, lifetime purchase without recurring renewals. Users enjoy perpetual benefits and receive complimentary, timely updates.

The demo version's functions and features mirror the paid version, offering users reassurance. Preview all files and save 30 emails per folder for free. The paid version provides unlimited savings.

Certainly, you can export multiple PST files simultaneously. This tool allows manual file selection with a preview feature, aiding in excluding unnecessary files.

The preview displays precise item content and associated metadata, including sender, recipients, subject, and more.

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