File Conversion

How to Convert PST to MBOX Format?

There could be a situation when you need to convert PST file to MBOX format. If you are looking for a solution to export PST to MBOX then stop yopur searching. Here, you will get the perfect solution to convert PST to MBOX. So, keep reading this blog till the end to know more and complete PST to MBOX conversion without any hassle.

PST and MBOX both are different file formats. MS Outlook use PST to store its mailbox data such as emails, conatcts, calendars, tasks, journal, notes, etc. While MBOX stores emails and it is supported by various email platforms like Thunderbird, Google Takeout, Apple Mail, Opera Mail, SeaMonkey, and many more. There are multiple users who want to convert PST to MBOX format. We consider some user Queries related to PST to MBOX conversion-

How do I Convert Outlook PST to MBOX format?
How to convert PST files to MBOX format?
Can I convert Outlook PST to MBOX free?
How to convert PST file into MBOX?
Which is the best free PST to MBOX Converter?
How to Export PST to MBOX?
Is it possible to convert Outlook .pst to .mbox format?
Ho do I convert PST to MBOX for free?
How to convert PST to MBOX Windows?

So, today in this post we will discuss effective ways to convert PST files to MBOX format. Before proceeding on techniques we consider the reasons behind this conversion process.

Reasons to Convert PST to MBOX Format

Converting PST files to MBOX format can be necessary for various reasons, depending on your email management needs. Some common reasons are given here-

  • If you want to switch from MS Outlook to MBOX supported email platforms. Then, you need to convert PST file into MBOX format to access Outlook data.
  • PST is supported by MS Outlook while MBOX is widely supported by various email clients. To convert Outlook PST to MBOX format, you can access and open Outlook data on different email platforms.
  • MS Outlook is a paid application while Thunderbird is a free email client. Users need to purchase the licensed version of Outlook to use it long term. By converting Outlook .pst to .mbox format you can access your Outlook data in Thunderbird without paying any cost.

Ways to Export PST to MBOX Format

There are two ways to export PST to MBOX format. One is a free manual solution and the other one is an automated solution. Both methods are explained in detail in the upcoming section. Let’s discuss them one by one.

Method 1. How to Convert Outlook PST to MBOX Free?

You can manually export emails from PST to MBOX using Outlook and Thunderbird email clients. Before starting the method, you must check that Outlook is the default email client on your system for email. You can do it by going to search bar and type Default App Setting in search bar and set Outlook as default app for email.

Follow the below-given steps to convert PST to MBOX for free-

  1. Launch Outlook application on your system.
  2. If PST is not already present in Outlook then import PST file into Outlook using import-export option.convert pst to mbox
  3. Now, close Outlook and open Thunderbird application on your system.
  4. Click on Gear Icon and select Tools.export pst to mbox
  5. Then, select Import option from Tools.convert outlook pst to mbox
  6. After that, select Mail option from Import window and press Next button.
  7. Choose Import from Outlook from given options and hit on Continue.export emails from pst to mbox
  8. The importing process will start. Wait some time. Once it completes then close Import window and restart Thunderbird application.
  9. Now, Outlook PST emails are imported in Thunderbird.
  10. To export these PST emails into MBOX format, install ImportExportTools NG in Thunderbird.
  11. After installing ImportExportTools, right click on Outlook Import Folder and select ImportExportTools NG and then Export Folder with Subfolder. pst to mbox converter
  12. Thereafter, select the location to ssave resultant file and then press Select Folder.

Now, Outlook PST emails are saved in MBOX format. Hence, you can manully convert PST file to MBOX format.

Limitations of this Method

  • It is so lengthy and time consuming process.
  • Outlook and Thunderbird both email clients are installed on your system.
  • In case, Thunderbird import export tools not working then you cannot save Outlook PST file into MBOX format.
  • Users must have the in-depth technical knowledge to perform the conversion process.

Method 2. How to Convert PST File into MBOX Instantly?

Download and run Xtraxtor PST Converter on your Windows PC and export PST to MBOX in just a few seconds. The software is a completely independent tool which means you do not need to install any external applications to complete PST to MBOX conversion process. With this utility, you can convert PST files to MBOX format in batch without any data loss. The simple interface of this application helps users to easily convert Outlook .pst to .mbox format without any technical knowledge.

Additionally, the tool has various saving options that enable you to convert PST to PDF, EML, CSV, HTML, and many other formats. The software is able to export emails from PST to MBOX in their original format. You can download its demo version and convert PST to MBOX for free easily.


Follow the Given Steps to Convert PST to MBOX Format

  1. Launch this software on your Windows PC.
  2. Now, Click on Open >> Email Data Files >> Outlook PST/OST Files >> Choose Files from Folder.convert PST to MBOX
  3. Here, you can view emails from PST file before converting them to MBOX.export PST to MBOX
  4. After that, Go to Export and select MBOX from given options.convert outlook PST to MBOX
  5. Select folders that you want to export from PST to MBOX.convert PST file into MBOX
  6. Apply filters to convert selected email.
  7. Browse target location and then press Save button to start PST to MBOX conversion process.export emails PST to MBOX

Done! Hence, you can easily export PST to MBOX format in a few simple clicks.

Advantage of Xtraxtor PST to MBOX Converter

  • The software directly convert Outlook PST to MBOX format without installing any other applications.
  • With this application, you can convert multiple PST files to MBOX at once.
  • It is safe and secure solution that does not loss any single bit of data during the process.
  • It maintains the folder hierachy during the process and export emails in their original format.
  • Using this tool, you can also convert PST to EML, PDF, TXT, HTML, CSV, vCard, ICS, etc.
  • The tool provides various advanced filters to convert any particular email according to your need.
  • It is able to export emails with attachments and all metadata properties.
  • It can directly import PST file to Gmail, Office 365, Yahoo Mail, Zoho Mail, and many other email accounts.
  • A free version is avilble to check its work efficiency and accuracy before purchasing its licensed version.
  • It supports all latest and old versions of Windows operating system.
  • A dedicated support team is availble 24*7 to solve users doubts.


In this post, we have discussed how to convert PST to MBOX format. Here, we have mentioned free and paid solutions for PST to MBOX conversion. You can convert Outlook PST to MBOX free but there are some limitations of this method. However, expert recommend using the automated solution to export PST to MBOX without any hassle. Download this free PST to MBOX Converter and complete your task in a seamless manner.

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