Free PST to MBOX Converter Tool



Outlook PST to MBOX Converter

Perfect Solution to Export PST to MBOX Thunderbird, Eudora, Entourage

(Average Rating 4.8 Based on 851 Reviews)
  • Easily Batch Convert PST files to MBOX Format
  • Create a Single MBOX File for Each Outlook PST
  • Migrate Outlook data File of Any Size to .mbox File
  • Outlook Installation is Not Necessary for Conversion
  • Advance Option to Recover Permanently Deleted Items and save into MBOX
  • No File Size Limitation for the Outlook File Upload
  • Conversion of Both ANSI and UNICODE Type PST
  • Import Resultant MBOX into Various Email Clients

FreeViewer Awards & Reviews

2021 Best Software to Convert PST to MBOX

FreeViewer Outlook to MBOX Converter Tool

3-Step Approach to Export PST to MBOX Format

Main Features of Outlook to MBOX Converter Tool

PST File to MBOX Conversion Software Features to Export Outlook Data File

Export PST to MBOX

Batch Convert PST to MBOX

Effortlessly transfer all mailbox data from Outlook data file to MBOX file format. Data items like Inbox, Drafts, Sent Items, etc. can now be saved in .mbox file format. This is perfect way to import PST to Thunderbird profile. This way all the emails from Outlook will be exported to Thunderbird. One can easily convert PST file to MBOX in Windows 10, 8.1, 8, 7 versions.

Folder Hierarchy

Folder Hierarchy is Maintained

Use Outlook to MBOX Converter to easily move data between email clients. All the messages are saved in exactly the same folder as they were in the original .pst file. There is no data loss or changes made to emails during the transfer process. A single .mbox file is created for each .pst file. Just upload the file and perform the conversion process with an ease.

Easy to Use

Easy-to-Use Software Interface

It is a user-friendly software that can be used by both home and business user. Even a non-technical person can use the software panel with ease. There are easy options and simple buttons that enable users to try the application at least once. Convert PST to MBOX with the click of a single button.

Folder Item Count

View Item Count of Each Folder

Outlook PST to MBOX Converter tool has a feature to view a number of emails per folder. The item count of each mailbox folder within the PST file is displayed on the software panel. This option emerges as soon as the PST file is uploaded into the tool & Export button is clicked from the navigation bar.

Import Resultant MBOX

Import MBOX to Different Apps

Download and try Outlook to MBOX Converter tool to import Outlook Mail to Thunderbird profile. This file can then be imported to any of the different desktop based email clients available in the market. It can be used with, Eudora, Apple Mail, Entourage, and much more. There will be no compatibility issues and a new folder for the Outlook files will be created within the new email application.

Data Integrity

Data Integrity is also Retained

All email properties like header and body are in the exact same manner as they were in original mailbox. Email body is in perfect formatting as in the original message. The email header contains important information like to, cc, from, bcc, sent date, received date, server information, IP address etc. These all are kept intact throughout the process with Outlook PST Export Tool for Windows & Mac.

Outlook to MBOX Conversion Software Specifications
Free Download the Tool to Export PST to MBOX File Format

Software Download

Size: 36.3 MB

Version: 6.0

Trial Limitations

Demo Version of PST to MBOX Converter Software Allows User to Export First 25 Emails from PST File to MBOX Format.

System Specifications

Hard Disk Space
500 MB of free hard disk space required

4 GB is Recommended

2.4 GHz is Recommended

Application Pre-Requisites

If you are using Windows 10 / 8.1 / 8 / 7, then please launch the tool as "Run as Administrator".
Microsoft .NET framework 4.5 and Above Version.

Supported Versions

Microsoft Windows
Windows 10 32bit/64 bit, Windows 8 32bit/64 bit, Windows 7 32bit/64 bit, Windows Server 2012, Windows Server 2008 and All Below Versions




Electronic Delivery


PST to MBOX Converter Full Version Order Now
Get an Overview of Outlook to MBOX Conversion Software Features – Free vs Full
Features Free Version Full Version
Add Microsoft Outlook PST Files
Option to Maintain Folder Hierarchy
Feature to Show Item Count Details
Supports ANSI or UNICODE Type Outlook PST
Windows 10 & All Other Previous Version Supported
Export PST to MBOX Format Export 15 Emails All Emails
Cost FREE (25 Emails) $49

Frequently Asked Questions

Listed Commonly Asked Questions and Answers

How can I export PST to MBOX format without Outlook?

Convert PST to MBOX Format

Steps to convert PST file to MBOX are:

  • Step 1: Install & Launch Outlook to MBOX Converter.
  • Step 2: Next, Add Outlook PST File.
  • Step 3: Choose MBOX as file saving option.
  • Step 4: Click on Export Button to convert PST to MBOX format.
Yes, the Outlook to MBOX conversion allows you to transfer multiple PST files at once.
The PST to MBOX Converter tool provides support to convert emails in MBOX file format. It has separate option to export contacts in VCF or CSV and calendar in ICS format.
Yes, the tool gives permission to export protected .pst files without any hassle.
Yes, The PST to MBOX conversion software has the ability to recover damaged or permanently deleted items and save them in MBOX file format.
No, email clients that support .mbox file format are not needed for the conversion. Also, Outlook is not required to be installed on the local machine.

The PST to MBOX Converter software can migrate data from any of the Outlook version including 2016. It is compatible with Microsoft Outlook for 32-bit as well. A POP3 account must be configured on the machine using this tool.

  • Locate the .pst file from the Outlook Mail folder or search using a folder explorer.
  • Next, use Outlook to MBOX Converter wizard to export PST to MBOX file format.
  • After that, use the Thunderbird Importer to Import MBOX File into Thunderbird account.
  • Now, view all the contents of the .mbox file in the Thunderbird. They will be in the same exact manner as they were in original Outlook mailbox.

This PST to Apple Mail Converter tool can help transfer emails from a Windows system to a Mac computer.

  • Firstly, go to MS Outlook >> File >> Import >> Outlook for Windows Data File(.pst) on the Windows system.
  • Next, use PST to MBOX Converter tool to transfer emails from PST file to MBOX format.
  • Now, launch the Apple Mail application on the Mac computer.
  • From there, go to File >> Import Mailboxes.
  • Then, choose File in MBOX Format from the list and then click Continue.
  • Next, Browse to the folder path where the .pst file is saved and click Choose.
  • Now, the emails will be added to Oh My MAC folder on the left pane of application.

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