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SysTools Outlook to MBOX Converter
Convert Outlook PST to Thunderbird, Eudora or Entourage MBOX File Format

(Average Rating 4.5 Based on 147 Reviews)

  • Provision to convert MS Outlook PST to MBOX files format
  • Create single MBOX file for one MS Outlook PST file
  • Requires the installation of MS Outlook
    Provides Support for all the listed Outlook versions (Outlook 2016, Outlook 2013, Outlook 2010, Outlook 2007, Outlook 2003, Outlook 2002, Outlook 2000, etc.)
  • Allows to import Outlook mail to Thunderbird without Size limitations
  • Supports Both Outlook PST file types: ANSI or UNICODE
  • Provides free tool to access MBOX from Thunderbird along with the converter
  • Import MBOX file to Apple Mail, Thunderbird, etc. after PST to MBOX conversion
  • Supports all Windows versions to migrate Outlook files to MBOX
    Provide Support for all the listed Windows versions (Window 10, Windows 8.1, Windows 8, WIndows 7, Windows Vista, Windows XP, etc.)

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Free Live Demo - SysTools Outlook to MBOX Converter Fully Secured Download Version

List of Features that Outlook to MBOX Software Exhibits

convert outlook mail to mbox

Convert Outlook PST to MBOX

This software allows you to convert all emails from an Outlook PST to MBOX file format. Only one PST file can be converted at a time and a single MBOX is created for the same. The tool will export the entire folder having emails in them like: Inbox, Outbox, Sent Items, Drafts, etc.

maintain folder hierarchy

Maintain Folder Hierarchy

The Outlook PST to MBOX File Converter provides the option to keep the folder hierarchy intact during the process to Convert PST backup files to Thunderbird. If you like to keep the hierarchy maintained, then select the "Yes" option and if you do not want to maintain the folder structure then "No" option can be chosen.

show item count details

Show Item Count Details

As you load the Outlook PST file and click export, PST to MBOX Converter will show you the complete data count for each folder. It will show the name of current folder which is being converted, its folder count and number of emails converted from it.

maintains data integrity

Maintains Data Integrity

While you convert Outlook PST to Thunderbird MBOX format, the software maintains complete data integrity. The Meta data associated with emails like: sent data, received date, to, Cc, Bcc, etc. is also retained. Also, it will maintain the original formatting of emails and the crucial data in it.

single panel interface

Single Panel Interface

Convenience to work with the tool is extended by providing a single panel for file selection, conversion, and status of conversion. The task to Convert PST to Thunderbird on a single panel makes the procedure fast, understandable, and comfortable for all types of users.

exportable output mbox

Exportable Output MBOX

Outlook PST to MBOX Converter program creates a new MBOX format file post conversion. This file is easily exportable into all MBOX supported desktop email clients. No kind of compatibility issues will be faced while exporting output MBOX file into clients like: Thunderbird, Apple Mail, Eudora, etc.

Outlook PST to MBOX

Migrate Outlook PST to Apple Mail

Since Apple Mail is an MBOX supporting email client which is available for the users of Mac OS, this tool allows the Mac OS users to export Outlook PST to Mac Mail MBOX without any size limitation or data loss.

PST to Thunderbird

Convert Outlook PST File to Thunderbird

Thunderbird is an MBOX supporting email client used by large number of people around the world. So it is always a wise decision to convert the data files to Thunderbird MBOX format. PST files to MBOX Migrator tool allows to convert the Outlook data files to MBOX file format.

Note: Export MBOX files to Thunderbird using Thunderbird Import Tool, which can be obtained free of cost along with Outlook mail to MBOX Converter.

Outlook PST File to MBOX Converter Screenshots
Know How to Migrate PST File to MBOX through Outlook to MBOX Migration Tool

outlook to mbox conversion tool
Step 1: Run Outlook to MBOX Converter Tool
add & convert pst file
Step 2: Select MS Outlook PST File
maintain folder hierarchy
Step 3: Choose the option to maintain hierarchy
export & save outlook as mbox
Step 4: Export Outlook mail to MBOX
Watch Live Video of Outlook to MBOX Converter
Video describing the method to export Outlook to MBOX

Download Outlook to MBOX Converter Software

Size: 2.9 MB Version: 1.0

Trial Limitations

Demo version of Outlook to MBOX software allows converting and saving first 15 emails from PST to MBOX file format.

Download Outlook to MBOX Converter

Installation Uninstallation EULA

System Specifications

System Specifications
  • Hard Disk Space: 5 MB of free hard disk space

Application Pre-Requisites

  • Microsoft Outlook (32 bit) should be installed and configured for a valid or dummy POP3 profile (Not Configured for Exchange).
  • If you are using Window 8.1/ 8/ 7 or Vista, then please launch the tool as "Run as Administrator".

Request For Software Customization

If you need to customize Outlook to MBOX Converter or need additional features then, Request Quote

Frequently Asked Questions
What are the key features of SysTools Outlook to MBOX Converter Software which lets it to stand out from others?
Is it possible for the PST to MBOX Converter to import PST to Thunderbird without Outlook?

No, Outlook environment is necessary for using the tool to convert PST to MBOX. Outlook (32-bit) should be installed and configured properly on the conversion machine.

Is the tool capable enough to convert multiple data items simultaneously?

No, SysTools Outlook to MBOX Exporter Tool will only let you convert single PST file at a time. It does not support file conversion in bulk.

What is the PST file size limit enforced for Outlook to Thunderbird Converter?

The software can convert PST file any size of successfully. It doesn't show any kind of performance limitation.

Is it possible to convert Calendar Items also along with emails?

No, PST to MBOX Converter is only meant to export Outlook mail to MBOX format.

Can I convert a corrupt or password protected PST file to MBOX?

No, software will not convert corrupt or password protected PST file. If you have a corrupted PST file then first recover it using SysTools Outlook Recovery tool and then convert MS Outlook PST to MBOX files format using this tool.

Do I need to have any MBOX supportive email client on my machine?

No, there is no need to have any MBOX supportive email clients such as Thunderbird, Eudora, Entourage or Poco Mail on the machine. Software will convert outlook pst to Thunderbird seamlessly.

Is the MBOX files created after the Conversion, compatible with Eudora account?

“I am a Eudora Mail user for the past few years. My official emails are handled using Outlook. Now I wish to import Outlook to Eudora so that I could manage all my mails using a single email client. Is it possible to do this using the converter tool?”

Yes, you can use this tool to convert Outlook PST to Eudora mail account and manage it from there. Compatibility between the files and platform will not be a concern.

How much time is required to import outlook 2010 pst to entourage 2008 mbox?

The time required to convert PST files to MBOX format only depends on the size of the PST file. The mailbox files can then be accessed using your account easily. You can export outlook email to entourage without any wastage of time.

How can I access the output MBOX file from my Thunderbird profile?

As the manual steps to export MBOX files to Thunderbird requires the setting up of various system specifications, you can go for Thunderbird Import Wizard. It can be obtained free of cost when you purchase the Outlook to MBOX Converter Tool.

Get an Overview of Outlook PST to MBOX Software Features - FREE and Licensed Version

Features FREE Version FULL Version
Add Outlook PST File
Maintain Folder Hierarchy
Show Item Count Details
Supports Both Outlook PST file types: ANSI or UNICODE
Windows 8 & All Other Previous Windows Version Supported
Export Outlook PST to MBOX Export 15 Emails All Items
Cost FREE $69 $49
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Outlook to MBOX
MBOX Converter




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Note: Software will get delivered on your registered email id, within few minutes after placing the order.

Electronic Delivery: The delivery of product is automated. You will receive an email containing both the link to download the product and the activation key within few minutes after payment confirmation.

Purchase Order: You can place the order via Purchase Order(PO) Click Here

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License Information Personal License Business License Enterprise License
File Limitation Convert Unlimited PST Files Convert Unlimited PST Files Convert Unlimited PST Files
Bulk Conversion Support
24x7 Technical Support Consistent Unlimited Unlimited
1 Year Free Product Updates
30 Day Money Back* Yes, Money is refundable Yes, Money is refundable Yes, Money is refundable

Features in Freeware & Commercial License

An Overview At The Contrast between Trial & Purchase License

PST to MBOX Converter FREE Version FULL Version Bundle Offer
Add Outlook PST File
Maintain Folder Hierarchy
Select Destination Path
Export Outlook PST to MBOX
MBOX Converter
Add MBOX Files & Folder
Preview Emails with Attachments
Export MBOX to PST, MSG & EML
Save Export Report

Frequently Asked Questions

Listed Commonly Asked Questions and Answers

What Clients Say

It was always a difficult task working with software applications but I am highly impressed with the work of Outlook to Thunderbird Converter developers. They not only did offer a very precise tool to convert PST to MBOX Thunderbird, but also made it absolutely level headed for all types of users.

Eric Leary, Thailand

There has been a great change in the way I communicate through email these days. Earlier, I was restricted to use Microsoft Outlook. Using Outlook PST to MBOX Converter made it possible for me to use my mailbox on a variety of email clients without compatibility issues.

Claudia Berlitz, Germany

I have been searching for the utilities which can import Outlook PST to Opera mail. Recently I came to know about this Tool. I used it to export mails from Outlook to Opera mail account which came out to be a great success.

Jamie Heigl, Central Park

Being a common Outlook user, I was not concerned about crashing or corruption issues. But when all of a sudden my account got crashed I had to find a way to backup my emails to another email client. As I had an Apple Mail account, my friend suggested to use this Outlook to Thunderbird Software by which I could easily import Outlook PST to Apple Mail. Thanks SysTools!

Sofia Shah, Berlin

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