SysTools Outlook PST to MBOX Converter

(Average Rating 4.7 Based on 602 Reviews)

Convert PST File to MBOX Format Supported by 20+ Email Clients

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PST to MBOX Converter





Safest Tool to Export PST to MBOX File Format

  • Bulk convert emails from Outlook to MBOX format
  • Select PST from System and Search inside Selected Drive or All Drive
  • Advance Scan to Recover and Export Corrupted PST file to MBOX
  • Saves the resultant MBOX file per folder for individual PST
  • Outlook installation is not required for file conversion
  • Easily converts both MS Outlook PST file types: ANSI & Unicode
  • No PST file size restriction to migrate PST to MBOX file format
  • Capable enough to support All MBOX Supporting Email Applications
  • Swiftly maintains the email properties like hyperlinks, signature, etc.
  • Ensures to Preserve the Folder Structure Intact after the conversion
  • Easy to be installed on the latest Windows 11, 10 OS and the Prior Versions

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

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mbox alternate support

Here Comes the Complete List of MBOX Supported Email Applications

One can easily download free trial of Outlook to MBOX Converter software, as it can quickly convert PST file to MBOX in a reliable yet a smart way. This is because the software renders cost-effective features that could easily export Outlook files to MBOX format within a short span of time. Besides this, the converted MBOX file can be imported on countless MBOX supported email programs as listed below.

  • eudora Eudora Mail
  • kmail Kmail
  • netscape Netscape Mail
  • evolution Evolution
  • spicebird Spicebird Mail
  • earthlink EarthLink
  • Pocomail Pocomail
  • google vault Google Vault Files(*.mbox)
  • takeout Google Takeout(*.mbox)
  • mailcopa MailCopa
  • becky Becky! Internet Mail
  • claws Claws Mail
  • cone ConeP
  • postbox Postbox
  • mulberry Mulberry
  • opera mail Opera Mail
  • horde Horde Group Webmail
  • entourage Entourage
  • seamonkey SeaMonkey
  • alpine Alpine

Best PST to MBOX Converter

Pick the Desired PST File of Your choice to Convert into MBOX format

With Outlook to MBOX converter tool, now it’s no more a complicated task to export PST to MBOX format. As the software is compatible and capable enough to convert both ANSI and Unicode PST file types to the output MBOX file format.

  • ANSI PST Files In Outlook 2002 and previous versions, the PST files are in the American National Standards Institute (ANSI) format and the overall capacity or limit of the file is of 2 gigabytes (GB).
  • Unicode PST Files This is the default file format for Microsoft Outlook 2003 and all the above versions. Unicode PST files support multiple character sets and have no limitation in the number of items per folder. Moreover, it has increased the file-size limitation, unlike the ANSI PST file, which the maximum capacity of 2GB.

What All Data Are Converted From Outlook to MBOX Format?

Email Messages A user can easily download free PST to MBOX converter software by SysTools, as it is an all-time best solution to smoothly convert PST files to the desired MBOX format. In addition to that, all the Outlook email messages with the inline images, links, signature will be retained in the imported email client.
Attachments Any email attachment corresponding to the email message will also be imported by this Outlook to MBOX converter tool. This include document, spreadsheets, images, etc. The various attachments file types that are supported by the software includes,
  • Business Cards (in VCF)
  • Calendars
  • Outlook Item
  • Signature
Folders With the help of this software, all the folders associated with the PST file will also be migrated to the destination email program. This includes Inbox, Drafts, Sent Items, Deleted Items, Junk Email, and much more.

Note: It will recreate the source folder hierarchy.

Maintains Folder Hierarchy The best PST to MBOX converter tool ensures to preserve the folder structure intact of the email messages, which is corresponding to individual email folders. Moreover, all the read and unread messages of the PST file are also well-maintained in the converted file.

Prominent Features of SysTools PST to MBOX Converter

Quickly Export Outlook PST files into various MBOX supporting email applications like Thunderbird, Apple Mail, Entourage, Opera Mail, SeaMonkey, Google Vault and Many More!

outlook to mbox conversion

Instant Conversion of Outlook PST Files

SysTools Outlook to MBOX converter tool is an ultra-quick software to transfer all emails from Outlook data file to MBOX file format along with the attachments. It allows to move single PST file at a time and saves the output MBOX file individually per folder. Moreover, this efficient utility export the entire folder containing emails, which includes Inbox, Outbox, Sent Items, Drafts, etc.

maintain hierarchy

Option to Maintain Folder Hierarchy

This best PST to MBOX converter tool is designed in such a way that it provides an option to keep the folder hierarchy intact while PST conversion to the output MBOX. Based on the requirement, a user can either keep the hierarchy maintained by selecting the "Maintain Folder Hierarchy" option. Along with this, it has "Ignore System Folders" option. You can choose options according to your needs.

export report

Displays Export Report

Once the PST file to MBOX conversion is completed, this Outlook to MBOX converter tool will show the full data count for each folder. This includes the Source File Name, Saved File Path, Success Count, and Fail Count. In addition, it offers the option to save the report in CSV file format.

 preserve data integrity

Capable to Preserve Data Integrity

After undergoing the file export process using this top-notch utility, it ensures to preserve the complete data integrity. The entire metadata associated with the respective emails like To, From, Sent Date, Received Date, Cc, Bcc, etc are also retained. Apart from that, the original formatting of the emails and various other crucial data including attachments are also maintained without any modifications.

simple interface

Offers Single Panel Interface

The best PST to MBOX Converetr tool by SysTools is completely a safe and secure that provides accurate results. With its simplified and single panel interface makes easy for a novice user to easily operate the tool without facing any technical discrepancies. Furthermore, a user can directly reach out to the support team for any assistance if required while undergoing the file conversion process.

mbox email clients

Facilitates to Import On All MBOX Email Platforms

The free trial version of Outlook to MBOX converter tool can be easily downloaded, which creates an MBOX format per folder for every single PST file. Moreover, the resultant file can be easily imported on all the MBOX supported email platforms without any hassle. A user need not have to face any compatibility issues to import PST to Thunderbird, and other MBOX-based email application.

pst to apple mail

Seamlessly Migrate Outlook PST to Apple Mail

For Mac OS users, this software is extremely a great relief to migrate PST to MBOX supported Apple Mail application. Furthermore, a user can easily export the converted MBOX file to supported application without worrying about the MBOX file size limitation. Besides this, there is no occurrence of any data loss issue after completing the conversion process.

save output

Allows to Save MBOX File to the Directed Location

A user can independently export PST to MBOX format to import the file to the desired supporting email platform. Once the PST file is uploaded for file conversion, one can choose the destination location of the MBOX file as per the user’s choice. Within the software interface, it provides Make New Folder option wherein a user can pick the best location of his/her choice to save the output file.

Outlook to MBOX Converter Specifications for Windows
Download Tool & Convert PST File to MBOX Format

Software Download

Size : 36.3 MB

Version : 6.0

MD5 : 3f3b6c847a550907a9e84fd0451f56ab

Trial Limitations

Trial version of Outlook to MBOX software allows converting and saving 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

Intel®Core™ 2 Duo CPUE 4600@ 2.40GHz 2.39GHz

Operating System

Microsoft Windows 11 (64 bit), 10 and all the below versions


  • If you are using Windows 11 (64 bit) / 10 / 8.1 / 8 / 7, then please launch the tool as "Run as Administrator".

Supported Editions

  • The Output MBOX file generated by software is compatible on all MBOX supported applications
  • Microsoft Windows 7 / 8 / 8.1 / 10 (32-Bit & 64-Bit), 11 (64-Bit) & Windows Server 2003 / 2008 / 2012
  • Outlook 2003, 2007, 2010, 2013, 2016, 2019, 2021 (32-Bit & 64-Bit)




Electronic Delivery


PST to MBOX Converter Tool- Feature Comparison

Get the Complete Overview of DEMO and Licensed Version of the Software

Features DEMO Version FULL Version
Add Outlook PST File
Maintain Folder Hierarchy
Show Item Count Details
Supports Both Outlook PST file types: ANSI or UNICODE
Supports Windows 10 and All the Below Versions
Export PST to MBOX Export 25 Emails / Folder
Cost FREE $49
Frequently Asked Questions

Listed Commonly Asked Questions and Answers

How Does the Tool work to Convert PST file to MBOX format on Windows OS?

Folder structure

Steps to convert Outlook PST file to MBOX are as follows:

  • Step 1:– Launch Outlook to MBOX Converter on Windows PC.
  • Step 2:– Select the PST file to convert.
  • Step 3:– Choose MBOX file format from the Export Type.
  • Step 4:– Click the Export button to convert PST to MBOX format.

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

Yes, you can use this tool to convert PST to MBOX format for Eudora Mail. Compatibility between the files and platform will not be a concern.

Yes, the software is developed to support both ANSI and Unicode PST file types wherein a user can easily convert PST file to MBOX format seamlessly.

Yes, you can export PST to MBOX file without installing Outlook application on your system using this tool.

“I need to urgently import Outlook emails to MBOX to access the file in Thunderbird application. However,, the Outlook PST files are corrupted. Does the tool provides the functionality to export corrupted PST files to MBOX format?”

Yes, this Outlook to MBOX converter tool is designed to export both healthy and corrupted PST files. It provides the option of Advanced Scan when adding PST files to the panel, which will recover the corrupted PST file and export it to MBOX file format.
Yes, the tool allows to convert bulk of PSTs at a time without size restrictions.
Yes, the software is able to export PST emails with all attached items to the MBOX format.
No, there is no such requirement to have MBOX supported email programs on the system to perform the conversion.
The time required to convert PST file to MBOX file format is totally depended on the size of the PST file.

What Customers Are Saying

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