PST to MBOX Converter

PST files to MBOX converter tool converts damaged, locked, ANSI, Unicode, or oversized Outlook PSTs to MBOX. The tool runs without Outlook and preserves attachments, folder structure, and email headers, including To, From, CC, etc during conversion.

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  • Recovery Mode reads and converts corrupted PST files to MBOX format.
  • Batch Mode to convert multiple PST files or folders into MBOX.
  • Advanced Filters to selectively convert specific Outlook emails to MBOX
  • Folder Selection marks PST folders from inbox, sent, etc., with item count before export.
  • Flexible Output easily saves MBOX locally, to an external drive, or to a synced cloud folder.

Version 26.5  |  48 MB  |  Demo saves first 25 items per folder  |  Full version start from $29

See What Data Converts from PST to MBOX Format

Emails
Full message + headers
Attachments
Embedded in MBOX file
Email Properties
To, From, CC, Date, Subject
Folder Hierarchy
Structure Preserved

See the full item by item breakdown

Screens

Video

Guide

Universally Compatible

PST to MBOX Tool Works With Every MBOX-Supported Email Client

Our desktop-based converter exports PST files into standard MBOX, readable by any MBOX-based email client.

Thunderbird

Thunderbird

The most common MBOX destination — reads .mbox files natively.

Apple Mail

Apple Mail

Native MBOX support on macOS, no plugin required.

Claws Mail

Claws Mail

Lightweight, cross-platform, MBOX-native import.

Also supported

Eudora

Eudora

Mutt

Mutt

Mulberry

Mulberry

Becky! Internet Mail

Becky!

PocoMail

PocoMail

Spicebird Mail

Spicebird

SeaMonkey

SeaMonkey

Sylpheed

Sylpheed

Can You Convert PST to MBOX Without Outlook?

Yes, BitRecover PST to MBOX converter reads the PST files directly and produces MBOX file without Outlook. Here, What PST Item Converts in MBOX

PST item → MBOX result
Emails
Full message body and headers (To, From, CC, BCC, Date, Subject) preserved.
Keeps
Attachments
Embedded in the MBOX file alongside the message they belong to.
Keeps
Folder hierarchy
Original structure maintained — a dozen PST subfolders produce a dozen MBOX files.
Keeps
Contacts
MBOX has no field for contact records. Convert PST to vCard
Not included
Calendar items
Not supported by MBOX itself, Convert PST to ICS
Not included
Tasks & notes
Not Supported by the MBOX format, Convert PST to PDF
Not included

PST (An Outlook proprietary container)

PST (Personal Storage Table) format is a local file format used by Microsoft Outlook to store emails, contacts, calendars, tasks, notes, etc. Only Outlook or a dedicated PST viewer can open this file.

MBOX (A plain-text mailbox format)

MBOX is an open-source, single-plain-text file format defined by RFC 4155 & used to store email messages. The emails are stored one after another in the format. It is highly compatible with several email clients to carry email between them.

source selection

Source Flexibility

Add PST files Directly from Outlook and Local Storage

Our software allows users to add PST files in the software interface in two ways. You can choose between two options: “Configured Outlook mailbox data” and “my Outlook mailbox data”. That allows you to easily add single, multiple, and corrupted PST files.

  • If your Outlook account is currently configured with your system, then the PST file can be accessed directly. Simply select the “Convert configured Outlook mailbox data” option. Once the process is completed, the software will automatically preview the folders with their structure in the software UI.
  • Alternatively, you can also choose the option “Let me select my Outlook mailbox data” if you already have a PST file from a different Outlook version or stored locally.
filter options

Smart Filter Options

Use Filter Settings to Selectively Convert PST files to MBOX Format

This PST to MBOX converter provides advanced filtering options for a smooth conversion. For example, if you need to selectively export Outlook emails to MBOX format by date range, recipient, or sender's address, this software will help you directly convert selective data based on these fields.

This filter option allows you to convert PST files to MBOX based on specific attributes such as date range, From, To, and subject. Additionally, you can exclude any folder that you do not need. Secondly, if you are a professional user who regularly requires using the tool, then you may export these filter settings for future use.

Prime Features

Core Functionality Available in the PST to MBOX Converter Tool

selective conversion

Selective Data Conversion

The tool allows users to pick the folders from Outlook data files that are required to convert into MBOX format. Users simply check the checkboxes in the PST data folder tree, including sub-folders, to proceed with the conversion. This functionality helps by avoiding unnecessary folders from the export process and converts only the necessary ones.

support ANSI and Unicode PST to MBOX conversion

Support for ANSI and Unicode PST files

Our PST to MBOX converter is coded with advanced algorithms to support the Outlook (1997-2021) files, POP3 PST files, standard or archived PST files, etc. Users can add both the Unicode and ANSI PST files for the MBOX conversion process. This feature ensures smooth and accurate conversion while maintaining the original folder hierarchy and data integrity intact.

simple UI/UX

User-friendly Interface

The user-friendly GUI of our tool is designed by experts to be accessible for everyone. Whether you are a beginner or have no prior technical skills, our self-explanatory interface allows you to batch convert PST files to MBOX in just a few clicks, without needing to install Microsoft Outlook or seek technical assistance.

convert locked PST into MBOX

Convert Password Protected PST to MBOX

One eminent feature of this software is its ability to support locked PST files for MBOX conversion without entering a password. If you have archived PST files and forgotten the password, then BitRecover PST to MBOX wizard is an independent tool. The offline software can easily decrypt, extract and convert the PST file data into MBOX without changing the original file data.

no file size limitations

Supports Any Size PST files for MBOX Conversion

BitRecover tool for Outlook data file to MBOX conversion is equipped with the capability to handle large or oversized PST files for the export process. Users can bulk convert multiple huge PST files (exceeding 5GB) for MBOX conversion without any performance degradation or data loss. The advanced tool ensures that no email, attachment, or formatting is lost during the PST to MBOX export process.

maintain folder hierarchy

Maintain Folder Hierarchy

IT admins trust BitRecover software for PST into MBOX export as it is a standalone tool that can preserve the original inbox, sent, and custom folders intact. No folders or subfolder’s structure will be lost or disorganized in the converted MBOX format. You only need to download the verified PST to MBOX wizard on your desktop to experience its outstanding features.

facility to choose destination path

Freedom to Choose the Storage Path

Another advantage of choosing the BitRecover converter for PST files to MBOX format is its ability to pick a storage location. Users can willingly select the destination path for converted data. You directly store the converted MBOX file in your device's local storage, external storage or connected network storage.

Digitally Signed Software

Digitally Signed Software (SHA-256)

Our PST to MBOX wizard is a 100% safe and secure, desktop-based tool that is digitally signed to ensure the highest level of authenticity. This digital certificate protects the program from tampering and guarantees that you are using a trusted, reliable, and virus-free utility. By operating completely offline, the tool provides an accurate and secure PST into MBOX export experience.

Auto PST Discovery

Auto PST Discovery from Root Folder

One small but highly useful ability of the tool is to scan and detect PST files from nested folders. If you have several PST files scattered on your computer. Then, the BitRecover PST file to MBOX export allows you to auto-scan and pick the PST files for conversion from your device. Users only need to select the root folder, and the tool will automatically scan and pick the PST file from all the folders and nested folders.

Offline PST to MBOX Converter

Fully Offline PST to MBOX Converter

The prime advantage of using the BitRecover tool for the PST to MBOX export process is its ability to run in an offline environment without internet access. This ensures that your data stays on your computer and not a single piece of data will get cloud exposure during the Outlook data file to MBOX conversion process.

Working Video & Screenshots

Watch How to Convert PST to MBOX File Format?

Free Manual Method Vs BitRecover PST to MBOX Tool

What Does It Take to Convert PST Files to MBOX Manually?

Manually, without this tool

Outlook does not offer a direct PST save as MBOX option. Instead, you import PST to Thunderbird and install the ImportExportToolsNG extension. Then, right-click the imported PST folder and choose MBOX as the export option. This method is suitable for converting one PST file to MBOX at a time. However, it requires you to learn a separate email client working first.

With the PST to MBOX converter

This automated tool reads PST files directly and generates a standard MBOX file in just 4 easy steps. Additionally, this tool is designed to batch convert multiple PST files into MBOX even if the source PST is damaged, password-protected, ANSI or Unicode, which the manual method can’t even touch.

The Thunderbird manual route is suitable for converting a single PST file to MBOX when Outlook is installed. The automated method is suitable when Outlook is not available, PST files are damaged, locked or when you need to convert several PST files to MBOX at once.

System Specifications

Minimum System Requirements Needed to Run PST into MBOX Tool

Software Download

File Size : 48 MB

Version : 26.5

Trial Limitations

The trial version includes similar features and functionalities as the licensed version, except the capability to save just the first 25 items per folder. The PST to MBOX tool for Mac & Windows comes with money-back assurance and permanent customer support for complete customer satisfaction

System Specifications

Hard Disk Space
200 MB of free hard disk space

RAM
Minimum 4 GB RAM

Processor
Intel® Pentium 2.4 GHz processor

Supported Platforms

  • Microsoft Windows – Windows 11 (64-bit), 10, 8, 7 (32-bit and 64-bit), and Windows Server 2025, 2022, 2019, 2016, 2012 R2, and 2008.
  • macOS – Sequoia, Sonoma, Ventura, Monterey, Big Sur, Catalina, Mojave, High Sierra, Sierra, El Capitan, Yosemite, Mavericks, and Mountain Lion, etc.
  • Supported Source – Outlook ANSI and Unicode PST files.

Product Guides

Software Guide

Installation

Uninstallation

EULA

Electronic Delivery

BitRecover PST to MBOX Wizard is delivered automatically. After your payment is confirmed, you will receive an email with a link to download the product and the activation key.

Upgrade Benefits

PST to MBOX Converter Free vs Paid Version Comparison
  •  
  • Advanced filter options
  • Maintaining PST folder hierarchy
  • Option to Storage Path
  • Preview PST Folder/Subfolders structure
  • Compatible With Windows 11 & Below Versions
  • Convert All PST Emails to MBOX
  • Cost
  • Free Trial Version
  • First 25 items/folder
  • $0
  • Download
  • Most Popular
    Paid Version
  • Unlimited*
  • Starting from $29
  • Buy

Verified Recognition & Awards

Trusted PST to MBOX Converter Validated for Security and Performance

Insightful Impactful Award

Software Suggest

It is especially awarded the Insightful Impact award due to its capability of secure and accurate PST into MBOX conversion.

No Spyware Award

Software Informer

It is tested and awarded by Software Informer and certified as 'No Spyware', free from any viruses.

100% Virus Free Award

Softpedia

Specially examined by Softpedia experts, it received the 100% Clean award, certifying this tool as safe & secure.

Client Feedback

What Client are Saying After Using the Professional PST to MBOX Exporter

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Common FAQs

Frequently Asked Questions Related to PST to MBOX Tool

Yes, BitRecover PST to MBOX wizard allows users to bulk convert multiple Outlook data files to MBOX format without Outlook installation. This software can work as a standalone solution tool to export Outlook PST to MBOX without requiring Outlook installation.

No, Outlook does not provide any direct option to export MBOX files. Instead Outlook offers to export the data in its PST format. Users who wish to export Outlook data to MBOX format need to export the PST from Outlook and then convert PST to MBOX.

Yes, the PST to MBOX converter tool is a professional solution that is designed to maintain the attachments during the export process.

Yes, this software supports PST files from Outlook version (1997-2021) for MBOX conversion. Which include the support for both ANSI and Unicode PST files.

Yes, the BitRecover converter for PST to MBOX supports all version PST files. You may easily convert PST to MBOX without losing the original folder hierarchy and keeping the data integrity intact.

Yes, this tool is a standalone PST to MBOX exporter that allows users to batch convert locked PST files to MBOX without entering a password.

MBOX is a email storage format, the contacts and calendar from the PST files will not get converted into MBOX. However, using the BitRecover PST to MBOX converter you may convert your contacts as calendar into vCard or ICS format.


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