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Free PST to MBOX Converter


A powerful tool to convert Outlook PST file to MBOX file type with all attachments and properties for Thunderbird, Apple Mail, Spicebird, SeaMonkey, Netscape, Entourage, etc.


PST to MBOX Converter

Email Clients

Outlook PST to MBOX Box

Quick Features

Tool to Convert Outlook PST File to MBOX File Format

  • Bulk Conversion: Converts single and multiple PST files.
  • Various File Types: Converts PST to MBOX, EML, MSG, PDF, OLM, etc.
  • Email Servers: Move PST files to Office 365, Gmail, and Live Exchange Server.
  • Complete Conversion: Mails, Contacts, Calendar, Notes, Tasks, Journals, etc.
  • Split PST: Split Outlook PST file by Size, Date, and Folder.
  • MBOX Platforms: Supports Thunderbird, Apple Mail, Spicebird, etc.
  • Thunderbird: Supports all latest version of Thunderbird email client.
  • File Recovery: Perform recovery of corrupted PST files.
  • Contacts: Exports multiple contacts into single multi-contacts VCF file.
  • Calendar: Export Outlook calendar into iCal file format.
  • Original Format: Maintains Meta properties and folder structure in original form.
Awards & Reviews
Blank Profile
"Someone suggested me this application for moving data from Windows to MAC machine. And really, it worked for me. It helped me to migrate the complete Outlook data file to another MAC machine by converting all data in MBOX and EMLX file types. Really happy to get this application. Recommend for all users!!"

-Jack Morrison

Blank Profile
"A complete solution for PST to MBOX conversion. Impressed by its speed and GUI interface. I purchased full version of PST to MBOX converter. Very easy to use application that converts my 18+ files in just a few minutes. Many many thanks to the team of the company for providing such helpful utility."

-Elsa Maura

3 Main Export Features of the Tool:

PST to MBOX Converter – Convert Outlook Mailbox with Complete Accuracy

Export PST Emails with all Properties

PST to MBOX converter enables users to export Outlook emails with all properties including email's attachments (all types), embedded images, header's details, hyperlinks, HTML formatting, documents, files, etc. With this software, you can get complete conversion results.

Export PST Contacts with all Fields

Outlook PST to MBOX converter is very helpful to export PST contacts. It maintains all the contact fields such as Contact image, Phone number, Addresses (Home & Business), Attachments, Notes, Email address, Meetings, etc. You can export PST contacts into vCard type or other file types.

Export Outlook Calendar with all Fields

Software is integrated with the latest algorithms that make you able to export Calendar with complete fields such as Meetings, Appointments, Tasks, Events, Subjects, Locations, Notes, Meeting requests, etc. Outlook calendar can be exported in ICS file type or other file types.

Supports all MBOX Email Clients Application

Convert Outlook data file to MBOX file type and transfer all the Outlook Mailbox items to the MBOX supported email clients such as Thunderbird, Apple Mail, Spicebird, Netscape, SeaMonkey, etc. This tool makes PST to MBOX conversion simple and easy. Top MBOX supported email clients are given below which is supported by our application.

  • Thunderbird: Import converted MBOX file(s) to Thunderbird (Windows, MAC, or Linux Machine).
  • Apple Mail: Convert PST to MBOX for MAC email client (Apple Mail) and access all items.
  • Spicebird: Import exported MBOX files to one of the best desktop email clients.
  • Netscape: A popular email client used by many users that also supports the MBOX file.
  • SeaMonkey: A free and open-source internet suite that also supports the MBOX file.
Multiple MBOX Supported Clients

Top Advantages of the Tool

Prominent Features and Benefits

PST File Recovery

Extract Items from Inaccessible PST File(s)

The reliable Microsoft PST to MBOX converter is a multi-functional tool that facilitates users to easily scan the inaccessible PST files and fixes the issues related to the PST file. It easily recovers and converts the corrupted, damaged, highly-encrypted, and password protected files. The software works in all corruption cases and also, recovers the deleted and permanently deleted emails from Outlook PST files.

PST File Conversion

Convert PST Data in Various File Types

Access PST files contents using any email platform as it provides an option to converts PST files into a variety of file types including MBOX, EML, EMLX, MSG, HTML, VCF, ICS, Office 365, Gmail, Exchange Server, etc. Also, there are many options available to manage the PST file in a better way like Message Filtering, Selective Conversion, etc. By all means, this is the complete and secure online PST conversion tool.

PST to Office 365

Import PST to Office 365 Account

Software is equipped with the latest algorithms by which you can easily import the PST file to Office 365 account directly. You just need to enter Office 365 credentials and connect to the server and then, the software will automatically transfer all the PST file contents into Office 365 account. All the processes will be secured via SSL connection. You can also filter PST file contents by date to move the data between a specific date.

PST to Exchange Server

Import PST to Exchange Server Account

Import Outlook PST file to Live Exchange server account with the help of the software. Just enter Exchange server details and connect to the server. Software will automatically move all the data to the Exchange server directly. All the processes will be secured via SSL connection so you don't need to worry about credentials. Message filtering option helps you to move specific data by given date range.

PST to Gmail Account

Import Outlook PST to Gmail Account

Gmail is the most popular web email client around the world and now you can easily import PST file contents to the Gmail account directly with using PST converter. Software provides an easy way to move data from the Local system to the Gmail server. Just enter Gmail credentials, connect to the server and import data. All the processes will be secured via SSL connection. You can also move data between a specific date range.

Merge MBOX Files

Create a Separate or Merge all MBOX Files:

User's Demand: According to users' requirements, we have added this feature to software for better management. Users can export the PST file contents in the desired way. It easily converts PST to MBOX of different email clients.

  • Create a Separate MBOX File: Users can create a separate MBOX file for each folder of the PST file.
  • Merge All items to Single File: Users can merge all the PST items into a single MBOX file.
Batch PST Conversion

Batch Mode for PST Mailbox Conversion

The PST to MBOX converter is a flexible tool that comes with the Batch conversion option to convert single or multiple Outlook.pst file(s) at once. Users can perform safe PST to MBOX conversion without Outlook installation.

  • Add File: By using this option, the user can select the PST file one by one.
  • Add Folder: By using this option, the user can select the Folder contains multiple PST files.
PST Message Filtering

Message Filtering Option as per Date

While converting the PST file to the MBOX file type, users can enable the "Message Filtering" option to export the PST file contents between the two specific dates. This feature helps users to export PST data by Year, Month, or any specific date filter.
Note: This filter can be applied to all the items such as Emails, Contacts, Calendar, Journals, Notes, Tasks, etc. if you want to export these items individually.

PST File Preview

Get a Free Preview of the PST File Items

Users can use this software as a Free PST Viewer as it provides a complete preview of PST file contents. It also helps users to double-check the contents to ensure the complete PST file conversion. You can check all the items such as Emails, Contacts, Calendars, Notes, Tasks, etc. with all properties. Email attachments, header's details, links, HTML formatting, embedded images, etc. can be easily viewed before conversion.

PST Contacts to VCF

Export PST Contacts from Single VCF

The latest and advanced Outlook PST to MBOX converter helps users to export Outlook PST contacts individually. Users can export Outlook PST contacts to multi-contacts VCF file type that can be easily accessed via any device or platform that supports vCard format. Using this option, users can manage all the contacts information in one single place. It easily exports all contacts information like Contact photo, phone numbers, address, etc.

PST Calendar to ICS

Export Outlook Calendar to ICS Format

Export Outlook PST calendar to the ICS file type and share calendar details/ events to Google, Yahoo, and other platforms. Software easily exports a PST calendar with all the associated fields to the ICS format that can be easily accessed with Google calendars, Android phones, etc. You can also set filters to export calendar details between two specific dates.

Selective PST Conversion

Selective Outlook Data File Conversion

If you want to migrate just one single folder or some specific folders then, it can be easily done with the help of PST to MBOX converter. Inbox, Sent, Outbox, Spam, Trash, etc can be exported individually. From the left pane of the software screen, you can select/ deselect an unwanted folder and the software will export only selected folders. So, this feature will help you to split the PST data by Folder.

Windows MAC LINUX Compatible

Convert PST for Windows, Mac, or Linux

The best part of the PST to MBOX migration tool is that converted MBOX file(s) can be easily accessed on Windows, MAC, or Linux (Ubuntu) operating systems. This program is helpful for all the users connected to any operating system or MBOX supported email platform. All email's metadata, files/ folders structure, and other relevant information will be maintained as it is as before during conversion process.

Software Specifications
Minimum Pentium Class
Operating System
Windows 10, 8.1, 8, 7, Vista, XP
512 MB Minimum
Hard Disk
50 MB of free space
License &
Single User License
Can use only on a single system
Technician License
Can be used on multiple machines
Language Supported
English, German, French, Italian, Spanish
Available on Demand
Installation Guide    User Manual
Frequently Asked Questions

A: Check step by step procedure to convert Outlook PST file into MBOX format:

  1. Download, install and run PST to MBOX Converter.
  2. Click on the Open button and browse the PST file and check the preview to ensure complete conversion.
  3. Click on the Export button to select the File Destination and Export Option.
  4. Select other options if there is a need.
    Merge all items to Single File: To Create a single MBOX file.
    Message Filtering: Filter messages according to date range.
  5. Click on the Convert Now button to start the conversion process.

A: Follow given below steps to import MBOX file in Thunderbird:

Copy the converted MBOX file to the following location:

In Windows XP and 2000:

  • C:\Documents and Settings\<Windows user name>\Application Data\Thunderbird\Profiles\<Profile name>

In Windows 7/ Windows 8/ Windows 10:

  • C:\Users\<Windows user name>\AppData\Roaming\Thunderbird\Profiles\<Profile name>\

Thunderbird Folder in MAC OS:

  • ~/Library/Thunderbird/Profiles/<Profile name>/
  • OR
  • ~/Library/Application Support/Thunderbird/Profiles/<Profile name>/

(Library is the home folder of Macintosh systems)

A: Copy the converted MBOX file to the following location:

  • Windows 2000 and Windows XP: C:\Documents and Settings\<Windows login user name>\Application Data\
  • Windows Vista and above: C:\Users\<Windows login user name>\AppData\Roaming\

Use given below steps to quickly find your profile folder:

  • Windows 2000/XP: Click Start → Click Run → Type in: %APPDATA% → click OK
  • Windows Vista/7/8/10: Press "Windows key +R" to open the Run dialog → type %APPDATA% → click OK
    (Alternatively, press the Windows key to open the Start menu, type %APPDATA% in the search box and press the enter key.)

Note: In SeaMonkey email client, click on Windows > Mail & Newsgroups. A new window will be opened where you can check the imported MBOX file under "Local Folders".

A: Copy the converted MBOX files on the following location:

For Windows XP:

  • C:\Documents and Settings\Administrator\Application Data\Spicebird\Profiles

For Windows Vista:

  • C:\Users\Administrator\AppData\Roaming\Spicebird\Profiles\

For Windows 7/ Windows 8/ Windows 10

  • C:\Users\Administrator\AppData\Local\Spicebird\Profiles

Note: After moved the converted file, click on "Mails, News" tab at the top and check converted file under "Local Folders".

A: Copy the converted MBOX file on the following location:

In Windows XP:

  • C:\Documents and Settings\Administrator\Application Data\Mozilla\Profiles

In Windows Vista:

  • C:\Users\Administrator\AppData\Roaming\Mozilla\Profiles\

In Windows 7/ Windows 8/ Windows 10

  • C:\Users\Administrator\AppData\Local\Mozilla\Profiles

A: Yes, you can also convert single mail to the desired file type. Just select the mail, press right-click, and click on "Export List Items". Then, select File destination and click on the "Convert Now" button to save mail on the desired location and file type.

A: Yes, the software has a batch conversion option by which you can load and convert multiple PST files at once. You will also have option to create separate MBOX files or merge all items in a single MBOX file.

Other Supported Conversions

You can also convert PST into other file types.


(E-Mail Message File)


(E-Mail Message File - MAC)


(Microsoft Outlook Email Format)


(Hyper Text Markup Language)


(Virtual Contact File)


(iCalendar - Universal Calendar Format)


(Portable Document Format)


(Lotus Notes - Notes Storage Format)


(Zimbra Data File)


(Outlook for MAC)

PST to Gmail

(Gmail - Google Web Email Client)

PST to Office 365

(Office 365 - Microsoft Cloud Office)

PST to Exchange Server

(Microsoft Exchange Server - Mail Server)

PST to PST (Management)

(Outlook - Personal Storage Table)

PST to MBOX Converter

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