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How to Convert MBOX File to CSV in Bulk?

Bhawna Barwal | email conversion file conversion how to software technology | 4 minutes read | Last updated on May 24th, 2025,

Want to understand how to convert MBOX file to CSV in bulk? So here is a comprehensive guide illustrating various methods to convert MBOX into CSV. Before moving further let’s know about both these file formats in brief.

MBOX and CSV – Overview

MBOX file is able to store multiple email messages. It is a good source to manage precisely emails. One can backup email accounts as MBOX file. There are several email clients (Thunderbird, SeaMonkey, Eudora, and many more.) which supports this format and allow import/export MBOX file. On the other hand, CSV contains data in tabular form, CSV file is a format for spreadsheets. CSV enables to save contact as well as email. There are various email programs which supports to export contacts as CSV file.

Manual Way to Convert MBOX into CSV

In this segment, we will see two manual methods that can help to convert MBOX to CSV. Let’s discuss them below:

Convert MBOX File to CSV with Thunderbird

  1. Firstly, open Thunderbird email program on PC.
  2. Go to Address Book available at the upper side.
  3. Click on the “Tools” option.
  4. Now press on the export and mention the name of the file.
  5. Set the destination path where you want to save CSV file.
  6. Lastly hit the “Save” button to start processing.

Convert MBOX File to CSV via Add-On

  1. For this, open Mozilla Thunderbird.
  2. Move further, go to Menu section.
  3. Click on the “Add-Ons” then “Themes”.
  4. Now search for ImportExportNG.
  5. Click on Add then add Thunderbird.
  6. Reopen Thunderbird email program.
  7. Press right click on the Folder.
  8. Now select ImportExportNG.
  9. Select folders to export to CSV.
  10. Thereafter view Add-ons functions after completion.
  11. Click Ok, and set the path for the output.

Shortcomings of Manual Methods to Convert MBOX File to CSV

  • Converting MBOX files to CSV manually is time consuming task.
  • Also, it causes data loss when it comes to execute batch MBOX conversion.
  • It requires Thunderbird installation, without this manual method does not exist.
  • It requires some knowledge of technicalities in order to understand manual process.

It is better to go with a safe and secure method to convert MBOX to CSV. Also, if you want an easy method that you must try the below mentioned professional method, it can provide you an instant output of bulk MBOX migration without Thunderbird.

How to Convert MBOX File to CSV in Bulk? -Professional Solution

BitData Migration MBOX Converter is the ultimate method that helps to convert MBOX file format to CSV file format. It enables conversion of numerous MBOX files to CSV files in a single round.  This method converts MBOX files along all attachments and other components. Also, it is simple using this app, without being a tech-savvy user can utilize it effortlessly. This app supports conversion of MBOX files and also MBS, MBX, MBOXO, without extension file, etc. It runs on Windows Operating Systems and also it provides free demo so that one can evaluate for free.

win download buynow

mac download buynow

Precise Guidelines on How to Convert MBOX File to CSV in Bulk

 Step1:  At first launch MBOX to CSV Converter on your PC.

Step2: Upload MBOX data with Add Files and Add Folder options.

Step3: Now choose only required MBOX files clicking on the respective checkboxes.

Step4: Choose CSV output option from the list of multiple output options.

Step5: Lastly enter destination path accordingly and hit the “Convert” tab.

Features of MBOX to CSV Conversion Utility

  • MBOX to CSV Converter helps exporting batch MBOX files to CSV file in single click.
  • With clicks on checkboxes it is possible to select multiple MBOX files on selective basis.
  • The software enables to preview the selected data so that users can overlook them before the migration.
  • It preserves all components of MBOX data in the output, it negates data loss issue.
  • It is not required to install Thunderbird email program on the system to convert MBOX file to CSV.
  • Also, MBOX extracted from any email program (OperaMail, Thunderbird, SeaMonkey, Nestscape Mail, Eudora, Mailbird, etc.) can convert into CSV format using this application.
  • It is feasible converting large-sized .mbox file.

Read more:

MBOX to Gmail

MBOX to PDF

Frequently Asked Questions

Will this app allow me to convert 1000 MBOX files to CSV files?

Answer: Yes, the application supports converting unlimited MBOX files to CSV files at once.

Will this method feasible to understand for the users who belong from a non-technical background?

Answer: MBOX to CSV Tool is such an effortless approach to convert MBOX to CSV that anyone can understand it without any specialized knowledge.

Can I evaluate MBOX to CSV efficacy before its procurement?

Answer: Get the free demo of this app it enables to convert 25 .mbox files to .csv files without any charges.

Summing Up

The article provides you several ways to know how to convert MBOX file to CSV in bulk. It is up to users which one to opt for. However, for a professional need you must go with MBOX to CSV Tool. It offers quite advanced level features. Open MBOX to CSV App on Windows Operating Systems like Windows 10, 11, XP, 7, Vista, 8.1, 8, etc. Users can use this finest app on Mac Operating Systems as well, like Monterey, Ventura, Catalina, High-Sierra, etc. Also, do not let free demo facility waste it help you to analyse the software for free, with free demo you can convert 25 MBOX files to CSV files free of cost.