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How to Convert MBOX to CSV File Format on Windows?

Written By
Nick Rogers
Published On
September 25th, 2023
Reading Time
8 Minutes Reading

Overview: This blog will explain the perfect solution to convert MBOX to CSV format. Also, users will learn how to merge CSV files in batches. If this is what you need, then continue with this blog.

We all know that MBOX has been supported by most applications, such as Thunderbird, Gmail, SeaMonkey, Apple Mail, etc., to store email messages. A single MBOX file contains a lot of persistent data about a particular email account.

On the other hand, CSV (comma-separated values) is a list of data that contains information in specific rows and columns. Most of the users prefer to save the data in CSV format because everything has been maintained properly.

A lot of users want to open MBOX files in CSV format along with attachments for several reasons. We have come up with one of the best solutions to import MBOX to CSV; kindly check them out.

“Hi, I have a lot of Thunderbird MBOX files present in my system, and I want to convert them into CSV format to get the data properly in separated columns, and it will also help me to carry out the contacts from the MBOX file. I have been trying to find a solution for the last 4 days but have failed to find it. Can anyone guide me about one of the best MBOX to CSV Converter Software?”

—User Query

Ease Steps to Convert MBOX to CSV

  • Install Thunderbird on computer and go to File and Import
  • Import MBOX emails into the email client
  • Install ImportExportTools NG Add-ons into Thunderbird
  • Export all messages in the folder” and choose CSV format

How do I convert file from MBOX to CSV?

Converting MBOX (mailbox) files to CSV (comma-separated values) files can be useful when you need to extract and organize email data for various purposes, such as data analysis, migration, or archiving. In the section below, we will guide you through the process of converting MBOX to CSV using different methods.

Method 1: Using an Email Client (Thunderbird)

  • First, if you don’t already have Thunderbird installed on your device, download and install it.
  • Configure your email account(s) within Thunderbird if you haven’t already.
  • In Thunderbird, go to File > Import > Import Everything.
  • Select the file you want to convert from MBOX to CSV.
  • Thunderbird will import the emails from the MBOX file into your account.

Export emails to CSV:

Once you have imported MBOX emails into Thunderbird, export them in CSV file format.

  • Install the “ImportExportTools NG” add-on from the Thunderbird add-ons store.
  • Go to your Thunderbird mailbox.
  • Right-click on the mailbox folder containing the imported MBOX emails.
  • Choose “ImportExportTools NG” and select “Export all messages in the folder” and choose CSV format.

Configure CSV Export Options:

  • Set the delimiter to a comma (,).
  • Choose the fields you want to export (subject, from, to, date, etc.).
  • Click “OK” to export the emails as a CSV file.

This method to convert MBOX emails to CSV depends on the email account. If you want to easily convert MBOX to CSV independently and in just a few minutes, regardless of the data size, consider the following method:

Method 2: Instant Solution to Convert Files from MBOX to CSV

We suggest you use one of the unified utilities, the 4n6 MBOX Converter Tool, to convert MBOX file to CSV format with attachments. This utility provides the user’s enhanced features and can easily be used by both technical and non-technical users. Also, it provides a filter search option to search for some specific email using a particular intent.


The MBOX to CSV Converter Tool converts your files to Excel CSV in bulk in a single cycle without any loss of data. It also acts as the MBOX viewer tool, as it enables you to examine MBOX files in detail. Just download the free online conversion tool and continue with the process.

How to Convert MBOX to CSV File Format? Check Steps

  • Download, Install and Run the MBOX to CSV Converter Software in your existing system in order to convert MBOX file to CSV.
    download mbox to csv converter
  • Go to the Open Menu >> Email Data Files >>MBOX Files
    click open and select mbox
  • Browse MBOX files and get them into the MBOX to CSV Converter.
    browse mbox files
  • Check out the complete preview of your MBOX files before conversion.
    view mbox before conversion into csv
  • After that, Open the Export Menu and Select CSV as the file format from the drop-down list.
    select csv option

Note: As you can see in the screenshot above, there are so many export options provided by the software. Hence, if you want to import MBOX into Outlook, you may select the PST as export option. Or if you want to want to import MBOX files to Roundcube or any other Webmail service like Zoho, you may select the IMAP saving option.

  • Browse the destination path and click on Save button to convert MBOX to CSV.
    convert mbox to csv

Wait for a couple of minutes and see the final exported message. By clicking on the Open Folder, you can see the resultant Excel CSV file.

How to convert MBOX to CSV file format safely query has been removed successfully.

Here is a YouTube Video that Shows You Step-by-Step Process on How to Convert from MBOX to CSV

Features of MBOX to CSV Converter:

  • The tool allows users to bulk convert MBOX to CSV in a single operation with email attachments.
  • Users are able to download email addresses, phone numbers, and attachments separately with this MBOX to CSV Converter software.
  • You may preview MBOX files prior to conversion with this software. For forensic purposes, you may also read MBOX emails in hex and raw formats.
  • It is possible to transfer the data to multiple file formats and email services.
  • The advanced filter option allows searching for a particular email using different intents such as filename, file size, To, Cc, Bcc, Email Header, and other keywords included in an email.
  • The MBOX to CSV tool is compatible with all versions of Windows OS, such as Windows 7, 8, 10, Windows Vista, and Windows XP.
  • You don’t need to do any kind of extra installation, as it is enough.

Note: This MBOX to CSV Converter online provides two versions – the Free Trial version and the Purchase version. You may use the free version to test the tool and convert MBOX file to CSV as well as TXT, PST, PDF, EML and more to a limited extent. Then for unlimited conversion you may buy the license key.

  • The free trial version allows the conversion of 10 MBOX files from each folder.
  • The licensed version allows the transfer of unlimited data and starts increasing its performance day by day.

Frequently Asked Questions

Question 1: What is MBOX, and why would I need to convert it to CSV?

A: MBOX is a file format used for storing email messages. You might need to convert MBOX to CSV to organize, analyze, or migrate your email data. CSV is a widely supported format for tabular data that can be easily imported into spreadsheet software and databases.

Question 2: How do I locate the MBOX file in my email client?

A: The location of MBOX files varies depending on your email client. In Thunderbird, you can find them in your profile folder. In Apple Mail, look for the “Mail” folder within your user library.

Question 3: Is there a free method to convert a MBOX file to CSV?

A: Yes, you may initially use the 4n6 MBOX to CSV converter for free for conversion from MBOX to CSV. Also, you may use email clients like Mozilla Thunderbird for free conversions.

Question 4: What are the limitations of converting MBOX to CSV?

A: Converting MBOX to CSV may result in some data loss, especially if your emails contain complex formatting or attachments. CSV is a simplified format primarily for text-based data.

Question 5: How do I import the resulting CSV file into spreadsheet software like Excel?

A: To import a CSV into Excel, open Excel, go to the “File” menu, select “Open,” and choose the CSV file. Excel will guide you through the import process.

Question 6: How many files will I be able to convert from MBOX to CSV at once?

A: You can transfer multiple or even unlimited numbers of MBOX files to CSV format in a single operation.

Question 7: Can I use this MBOX to CSV Converter on the Mac OS system?

A: No, the MBOX to CSV Converter does not support any versions of Mac OS. However, you may use it to convert MBOX to CSV of any version on Windows.

Final Words

We have provided you with the best ways to convert MBOX to CSV. You can easily convert a file from MBOX to CSV using an email client. Alternatively, you may use the best MBOX to CSV converter for bulk conversion of files without any email client. Most professionals also recommend the pro software to carry out the conversion process. You may download the tool from the link above and start working on your task right away.