How to Convert MBOX File to CSV? – Manually and Automatically

admin | email migration file conversion how to software technology | 4 minutes read | Modified on: 12-07-2025
mbox to csv

Summary: As we all know, MBOX files are used to save multiple MBOX files in a single file. Also, it preserves and maintains all the details for the exported message, such as email messages, subject line, sender and receiver address, date and time, attachments, and other information.  On the other hand, CSV files are a text-based file format. Also, CSV file stands for comma-separated values file, which is easy to access in tools like Excel and Google Sheets. As a result, it is perfect for managing email data reports, audits, or general analysis. 

In this blog post, we will discuss both manual and professional methods to convert a MBOX file to CSV format. Through this post, you can easily understand how to convert MBOX file to CSV without compromising data quality. 

How to Convert MBOX File to CSV Using Manual Method? 

Converting an MBOX file to CSV format manually requires installing additional MBOX-compatible email clients on your local system, such as Mozilla Thunderbird.

Method 2. Manually Convert MBOX File to CSV Format

  • Download the Mozilla Thunderbird application on your operating system.
  • Tap on the menu and go to Add-ons and Themes.
  • Search for ImportExportTool NG and download it if it’s not already added.
  • After that, close Thunderbird and restart it to enable the extension.
  • Then, locate the folder that contains your MBOX file, then right-click on it.
  • Select the ImportExportTools NG > Export all messages in the folder.
  • Now, select the destination folder and tap on the Export button, and save to finish.

Many Users Avoid the Manual Method to Convert MBOX Files to CSV Format 

With the help of the manual method, you cannot convert an unlimited MBOX file to CSV format in a single process. Also, it does not offer a user-friendly interface, so non-technical users cannot use this manual method to perform this task. Moreover, it can be time-consuming, especially with large files. Also, not preserve all email attachments, hyperlinks, and email formatting during the conversion process. For all these limitations, I would like to suggest the best and reliable tool for quick conversion. 

Method 2. How to Convert MBOX File to CSV? – Automated Tool 

The MailDivert MBOX Converter Tool is the most reliable and authorised program for converting bulk MBOX file from multiple MBOX-supported email applications such as Mozilla Thunderbird, SeaMonkey, Apple Mail, Opera Mail, Dream Mail, and many more. Also, you can convert MBOX file to most common used formats such as PDF, PST, DOC, DOCX, OLM, TXT, HTML, CSV, XPS, RGE, including, cloud based email clients like Office 365, Gmail, Windows Live Mail, Google Workspace, Outlook.com, Yahoo, and many more. Moreover, the software provides a bulk conversion feature, so users can convert a batch of MBOX files to CSV format within a few seconds. The app is developed with an independent nature, so you can effortlessly convert MBOX files to CSV format without installing any email clients like Eudora, Mailbird, Apple Mail, Opera Mail, and so on. The program converts selective MBOX files to CSV format without facing any restrictions. 

The utility offers advanced feature such as save attachments in a separate folder and an embed attachments option to save files along with attachments. With this smart tool, users get various file naming option that helps to get the resultant file accordingly from + date (YYYY-MM-HHMM), from + subject + date (YYYY-MM-DD), etc. Additionally, the software preserves all email properties like Meta header (To, From, Bcc, Cc, Date, sender and receiver address, and more). The application offers a free trial version, so users can download MBOX Converter for free, allowing users to convert the first 25 MBOX files to CSV format without any charges. In addition, the software works on all Windows OS editions like 11(64-bit), 10, 8, 7 (34 bit or 64-bit), and Windows Server 2022, 2019, 2016, 2012 R2, 2008. And it also supports Mac OS editions such as Mac OS X 13 Ventura and all the earlier editions.

Convert the MBOX File to CSV Format Using the MBOX to CSV Converter Tool 

  • Download and install the MBOX to CSV Converter on your local system.
  • Then, choose the required MBOX files that allow users to convert them into CSV format.
  • Now, cross-check all the uploaded MBOX file details before the conversion process on the software screen.
  • After that, select the saving option in CSV format from the list.
  • Now, choose the destination path or file naming option to save the converted file at the desired path.
  • At last, click on the convert button to begin the conversion of the MBOX file to CSV format without any data loss.

Final Thought

Above this blog post, we have described how to convert MBOX file to CSV format. Above section, we have mentioned two main manual and automated tools to convert MBOX files to CSV format. This manual method does not provide a reliable and error-free solution after the conversion. That’s why I want to recommend that you use the automated tool to convert MBOX files to CSV without losing data and formatting. Also, you can check the complete working process of the software by using the free demo version. 

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