Best Ways to Convert MBOX to CSV Format on Windows/Mac

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  • Updated On:
    August 5th, 2025
  • Read Time:
    5 minutes

Summary: Backing up or archiving emails is crucial for regulatory, organizational, or future preferences. But when stored in MBOX format, it becomes difficult to access and search without specialized software. For better accessibility, users opt to convert MBOX to CSV. When converted to CSV, the data is presented in a structured and simplified format. But how can one begin this conversion process? Whether using Mac or Windows, this blog shares an expert MBOX Converter tool and a free solution for MBOX to CSV conversion. Scroll down to explore the topic in more detail.

Why Convert MBOX File to CSV?

Converting MBOX files to CSV format simplifies both email organization and management. The following are the reasons for converting MBOX to CSV:

  • One can open CSV files on multiple platforms with no email software required. 
  • Converting to CSV simplifies email management. Emails can be easily sorted, filtered, and organized.
  • CSV format provides structured records that are ideal for regulatory reviews and audits.
  • CSV files are compact and, therefore, are suitable for archiving emails.
  • The email fields stored in CSV format can be easily integrated with external tools, databases, and management systems. 
  • The Spreadsheet (CSV) search functionality instantly retrieves messages as compared to an MBOX file. 

How to Convert MBOX to CSV?

Converting the MBOX file to a CSV format seems like a challenging task. But using the right approach will simplify the MBOX to CSV conversion. In this section, we will look at both manual and automated ways for the conversion process. 

Manually Save MBOX Files Into CSV Format Using Thunderbird

Using this method, one can easily convert their MBOX file into CSV format using Thunderbird’s add-on. 

Follow the steps to convert your MBOX file to CSV format:

Step 1: Import the MBOX File into Thunderbird

  1. The first step to import MBOX files to Thunderbird is to open the Thunderbird application. 
  2. Then, head towards the Menu icon and click on Add-ons and Themes.
  3. Now, search ImportExportTools NG and download it.
  4. After that, press Add to Thunderbird and restart the application.
  5. Look through and right-click on Local Folders > ImportExportTools NG > Import mbox file.
  6. Now, browse and open your .mbox file.

Step 2: Export Emails to CSV Format

  1. Once the MBOX file is imported into the Local Folders, right-click on it.
  2. Now, choose ImportExportTools NG > Export all messages in the folder > Spreadsheet (CSV) format.
  3. Then, choose the destination to store your CSV file. 

Shortcomings of the Manual Method

  • Setting up Thunderbird and installing the ImportExportTools NG add-on requires technical knowledge. Therefore, this task becomes complicated for technical users.
  • The resultant exported CSV file may not retain the formatting correctly.
  • Using the manual method, handling multiple MBOX files can become cumbersome.
  • The manual steps only export the emails. To convert the attachments, the user must do so separately.

Effortlessly Convert MBOX to CSV File Format

The MBOX to CSV Converter is a trusted, verified, and secure professional choice to bulk convert MBOX files to CSV. The tool effortlessly converts MBOX files into a wide range of formats, including PST, EML, EMLX, and PDF. The user can also import their MBOX email files into various email clients like Gmail, Hotmail, etc. Also, the user can preview both the contents and attachments before the conversion. Moreover, the built-in duplicate remover automatically skips the duplicate emails, saving both time and storage space. 

Simple steps to convert MBOX file to CSV:

  1. To begin with, download and launch the tool on your desktop.
  2. Then, press the Continue button to proceed further.
  3. Now, click on the Add File option, browse your .mbox file, and tap Open to add it.
  4. Afterwards, expand the folder tree, select the files/folders, and preview the contents.
  5. Then, click Next and choose the saving File Format as CSV.
  6. You can also choose the additional settings to further refine the conversion process.
  7. Now, tap Path to Save to select the destination folder to store your resultant file. 
  8. At last, click the Convert button.

Conclusion

To wrap up, the ability to convert MBOX to CSV seems challenging, but it becomes easy with the right approach. The manual method uses Mozilla Thunderbird and gets the job done for smaller conversions. It has significant limitations such as limited formatting, technical setup, etc. On the other hand, the professional MBOX to CSV Converter offers a user-friendly experience. Not only does it handle bulk MBOX files, but ensures data accuracy and reliability. For a reliable, secure, and hassle-free solution, the professional tool is the better choice.

You May Also Read: Convert MBOX files to EML

Frequently Asked Questions

Q- Can I convert a MBOX file to CSV manually without using paid tools?

Ans- Yes. There is a manual procedure to convert the MBOX files to CSV format using the Thunderbird email client. For this, you need to first install the ImportExportTools NG in Thunderbird. Then, using this add-on, import the desired MBOX file. Next, export the MBOX file emails into a CSV format.

Q- Why should I choose a professional tool over a manual method to convert MBOX to CSV?

Ans- Choosing the professional tool over the manual method bypasses its limitations. Also, the professional tool can be used by both technical and non-technical users. Moreover, using the tool instantly does the job without any data loss. Whereas the manual method does not guarantee the risk of errors and data loss.

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About The Author:

Sachin Prajapati is an experienced technical content writer with a passion for simplifying complex topics. Specializing in email and cloud migration solutions, he crafts informative and reader-friendly content that empowers users to understand and manage their digital tools more effectively. His insights have been featured on several respected tech platforms, earning the trust of a wide audience.

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