How to Open MBOX in Foxmail?

Bhawna Barwal | Email Conversion email migration file conversion How to's Software Technology | 4 minutes read | Modified on: 02-03-2026

Searching for how to open MBOX in Foxmail? Managing email data across different email clients can sometimes be hectic, especially when file formats are not compatible. One common issue users face is trying to open an MBOX file in Foxmail. Since, Foxmail does not support the MBOX format directly, users must convert the file into a compatible format such as EML. In this detailed guide, we will explain what MBOX files are, and how to successfully access MBOX emails in Foxmail using two effective methods such as MBOX to Foxmail Converter (Professional Method) and Manual Method via Mozilla Thunderbird. By the end of this blog, you will have a complete understanding of both approaches and be able to choose the one that best suits your needs.

Let’s Understand MBOX and Foxmail

MBOX is a popular mailbox file format used by several email applications, including Mozilla Thunderbird, Apple Mail, and Eudora. It stores multiple email messages in a single file, making it easy to manage and transfer large volumes of emails. On the other hand, Foxmail stores emails in EML format. Unlike MBOX, the EML format saves each email as an individual file. Because of this structural difference, Foxmail cannot directly import or read MBOX files. Therefore, to open MBOX in Foxmail, you must first convert the MBOX file into Foxmail compatible format.

Import MBOX in Foxmail Using MBOX to Foxmail Converter

CubexSoft MBOX Converter– The most efficient and reliable way to open MBOX files in Foxmail. This method is especially recommended for users who have large MBOX files or multiple mailboxes to migrate. This professional conversion tool is designed to handle large volumes of email data while maintaining data integrity. They simplify the entire process and minimize the risk of data loss.

Key Benefits:

  • Bulk conversion of multiple MBOX files
  • Maintains original folder hierarchy
  • Preserves attachments and metadata (To, Cc, Bcc, Subject, Date)
  • Reduces manual effort
  • Saves significant time

How to Open MBOX in Foxmail? – Step-by-Step Process

Step 1: Install the MBOX to EML Converter Tool

Download and install the software on your computer.

Step 2: Add the MBOX File

Launch the software and click on the option to add files and browse your MBOX file using “Select Files” and “Select Folder” options. The tool allows you to preview the contents before conversion.

Step 3: Choose EML as Output Format

Select EML as the desired export format from the available list of output options.

Step 4: Select Destination Folder

Choose a location where the converted EML files will be saved.

Step 5: Start the Conversion

Click on the Convert button. The tool will begin converting the MBOX files.

Step 6: Import EML Files into Foxmail

After conversion:

  1. Open Foxmail.
  2. Create a new folder if needed.
  3. Drag and drop the converted EML files into Foxmail.
  4. Your emails will now be accessible within Foxmail without any compatibility issues.

When Should You Use the Converter Method?

  • You should consider using a professional tool if:
  • Your MBOX file size is large
  • You have multiple MBOX files
  • You need to preserve email structure accurately
  • You want a fast and error-free solution
  • For business users and IT professionals, this method is generally the safest and most efficient.

Manual Method to Import MBOX to Foxmail

If you prefer a free solution and have a smaller number of emails, you can use a manual workaround. This method involves using Mozilla Thunderbird as an intermediary platform to export MBOX emails into Foxmail compatible format. Although this method is free, it requires technical knowledge and patience.

Step 1: Install Mozilla Thunderbird

Download and install Mozilla Thunderbird on your computer if it is not already installed.

Step 2: Install ImportExportTools NG Add-on

To import MBOX files into Thunderbird, you need an add-on called ImportExportTools NG. For this:

  1. Open Thunderbird.
  2. Go to Add-ons and install ImportExportTools NG.
  3. Restart Thunderbird if required.

Step 3: Import the MBOX File

  1. After installing the add-on:
  2. Right-click on a folder in Thunderbird.
  3. Select “ImportExportTools NG”.
  4. Choose “Import MBOX file.”
  5. Browse and select your MBOX file.
  6. Thunderbird will now display all the emails from the MBOX file.

Step4: Export Emails as EML

  1. Once the MBOX file is successfully imported:
  2. Right-click the imported folder.
  3. Select “Export all messages in the folder.”
  4. Choose “EML format.”
  5. Select a destination location.
  6. Thunderbird will export all emails as separate EML files.

Step5: Import EML Files into Foxmail

Limitations of the Manual Method

While the manual method is free, it comes with several drawbacks:

  • Time-consuming process
  • Requires installing additional software and add-ons
  • Risk of human error
  • Not suitable for large or multiple MBOX files
  • May not maintain folder hierarchy properly
  • For small migrations, it can work well. However, for large-scale email transfers, it may become impractical.

Read more

How Do I Import MBOX to GoDaddy

Epilogue

Resolving how to open MBOX in Foxmail requires converting the file into EML format because Foxmail does not support MBOX directly. Fortunately, there are two reliable ways to accomplish this. If you want a quick, secure, and professional solution, using an MBOX to Foxmail Converter tool is the best option. It ensures data accuracy, saves time, and supports bulk migration. Ultimately, the right choice depends on your technical expertise, the size of your MBOX file, and how quickly you need to complete the task. By following the steps outlined in this guide, you can successfully open MBOX files in Foxmail without losing important email data.