This blog will cover how to convert EML to JSON file format using both manual and an automated EML to JSON Converter by SysTools without any data loss.

However, there is no direct approach that can help users save EML to JSON effectively. Thus, many users look for smart solution that can keep their email metadata along with attachments intact in JSON format. Furthermore, these emails are stored in EML format, which is compatible with many email clients, but when large businesses or big organizations have to integrate their email data into databases, APIs, or any analytics application, JSON format is taken into consideration.

Without taking any time, let’s quickly discuss best ways to export EML to JSON and importance of EML to JSON conversion.

What You’ll Learn Hide
  1. Why Need to Convert EML to JSON Format?
  2. Quick Solution to Export EML to JSON Format
  3. Manual Approaches to Save EML to JSON File Format
  4. Limitations of Using Manual Techniques
  5. Advanced Utility for EML to JSON Conversion – Step Guide
  6. Conclusion

Why Need to Convert EML to JSON Format?

Before knowing effective solutions, it is necessary to understand actual reason why users are shifting towards JSON format. Here are some listed below:

  1. For Better Integration

Use of high technical software, APIs, and modern applications mostly use JSON format for easy data migration.

  1. Enhanced Data Accessibility

This JSON format allows email metadata to be easily accessed, processed, and analyzed among several programs.

  1. Automation Support

If email data is in JSON format, then many developers can easily automate their workflow with more efficiency.

  1. Improved Data Analysis

Large businesses or organizations can easily filter, sort, and analyze email information saved in JSON file format.

  1. Database Compatibility

EML files cannot be further converted into database format, like NoSQL, but JSON format can be imported into various data management systems.

Quick Solution to Convert EML to JSON Format

If you are working in organizations which deals with large email datasets, then we recommend using SysTools EML Converter Tool. This software allows users to effectively and instantly export email files into JSON format without losing any email metadata and formatting.

 
This dedicated solution permits users to save EML to JSON file along with multiple formats. To understand its working, download this professional software to unlock its advanced features. Also, this offers free trial edition for free EML to JSON conversion.

run

Manual Approaches to Save EML to JSON File Format

In this section, we have explained 2 methods by which you can easily export EML files to JSON format. Here are mentioned below:

  • Use Python Script
  • Try Thunderbird

Read: How to Convert EML to PDF

Let’s understand them along with step guide.

#1: Use Python Script

Steps:

  1. Install Python program in system.
  2. Press Windows+R and type “cmd” and enter it.
  3. Now, paste this script given below and run.

    4. import email

    import json

    with open(“sample.eml”, “r”, encoding=”utf-8″) as f:

    msg = email.message_from_file(f)

    data = {

    “subject”: msg[“Subject”],

    “from”: msg[“From”],

    “to”: msg[“To”],

    “date”: msg[“Date”]

    }

    with open(“output.json”, “w”) as json_file:

    json.dump(data, json_file, indent=4)

  4. Replace demo file with EML file name.
  5. Finally, your EML file will be saved in JSON format.

#2: Try Thunderbird

Steps:

  1. Open Thunderbird on your system.
  2. Navigate to location of stored email files.
  3. Now, drag and drop into new Thunderbird folder.
  4. Copy its information using CTRL+C and paste it into text editor by CTRL+V.
  5. Then, you have to enter email fields manually in JSON format.

    6. {

    “subject”: “SEO Update”,

    “from”: “[email protected]”,

    “to”: “[email protected]”,

    “date”: “2026-06-24”,

    “body”: “Update has been rolled out successfully.”

    }

  6. At last, save new file with .json extension.

Limitations of Using Manual Techniques

  • If you have large volume of EML files, then it might slow down process, which leads to failure of script.
  • It requires installation of Thunderbird client for transforming EML files to JSON format.
  • Above methods need advanced technical knowledge to operate.
  • Very time taking process for batch conversion of emails to JSON file.
  • High risk of data loss while exporting EML files to JSON format.

Professional Software to Convert EML to JSON – Step Guide

To prevent these above challenges, we recommended everyone using expert certified solution to save emails to JSON format. Let’s walk to its working.

 

  1. Download and Install SysTools EML to JSON Converter Tool

    2. run

  2. Choose EML files from left side panel to system.

    3. add eml files

  3. You can also view EML files using their previewing mode, like Hex, MIME, etc.

    4. preview

  4. Now, tap Export option to bulk convert email files to JSON effectively.

    5. export

  5. Choose JSON format to export EML to JSON file format.

    6. json

  6. After that, click on Advanced Settings and add filters like naming convention, date filter, etc.

    7. advanced settings

  7. Browse your Destination Path to store resultant JSON file.

    8. path

  8. Finally, click Export button to start EML to JSON conversion process.

    9. export

Pro Tip: If you need to read, edit, and analyze JSON structure into readable formats such as PDF, CSV, DOC, DOCX, XLS, and more. Use a dedicated JSON Converter Tool to convert .json files into easy-to-read format quickly.

Conclusion

In this article, we have discussed how to convert EML to JSON file format while preserving email attachments and other formatting intact. Whether you are working with fewer emails, you can quickly use Python script or Thunderbird to save EML to JSON. However, it cannot be very reliable and accurate. In such case, we recommend using an EML to JSON Converter by SysTools. If one is facing any problem, then contact our support via live chat, which is available for all.