How to Convert EML File to CSV Format in Bulk?

Introduction: Have you ever found yourself staring at a folder containing hundreds or even thousands of .eml files? Moreover, you need to extract crucial information like sender addresses, subjects, dates, and message bodies into a structured, analyzable format. But manually copying and pasting from each file is very hectic. Thus, the solution is to convert EML file to CSV format in bulk. Alongside, converting your email archives to a CSV (Comma-Separated Values) file unlocks the power of your data. You can import it into Excel, Google Sheets, a CRM, or a database for analysis, reporting, migration, or legal discovery. This comprehensive guide will walk you through the most effective methods, from the user-friendly CloudXena EML Converter Tool to a powerful manual method.

Why Convert EML to CSV? 

This process will transform your EML files (unstructured email data) into a structured format (CSV file). It unlocks a wide range of practical applications. The table below outlines the most common and powerful use cases.

Use Case	Description	Key Benefit
Data Analysis & Reporting	Analyze email trends, measure response times, and identify common customer inquiries.	Turns communication history into quantifiable, actionable business intelligence.
CRM Migration	Bulk import lead inquiries or customer communications from an old email archive into a new CRM system like Salesforce or HubSpot.	Ensures a complete and seamless transition of customer history during system upgrades.
Legal & Compliance eDiscovery	Efficiently process, search, and review large volumes of email for litigation, audits, or regulatory requests.	Simplifies legal hold and data discovery processes by making email content easily filterable and searchable.
Backup & Archiving	Create a searchable, long-term archive of email content outside of a proprietary email client (e.g., Outlook).	Preserves important communications in a universal, software-agnostic format for the future.
Building Contact Lists	Extract all sender and recipient email addresses to build or clean a mailing list for marketing campaigns.	Quickly generates a targeted contact list directly from your communication history.

Most Secure Techniques to Change EML to CSV

This section will cover reliable methods for non-programmers and professionals to export EML file to CSV. Here we will cover 03 methods of this conversion.

1. Manual EML to CSV Export (Via Gmail)

This free method to convert EML file to CSV is best for single email files. Here, we will use Gmail email and we will save it as EML files, and then we will change this into CSV for better use.

1. Navigate to your Gmail inbox and click on the specific email you want to convert
2. After that, click the three-dot menu (⋮) in the top-right corner of the email
3. And, select Download message from the dropdown menu
4. Afterward, this saves the email as an .EML file to your computer’s downloads folder
5. Thereafter, launch Microsoft Excel to a blank workbook
6. Then, locate the downloaded EML file and drag it directly into the Excel worksheet
7. Now, click Enable Editing to access the full email content
8. The email will parse into a readable format with headers and body text
9. Lastly, go to File → Save As and choose CSV (Comma-delimited) format

By following this, you can repeat this for other Gmail emails and save them directly to CSV. Although this technique is free, but is very labour-intensive and time-consuming.

2. Free Export EML as CSV via Outlook Method

It is also another free way to save files as CSV. But it requires Outlook to be installed on your system. This method has two major phases to convert EML file to CSV. Follow the steps below:

1. Setup Phase:

1. Enable IMAP in Gmail Settings
2. Generate App Password for Gmail
3. Configure Gmail account in Outlook using the app password

2. Export Phase:

1. Use Outlook’s Import/Export feature
2. Select Export to CSV format
3. Choose folders and complete the export.

Exporting a large Gmail folder (like “All Mail”) through Outlook can be slow. Moreover, it may even crash or hang, as it must sync and process thousands of messages at once.

3. Most Secure Way to Convert EML File to CSV Format in Bulk

The CloudXena EML Converter is the most reliable and trusted solution for your EML to CSV conversion. This user-friendly utility comes with many advanced features such as duplicate remover, date filter, and many more. Alongside this, you can also convert EML to HTML and many other formats directly with this tool. 

Step-by-Step Guide to Change EML to CSV

1. Launch the EML Converter Tool.
2. And, click Select File and add your EML files or folders.
3. Then, preview and choose the emails to convert.
4. After that, select HTML as the output format and apply filters if needed.
5. Lastly, choose a destination path and click Convert.

Now, you have saved all of your .eml files into .csv with this simple process. You can also convert EML File to PDF with these steps. You only need to change the output option from the dropdown key. 

Ending Notes

This blog has walked you through various methods to convert EML file to CSV, along side the reasons to convert to CSV. You can choose the manual method if you have a small amount of data. But if you have big data, you can opt for the user-friendly CloudXena EML Converter Tool. With CSV, this software provides various saving options with a free trial of up to 50 emails. 

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