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How to Convert EML Files to HTML Format in Bulk?

Published By Jamie Kaler 
Rollins Duke
Approved By Rollins Duke
Published On October 27th, 2023
Reading Time 7 Min Read
Summary: In this article, you will learn how to convert EML files to HTML files in simplified steps without requiring Python, Java, or C# coding. Here we are going to use the manual method and the best EML to HTML converter with all the details and a step-by-step guide.

EML files are developed to store email messages and all their components in a plain text file format. The EML files are structured with a Header and main body having the content. The Header contains the information regarding the email sent/receive address, Subject, Data, etc. Metadata details.

The main message area of the email is described as a body containing all email content, information, embedded hyperlinks, inserted attachments & objects. EML Files are created by a large number of email clients including Windows Mail, Windows 10 Mail, Windows Live Mail, eM Client, IBM Notes, Kerio Mail Server, Zarafa Mail, Zimbra, The Bat, Outlook Express, SeaMonkey, etc.

Mostly Webpages are designed as HTML files which are supported on various Web Browsers including Safari, Chrome, Edge, Firefox, etc. HTML files describe the structure of any document by defining certain rules and tags like Headings, Paragraphs, Links, etc.

HTML files can also describe semantics to include other scripting languages i.e., JavaScript which can affect the behavior of the Web Browser during the HTML file process.

Why Do Users Need for EML to HTML Conversion?

“I’m looking for a way to use Thunderbird in the command line to open a .eml file and to save it as HTML. I’m currently on a project where EML files are stored in a database and I want to render them in a web browser so the end-user can see it without opening the file in his Thunderbird.

I tried some PHP classes but none had a correct output and I don’t want to download/install one of the many non-free programs that can do it. Is there any extension or hidden command line or any way to convert EML to HTML using the command line with Thunderbird? – Catherine Johnson, Amsterdam

“I am trying to create a JS script to open and view the EML file. But till now I am stuck and with no way to go further. Can someone give me some directions? I was planning to post back my findings here with code so others can benefit too. – David from Florida

How to Convert EML to HTML Format Manually?

  1. Locate the EML files on your system.
  2. Rename it from .eml to .mht extension.
  3. Open this renamed file in Internal Explorer.
  4. After opening, click the CTRL + S keys.
  5. Choose HTML as the saving type and select the path.
  6. Lastly, click on the Save icon.

And your EML files will save in HTML format easily. But this method has some limitations such as: users have to repeat the same process again and again for each email.

If you want to convert EML to HTML in bulk at once, then you should use the explained EML to HTML converter tool.

EML to HTML Converter: Recommended Solution

As we can easily analyze from the above queries. A large number of users are looking for an easy way to export EML files as HTML documents without any Python, Java, or C# programming coding. It has now become much easier for users to save EML messages on Web pages with the help of third-party applications.

One such advanced solution is RecoveryTools EML Migrator software. Using this software one can easily bulk convert multiple EML files as HTML files. There is no EML-supported application needed as the software is completely standalone to perform its work.

EML to HTML Converter software Free Download from given Download Button:

Quick Steps to Convert EML to HTML in Bulk

  1. Step 1: Install the EML to HTML converter.
  2. Step 2: Add EML files and folders to the tool.
  3. Step 3: Select the required folders/subfolders.
  4. Step 4: Choose HTML as the saving type.
  5. Step 5: Select the location and hit the Convert icon.

How to Convert Multiple EML Files to HTML Format in Bulk?

  1. Install the setup on your Windows PC & then read all instructions.

    EML to HTML converter

  2. The software will ask the users to load the EML Folder by clicking on the Select Files and Select Folders options.

    load the EML Folder

  3. All the EML files will appear on the software panel, check and uncheck the required files from here.

    required files

  4. Click on the Select Saving Option and select the HTML option from the drop-down.

    Select Saving Option

  5. Hit on the Filter Options and enable the Advanced Settings for Filter Saving option for selective EML to HTML conversion.

    Advanced Settings

  6. Apply the File Naming Option to manage your converted HTML files in a good manner.

    File Naming Option

  7. Browse the destination as per your choice using the Browse button.


  8. Lastly, click on the Convert button to convert EML to HTML in bulk.

    convert EML to HTML in bulk

  9. After the successful process, click on the OK button and a confirmation message will appear.

    confirmation message

Advantages of EML to HTML Converter

  • Easy & Simple User Interface: The software is designed with advanced algorithms in a simplified way so that users will not face any issues during EML to HTML file conversion. It is a self-developed tool without requiring any online solutions or any internet connection.
  • Retains Metadata & Email Formatting: The software maintains and preserves all the Metadata properties of EML files including such as email headers, formatting (color, layout design, font style, font size) Metadata (Bcc, Cc, To, Subject, From), content and hyperlinks, etc.
  • Convert EML to HTML with Attachments: The software allows us to batch export to convert all EML files to HTML file format along with attachments.
  • Several File Naming Conventions: The EML to HTML Conversion allows the users to set up various File Naming options. Any user can save email with exact formatting of information such as Subject, From + Date + Subject, Date + From + Subject, etc.
  • Bulk & Selective EML to HTML Conversion: The software allows users to convert multiple EML files to HTML format in bulk at once without having file size limitations. after adding the file, users can easily choose the required files and folders.

Frequently Asked Questions

  • How to convert txt document to HTML?
    1. Open your TXT file.
    2. Click on File >> Save As.
    3. Remove .txt and enter .html extension.
    4. Browse the path and save this file.
  • What is HTML format?

    Ans: HTML stands for HyperText Markup Language, which is like a special code for making documents on the computer. It uses regular text and gives instructions to a program (like a web browser) on how to show different kinds of information.

  • Does Outlook convert to HTML?

    Ans: Yes, Outlook can convert to HTML format, first, we have to upload email in Outlook. All the steps are mentioned below:

    1. Open an Outlook account.
    2. Open the required email.
    3. Click on the File >> Save As option.
    4. Choose HTML as type option.
    5. Browse the location and Save icon.

The Verge

In this article, we get to discuss various aspects to convert EML to HTML in bulk. We mentioned about manual method and the Best EML to HTML Converter software that will work for the users and help them to accomplish the conversion process. The manual method is suitable for a limited number of EML files and if you have large number of emails, then you should use the RecoveryTools converter.