What is an EML File and How Do I Open It?

 ❘  October 11th, 2021 ❘  3 Views

open EML file online

Summary: This technical article explains to you what is an EML File & how to open EML file in Windows. Further, we will discuss how to change the default app that Windows will use to manage EML files. Instructions are Compatible with Windows 10, Windows 8, and
Windows 7.

What is .EML File?

EML stands for electronic mail or email; it is an email storing file extension that allows users to save electronic mail messages in them. It is a standard file format & compatible with different email clients like Outlook Express, Thunderbird, Apple Mail, Windows Mail, Postbox, etc.

EML Contains the content of the message along with the subject, date, sender, recipient(s) name. Further, it also stores specific or multiple email attachments sent via mail. It all means that you can view EML files on different operating systems and browsers without any restrictions.

How do I Open EML File Online?

  • EML file is an acronym for email and store email messages in plain text formats. You can easily open EML files in various tailor-made email solutions such as Microsoft Outlook (Windows), Apple Mail (macOS), and Mozilla Thunderbird (Platform-Independent).
  • With the help of different web browsers: Google Chrome (multiplatform), Microsoft Edge, and Internet Explorer, you can also open and view the content of an EML file instantly. Only the requirement is to change the extension of the file from .eml file extension to .mht.
  • Via plain text editors, such as Microsoft Notepad and Apple TextEdit, you can open the .eml file. However, the necessity is to replace the extension of the EML file from .txt.

Some Free Email Programs that Open EML File Online

These are some top-notch solutions by which you can easily open and view the content present in the EML file.


  • Microsoft Outlook 365
  • Microsoft Internet Explorer
  • Mozilla Thunderbird
  • Mozilla SeaMonkey
  • SysInfo EML Converter



  • Mozilla Thunderbird
  • Mozilla SeaMonkey
  • KMail

How to Open EML Files?

Most email clients are compatible with EML files and the other apps too. Here, we discuss the different methods to open an EML file:

Method 1: Open the File in a Mail Client

EML is a file extension for an email message saved in the .eml extension. An appropriate way to open the EML file is to use email clients like Outlook, Outlook Express, Thunderbird, Windows Live Mail, etc. Follow the steps and double-click on it to open.

  1. By opening an EML file in an email client, you will get access to save the attachments attached to the file and read the message as well.
  2. If you don’t have an email client or can’t open the files in your specific email client, move forward with the blog.

Method 2: Change the Extension to View it in a Web Browser

As MHTML files are similar to EML Files, thus by changing the extension from .eml to .mht, you can easily open the EML file in Internet Explorer. Other web browsers are compatible with the EML files but did not open them correctly. To-do-so, Implement the steps mentioned:

  • When you use Windows 8, you have to enable file extensions if hidden. In the older version of Win, open the Control panel and choose the folder options. Opt with the View tab and deselect the extensions for known file types.
  • Now, right-click on the EML files and choose Rename from the drop-down.
  • Replace the .eml extension with .mht. A notification showing causes problems with the file. Click ok to confirm the changes.
  • Finally, open the changeable file in Internet Explorer. Set it as the default program to open the MHT files. To-do-so, right-click on the File>> opt with Open with option>> Internet Explorer from the list.
  • Internet Explorer will show the MHT file as the same as the message present in the EML file.

Method 3: View the File as Plain-Text

Still, if you can’t open the EML file via email client and by converting it to Internet Explorer, you can view your EML file as a plain-text file. There will be other not applicable characters, but you will also see your EML file body massage. Further, you can view any images and attachments attached to the chosen file.

  • First of all, select the EML and right-click on it. Go through with Open with Option.
  • Choose Notepad from the list of programs.
  • You have to find the <html> and <body> tags. Check and select the content present in between these sections of HTML code.
  • Find the <a href= tags to find links and copy and paste the URL shown here into a web browser.

Method 4: Free EML Viewer to Open EML File

SysInfo Free EML File Viewer Tool is a safe and risk-free utility to open and read EML file messages without any data loss. Here, you can read all the email information like sender, receiver, mails, etc. In addition, you can open EML files with all attachments to view and analyze them.

win download download

Step-By-Step Guide To Open the EML Files

  1. Download and Run the SysInfo EML Viewer software.
  2. download software
  3. Click on the Add Files button to add EML files from the system.
  4. add files
  5. Here, you can view a pop-up displaying All files added successfully. Click Ok to save it.
  6. clickok
  7. Assign the date range if you want to filter EML files.
  8. assigne date range
  9. You can also select the Naming Convention for the resultant folder.
  10. nameing convention
  11. Click on the Save button to initiate the saving process.
  12. click saave-button
  13. Finally, all files saved successfully, click Ok.
  14. click on ok

How to Open EML file in Windows 10?

Here. I mentioned the easy and simple steps to open EML File in Windows:

  • Select the EML file on Windows File Explorer.
  • If the EML file viewing software is working properly, you can easily view the message in the EML file.
  • In case it does not work, install Microsoft Outlook on your system.
  • To open the EML file in Outlook, you have to start it and Sign In with the required credentials.
  • Select the EML file and drag it on Outlook and drop it.
  • Finally, you can view your chosen EML file.
  • But, if you do not want to use Microsoft Outlook, you can download and install the free EML Viewer.


The blog explains the process to open and read the EML file. The necessary procedures are mentioned, along with screenshots for easy understanding. An advanced tool for quickly opening and reading the EML file is suggested as well.


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