Free EML Viewer Tool

Kernel EML Viewer

Kernel EML Viewer is a free tool to read your emails from EML files of any email client like Mozilla Thunderbird, Apple Mail, Outlook Express, DreamMail, etc. Free EML Viewer tool allows quick access to EML file data, without having an email client installed on your machine.

  • Absolutely free to download and use – no credit card information required
  • Read EML files of multiple email clients (Outlook express, Thunderbird, etc.) at a single place
  • Independent tool – No requirement of additional software to view EML files
  • Restriction-free view of all emails
  • Automatic searching of EML files – with an inbuilt recurse subfolders facility
  • Live and detailed preview of emails, within the software interface
  • Easy to operate in three steps – Select, View, and Save
  • Designed to run all Windows platforms: Windows 10, and prior versions

Features of Kernel EML Viewer

Absolutely Free and Reliable

Read all your EML file data in a safe and protective environment of Kernel for EML Viewer. The tool is available for free download and use for the lifetime.

Independent Working– No Installation Required

View your EML file data immediately, without having its native program (email client) installed on your machine. It gives freedom from installing each email client separately, like Mozilla Thunderbird, Windows Live Mail, Outlook Express, etc., in order to view their emails and items.

Automatic EML Scanning

By default, the ‘recurse subfolder’ setting comes enabled in the tool, which allows automatic searching and scanning of all EML files, present on your machine. It displays all the contained subfolders from the selected folder, to make the data items viewable immediately. However, you can manually browse the respective folder and disable this setting anytime, with a simply uncheck option, under the ‘advanced settings’.

Easy to Use

Open your EML files without having any technical knowledge. The tool is friendly to operate, with its three simple steps – select the file, view the folders, and save them.

Designed for Windows PC

Kernel EML Viewer is accessible on all Windows workstations. The wide compatibility support makes a smoother installation on all versions of Windows OS, including Windows 10, 8.1, 8, 7, Vista, XP, 2000, 98, NT, and 95.

Save in HTML

After viewing, the tool also allows the saving of EML files in HTML format, for convenient future accessibility.

Steps to read your EML files

View your EML file data immediately, in three simple steps.


The EML reader tool automatically scans all the stored EML files on your machine and displays them under the folder list. Select the respective folder from the list that you want view.


Scan all stored EML files and display folder list

Read your emails in a spacious preview pane, and also you can arrange the preview, according to your preferences, like: attachment, subject, etc.


Arrange the preview, according to your preferences

After viewing EML files, save them in HTML format for easy accessibility in the future use. The HTML file is saved with a default name Nucleus Kernel Report.


Save EML files in HTML format for easy accessibility
To convert EML file to PST, use Kernel for EML to PST