Sometime users have multiple EML emails and they want to inspect these emails without installing any email client. Use a dedicated MailsDaddy Free EML Viewer,  helps you open and read EML files, preview email content and headers, and access attachments directly on your computer. 

Simply download the software then add the EML files or folder and see the preview of complete mailbox data.It is useful when you need to read archived emails or check saved messages without using Outlook or Thunderbird. The tool supports EML emails of Mozilla Thunderbird, Outlook Express, and other email clients.