You can view EML files with attachments without installing an email client by using automated tools like EML Viewer. MailsDaddy Free
EML Viewer helps you to open and preview EML files, check email message, headers, and attached files without requiring Microsoft Outlook or Thunderbird. It is useful for reading archived emails or checking saved messages directly on your computer without any hassle. With this software, you can access EML files of any EML based email client.