If you need to view and analyze EML files with their attachments, the easiest approach is to use a dedicated EML viewer instead of configuring an email client.

I recently worked with a large collection of EML files and found that a specialized viewer makes the process much faster. A tool like SysTools EML Viewer tool allows you to open EML files along with attachments, inspect email headers, review metadata, and perform advanced searches across multiple messages.

Link: https://www.systoolsgroup.com/eml-viewer.html

For basic viewing, you can use the free version of the viewer to read email content and access attachments. If you need deeper analysis for investigations, audits, or eDiscovery, the Pro and Pro+ editions provide features such as:

View EML files with all attachments intact

Analyze email headers and message properties

Search emails by sender, recipient, subject, date, and content

Preview attachments without altering original data

Export emails to formats such as PDF, MSG, PST, and CSV

Process multiple EML files in bulk

This method is particularly useful when Outlook, Thunderbird, or other email clients are not installed, and you need a quick way to examine EML files while preserving the original evidence.