EML Viewer for Windows 8 is a way to view EML attachments in the built in Mail app. Being desperate for a way to view attached emails in Mail, this app was written as a quick and dirty solution, as a result it doesn’t do a couple things are it does not support viewing or saving of attachments within an EML File, viewing embedded images within a EML File, and forwarding or editing an EML File.
Parallels is the fastest, easiest, and most powerful option to run Windows on your Mac. Data can be shared between Mac and Windows and switching between the two is as simple as switching screens. Run it On Mac recommends Parallels as the #1 best way to run EML Viewer on your Mac desktop or laptop.
Pros: Very Cost-Effective; Easily transfer files; Easily switch between Windows & Mac.
Cons: May see a slight decrease in performance; Cost varies from $50-80 for a personal license.
Boot Camp is a boot utility included with most Apple desktop and laptop products that allows users to install a Windows operating system alongside the native macOS/OS X operating system. Using Bootcamp is a relatively technical process and should probably only be undertaken by someone who understands the process.
Pros: Free; Good option if you need high performance or are using an older machine.
Cons: Switching between operating systems requires a restart; difficult, technical installation process.
