VMX - VMware Configuration File is a terrific configuration file that is used mainly for and by VMare virtualization software. You can use this type of extension through VMware Workstation and even VMware Fusion. This extension is handy and useful because it actually saves settings for a machine that is very virtual and convenient. Everything that is created through this extension is also up to date. You will be able to benefit from the memory, as well as the hard disk that comes along with this program. Everything is also saved in a plain text format, and you will be able to locate everything a lot easier. Everything that is saved is also listed in simple property values such as 512, which means 512MB of RAM. This allows you to know how much memory will be allowed for your virtual machine. This machine is beneficial if you have supporting programs that you can use along with it.