File Extension Library

.VMX File Extension

  • Developer by: VMware
  • Category: Settings Files
  • Format: Text

What is an .VMX file?

.VMX file extension is created by VMware. .VMX has been classified as Settings Files. The format of .VMX file is Text.

.VMX is VMware Configuration File

Configuration file used by VMware virtualization software such as VMware Workstation and VMware Fusion; stores settings for a virtual machine created with the New Virtual Machine Wizard; includes the memory, hard disk, and processor limit settings; enables a virtual machine to be started in the software.

VMX files are saved in a plain text format and contain a list of settings in the form of property = value. For example, the setting for the memory limit may be memsize = "512", which means that 512MB of RAM is the maximum memory allowed for the virtual machine.

VMX files saved for VMware Fusion are generally stored within a .VMWAREVM package.

NOTE: If the virtual machine was created with an earlier Linux version of VMware Workstation, the configuration file may use the .CFG extension.

List of all softwares that can open the VMware Configuration File
VMware Workstation 14 Pro
VMware Fusion 10
VMware Workstation 14 Pro
File Type 2:

Cubase Mixer Settings File

Category: Settings Files Format: Binary

Configuration file used by Steinberg music production software programs, such as Cubase and V-STack; contains channel and effects settings for an audio mixer; used to save and load custom mixer configurations.

List of all softwares that can open the Cubase Mixer Settings File
Steinberg Cubase
Steinberg Cubase
File Type 3:

Valve Map Backup File

Developer by: Valve Category: Game Files Format: Text

Map backup file created by Source SDK, an SDK used to modify games provided by Valve's Steam gaming service; contains a backup of a .VMF map file created by the Hammer Editor component of the Source SDK.

Hammer Editor automatically create a VMX file when a VMF map file is saved. Therefore, they can be used to revert a map back to the last save point.

List of all softwares that can open the Valve Map Backup File
Valve Source SDK

How to Open .VMX file on different platforms

Open .VMX File on Windows

  • Right-click a .VMX
  • Left-click "Open With" > "Choose another app"
  • Select the program that opens .VMX file and Select check box "Always use this app to open .VMX files" Press "Ok"

Open .VMX File on Mac

  • Right-click (or Ctrl + Left-click) the .VMX file
  • Click "Open With" > "Other.."
  • Then choose another program from the app list and press "Open"
  • Select check box "Turn on" for "Always open in app"

Open .VMX File on Linux

Right click on the .VMX file, choose "Open with" and select a program from the list above

Open .VMX File on iPhone

Select a file. If you don't see an application to open the .VMX file, tap "Share" and choose the right app.
Method 2
Save the file. Then open the app «Files». Touch and hold the file, then release your finger. You will see a black menu bar. After that tap "Share" and select an application.

Open .VMX File on Android

Tap the Settings icon on an Android smartphone, then select «Applications». Click the Settings icon in the upper right corner of the screen, to change the default apps.
If you want to open, edit, save or even convert .VMX files on Android, then your best bet is to download one of the dedicated apps available on Google Play.

How to fix problems with .VMX files

  1. You need to update the application that you normally use to open .VMX files. Only the latest version of the software supports the current .VMX file format
  2. You need to check the .VMX file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)