3 steps to open file with VMX extension

Usually solving problems with VMX file is simple – just install proper software and open the file. Read the guide and open VMX file now!

VMX File Extension

File
  • File type VMware Configuration Format
  • File developer VMware
  • File category Settings Files
  • File popularity rating
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What is a(n) VMX file?

The VMX (VMware Configuration Format) file format is a text-based configuration file used to describe virtual machines in the VMware virtualization software. This file contains settings and data associated with the particular virtual machine, such as system resources, disk images, operating system details, and network configuration. It is used to define things like the virtualization platform, memory size, and process priority. The VMX file format is a highly versatile format as it can contain configurations for different architectures and operating systems.

All the settings in the file are labeled in plain text and support easy editing. For example, settings related to virtual machine RAM limits or CPU assignments can be edited quickly and easily within this file. This allows users to configure virtual machines more precisely and reduce the possibility of errors during execution. It is important to bear in mind that changes in a VMX file can lead to improper or incomplete execution of virtual machines.

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How to open VMX file?

There could be multiple reasons for which the system does not support given file. In the case of VMX extension, it is probable that none of the installed programs support given file type. Therefore, user should undertake the following steps

Step 1: Install a program that supports VMX files

If an application that supports VMX files is installed on user’s system, but is not used to open such files by default, right-click on the file icon and choose "Open with" option from the menu. Next, select the proper application and check the "Always use the selected application to open this kind of files" box. The system will store this information in its registry and use the selected program to open files with VMX extension by default.

Hint for Mac OS users

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For Mac OS users the procedure is analogous – open the file menu by right-clicking on the VMX file and choose "Information" option and select "Open with program" option. From the submenu select an application and click on "Change all" button.

Step 2: Find and download proper software

Inability to open VMX files may also be related to the lack of any application that supports given file being installed on the system. Should that be the case, user needs to download and install one of the following applications. Once installed, the system will automatically associate newly installed application with VMX files. If this step fails, see step 1.

Programs that support files with VMX extension

Step 3: Check the VMX file for errors

Sometimes, although relatively rarely, steps 1 and 2 might not lead to expected results. There can be several reasons for such situation to occur:

  • VMX file has been downloaded from the internet but for some reason it is incomplete. In such case the file should be re-downloaded and opened again.
  • Structure of given VMX file could be corrupted and as such the program is not able to open the file
  • Storage medium on which the file was stored is damaged
  • It is important to ascertain that the icon representing given file is not a shortcut a related VMX file no longer present in the location to which the shortcut points
  • If the user account has restricted access privileges it is advised to contact the system administrator or an IT expert

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