Files that back a virtual machine

Every virtual machine is backed by a set of files. The virtual machine configuration file with the .vmx extension holds all of the virtual machine's configuration information. For files associated with a virtual machine, refer to the following table:

Configuration file

File extension

Virtual machine configuration file


Virtual disk descriptor file


Virtual disk data file


RDM mapping file (physical compatibility mode)


RDM mapping file (virtual compatibility mode)


Virtual machine snapshot database


Virtual machine snapshot state file


Virtual machine snapshot delta file


Virtual machine ...

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