VMware Suspended State File
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What is a VMSS file?
A VMSS file saves the state of a virtual machine (VM) when it is in a suspended state, meaning that it has been stopped temporarily. VMware virtualization software creates a VMSS file automatically when a user suspends a VM, allowing them to stop and resume a VM.
VMware Fusion and VMware Workstation are operating system virtualization applications that enable you to run multiple VMs on a single machine. Suspending a VM allows you to stop a VM and deallocate it from using system resources. This is helpful because it allows you to switch between multiple VMs without overloading your system.
Location of VMSS files
VMware virtualization software automatically creates and saves the VMSS file in the VM file when pausing the VM. For example, Fusion saves the VMSS file in the .VMWAREVM file, which you can find in the following location (Fusion saves it here by default):
Macintosh HD/Users/[username]/Virtual Machines
When you resume a VM, the virtualization software deletes the VMSS file. Therefore, the VMSS file only exists while the VM is suspended.
Common VMSS Filenames
[VM name].vmss - The name of the VMSS file is the same name as the VM. For example, the VMSS file for a "Windows 10" VM is Windows 10.vmss.