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VMOptimizer is a specialised tool for optimizing VMWare Fusion virtual machines. VM files are actually a directory full of files, each of which holds data for part of the virtual machine’s disk. As such, the individual files can be fragmented; the internal structure of the VM file can be fragmented; and the filesystem stored within it can be fragmented.

Just defragmenting the files won’t fix this (it only fixes one of the three problems). Just defragmenting from the guest operating system won’t fix it either (again, it fixes one of the three problems).

What's New

Version 1.0.7:
  • VMOptimizer is now free. Please read the included Read Me file for instructions on activation.


  • OS X 10.6 or later

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2 4


Current Version (1.x)


Downloads 10,178
Version Downloads 517
License Free
Date 03 Mar 2015
Platform Intel 64 / OS X / Intel 32
Price Free
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