msicab -x[flt] <msi|msm> <dir>
  extract files from cabinet to directory
  -f  flat, no subdirectories
  -l  use long names
  -t  use file tokens instead of filenames
msicab -r[m] <msi|msm> [<file|dir>]+
  replace files in cabinet
  -m  update ModuleSignature.Version
msicab -c[u] <msi|msm>
  check file versions, error if incorrect
  -u  update MSI versions to match files