EXPAND

$ expand /?
Microsoft (R) File Expansion Utility
Copyright (c) Microsoft Corporation. All rights reserved.

Expands one or more compressed files.

EXPAND [-R] Source Destination
EXPAND -R Source [Destination]
EXPAND -I Source [Destination]
EXPAND -D Source.cab [-F:Files]
EXPAND Source.cab -F:Files Destination

  -R		Rename expanded files.
  -I		Rename expanded files but ignore directory structure.
  -D		Display list of files in source.
  Source	Source file specification.  Wildcards may be used.
  -F:Files	Name of files to expand from a .CAB.
  Destination	Destination file | path specification.
		Destination may be a directory.
		If Source is multiple files and -r is not specified,
		Destination must be a directory.