Converting ESRI .lpk files to Shapefiles for use in QGIS 2

Converting ESRI .lpk files to Shapefiles  for use in QGIS
ESRI ArcGIS can export compressed geographic files using the ‘LPK’ file extension. ESRI also have a number of datasets available for free download on their website that use this extension, e.g. the popular North America Postal Areas and Zip Codes datasets. Unfortunately the LPK extension is a proprietary extension not directly supported by other tools, ...