The Energy.gov has all the .idf files updated to version 7.2 based on regions. I tried one of the buildings to convert using the updater included in EP-8.3, which failed with a statement that the converter 7.2 to 8.2 is not unavailable. Unfotunately I can't find any of the updater addons on EERE, or big ladder or energyplus site. Can anyone share the location of such old version updaters or any other trick to batch update these to 8.2.
http://energy.gov/eere/buildings/new-construction-commercial-reference-buildings