...It is written in java, using the Apache POI libraries ( http://poi.apache.org )
This project was part of a summer scholarship from the School of Engineering and Computer Science at Victoria University, Wellington (http://ecs.vuw.ac.nz) in conjunction with Archives New Zealand ( http://archives.govt.nz ).
At the moment it requires Java 6 to build and run, but this should change soon, and it will run on Java 5 upwards.