Hi All I have just completed a program for converting old macTrack -DATA files (the binary not the text files) to either a text file or a MacTrackX compatible file. Contact me if you want a copy - it is only small (16kb). It should work on any Mac that can run MacTrackX (OSX 10.xx). Wayne Dr Wayne Noble School of Earth Sciences The University of Melbourne Parkville 3010 Victoria Australia. phone int + 3 + 8344 9788 fax: int + 3 + 8344 7761 email: [log in to unmask]