24 Kirkland Dr
Stow, MA 01775
For technical assistance with ExpertGPS, please see our Support page or use the help options on the Help menu in ExpertGPS.
Since 1998, TopoGrafix has been dedicated to creating high-quality, easy-to-use GPS map software products for the outdoor recreation, geocaching, and professional markets. In addition to ExpertGPS, TopoGrafix offers EasyGPS, a free GPS data viewer.
TopoGrafix is a major technical contributor to the GPX exchange format, an open format for GPS data interchange now used by every major recreational GPS vendor and mapping program.