Topcon Link is a no-cost fully featured data import / export and conversion utility software for Topcon and Sokkia instruments.
Topcon Link software supports all proprietary Topcon and Sokkia file formats as well as a number of industry formats. Any format can be converted to desired Topcon and Sokkia format for export to Topcon and Sokkia instruments. Many files can also be converted between third party and proprietary formats.