Leica GSI8 or 16
Conversion:
Use the GSI to STAR*NET online converter donated by SGSS software. NOTE: Occupations must be manually entered, the GSI file only contains sideshots.
You can import a GSI Field file into MicroSurveyCAD via: MsTraverse | Read Collector Files in | Leica GSI8/16. You can export any GSI traverse files directly from MicroSurvey CAD via: MsTraverse | Starnet Interface

Notes:
See here for an article explaining data exchange between MicroSurvey CAD and STAR*NET.