All the available file formats for importing/exporting GPS location data. Most populair file formats: .kml, .kmz, .nmea, .gpx, .est and .ov2 Google: .kml / .kmz Nmea (National Marine Electronics Association): .nmea Garmin: .gpx Microsoft: .est Tomtom: .ov2 All: .poi (only for point of interest locations) All known formats: .nmea, .kml, .gpx, .kmz, .log, .mps, .gdb, .tcx, .loc, .eta, .csv, .wpt, .plt, .pcx, .rte, .upt, .poi, .ov2, .est, .asc, .txt, .lmx, .gpi, .trk
More info on gps formats and extensions: http://www.gps-data-team.com/convert.php Thanks!