To export only the selected trackpoints, do the following:
Select one or more trackpoints.
Right-click on the selected trackpoints and click Export Trackpoints.
The Export Trackpoints dialog will appear.
Tab-Delimited Trackpoints (.txt)
Tab-Delimited Text can be opened in a spreadsheet program like OpenOffice Calc or Microsoft Excel. If the first trackpoint in the list
is part of the exported data, a header row will be added to the exported file. This format is also used when copying and pasting data
between ExpertGPS and your spreadsheet.