GSA Sign-up database
Click on the link, choose "Click here to get the saved input", and save the downloaded file. You should be able to import the file straight into MS Excel. To import it into OpenOffice Calc, rename the file replacing ".tsv" by ".csv" and choosing "TAB" as a field separator during import.
The link address is: http://www.lsa-berlin.org/graduate-student-activity/signup-form/gsa-registration-database/