XML: After clicking on the XML button it is recommended to use the "Save" functionality instead of the "Open" functionality.
Depending on the browser used this function might not work properly and user will be faced with an error message.
CSV format is scheduled for ASCII. For diacritic character it is recommended to use the "Save" functionality (instead of the "Open" functionality).
You may then use softwares like NotePad++ / NotePad2 / NotePad / etc. to display properly the information (opening directly the file in MS-Excel will cause uncorrect display of some characters for instance accented characters).
For importing the files into MS-Excel, it is recommended to use the "Import External Data" function (from menu option "Data").