Go to the File Types tab, scroll down to Microsoft Excel Worksheet (.xls not .csv) and click Advanced. Uncheck 'Browse in same window' (or 'Open Web documents' in place) and OK.

You can convert JSON files to Microsoft Excel CSV file formats using this hidden built-in feature. We show you how to do it.

You can use these free software and online converter too to convert GPX files to Excel (XLS/ XLSX) or CSV format using your PC.