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

How to Open Multiple CSV Files in One Excel Spreadsheet. The CSV file extension appears on text documents that contain comma-separated values. Like spreadsheet data, each line in a CSV file ...

Microsoft Excel has an import wizard, but if you structure the text correctly, you can bypass the wizard altogether.

Windows PowerShell parses the runningprocesses.csv file and exports its contents to an Excel file named "ProcessesReport.xlsx" in the "C:\" drive root folder.

For those times when converting Excel files to .CSV just doesn't make sense.