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

Learn how to convert CSV file containing waypoints & coordinates to GPX or KML using free CSV to GPX or KML converter or online tool.

A better tool for editing CSV files ModernCSV, an indie app for Linux, Mac, and Windows computers, is the best tool I've come across for this purpose.

Microsoft Lists is a handy tool for tracking inventory, itinerary, assets, and more. Now, you can export all of that data as a CSV file.