How to Open an XLS File in Excel. XLS files are Excel workbook files created in Excel 97 or Excel 2003. The 2007, 2010 and 2013 versions of the program use the XLSX format by default to save ...

An XLS file is the native spreadsheet file type for versions of Microsoft Excel prior to Excel 2007. A QIF file is a Quicken Interchange Format file.

Want to convert an Excel file (XLSX or XLS) to GPX format on Windows 11/10? Checkout a free software and online tool to do that.