You can easily convert Excel (.xls) file to vCard (.vcf) file using Windows Contacts or People app. Or use SysTools Excel to vCard Converter ...

XLS to CSV Converter Application This is a Python application that uses the Qt library to provide a graphical user interface for converting XLS files to CSV. The purpose of this application is to ...

How to convert XLS and JSON files to CSV in Linux with csvkit Your email has been sent Sometimes you just need a quick means of converting a spreadsheet to a comma-separated values file. When you ...