CSVMerge is a small command line application that will take one or more CSV files and merge them all together into a single XLSX file. One worksheet per CSV is created

CSVMerge Screenshot

The application supports wildcards, and can work not just with commas, but also with any alternative CSV column separator (such as semicolon and tabs). It can also automatically size columns to fit the contents.

Download CSVMerge 1.0