There are multiple ways to convert a CSV file to Excel formats (XLS, XLSX). You can use Microsoft Excel, a dedicated converter freeware, or an online tool to perform the conversion.

A python project to convert CSV files to XLSX. Contribute to tombro27/CSV-to-Excel-Converter development by creating an account on GitHub.

This article explains what XLSX files are, how to open them, and which programs are able to convert them to other spreadsheet formats like CSV or ODS.

Using some relatively simple scripting code, though, you can also use PowerShell to convert a processes-list CSV file to Excel XLSX format.