The simplest/easiest way to translate a DataTable into an Excel document (XLSX) - A more advanced setup can be used too if you need more control of the output. - Based on Microsoft OpenXML (High performance) - As lightweight as it can be. This is among the simplest and fastest libraries to convert a DataTable to an Excel Sheet. (And probably also the fastest)
$ dotnet add package GDS.XLSXNo README available.