ClosedXML 0.104.1 Jan Havlíček, Francois Botha, Aleksei Pankratev, Manuel de Leon, Amir Ghezelbash MIT https://licenses.nuget.org/MIT nuget-logo.png https://github.com/ClosedXML/ClosedXML See release notes https://github.com/ClosedXML/ClosedXML/releases/tag/0.104.1 ClosedXML is a .NET library for reading, manipulating and writing Excel 2007+ (.xlsx, .xlsm) files. It aims to provide an intuitive and user-friendly interface to dealing with the underlying OpenXML API. See https://github.com/ClosedXML/ClosedXML/releases/tag/0.104.1 Excel OpenXml xlsx