NPOI NCC;Savorboard https://github.com/dotnetcore/NPOI git $(MSBuildThisFileDirectory) https://avatars2.githubusercontent.com/u/19404084 https://github.com/dotnetcore/NPOI https://github.com/dotnetcore/NPOI/blob/master/LICENSE.txt NPOI,Office,Excel,Word A .NET library for reading and writing Microsoft Office binary and OOXML file formats.