apache-poi Installing NPOI


Best way to include all library related to NPOI is NUGet Package Manager. Search for NPOI on NUGet package manager window.

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Once it is successfully installed all needed library will appear in reference section of your current project enter image description here

Then include the NPOI into your file like this

using NPOI.SS.UserModel;
using NPOI.SS.Util;
using NPOI.XSSF.UserModel