https://www.easyxls.com/net-excel-library
Excel library to import and export Excel files
EasyXLS™ Professional Excel library for .NET has all the features needed to professionally:
import and export Excel file in C#, VB.NET windows applications or ASP.NET web pages
read and write Excel file in C#, VB.NET, ASP.NET or any other .NET compatible software
convert between XLSX, XLS, XLSM, XLSB Excel file formats
convert Excel file to XML, CSV, HTML, convert XML, CSV, HTML file to Excel
calculate formulas from spreadsheets and extract the formula result
fast handling of large Excel files and large spreadsheets
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Patched Files and Keygen you can chose what you want to use
https://www3.zippyshare.com/v/bJHWmYlT/file.html
Pass: TSRH :D