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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.
A source for a ClosedXML website at https://closedxml.io/
ASP.NET extensions for ClosedXML
MVC Extensions for ClosedXML
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