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Top .NET Word / Excel Libraries 2025

GitHub Libraries .NET Word / Excel Libraries

nissl-lab/npoi 5K +29

added 1 week ago

A .NET library that can read/write Office formats without Microsoft Office installed. No COM+, no interop.

closedxml/closedxml 5K +18

added 3 months ago

ClosedXML is a .NET library for reading, manipulating and writing Excel 2007+ (.xlsx, .xlsm) files.

dotnet/open-xml-sdk 4K +13

added 3 months ago

The Open XML SDK provides tools for working with Office Word, Excel, and PowerPoint documents

exceldatareader/exceldatareader 4K +8

added 3 months ago

Lightweight and fast library written in C# for reading Microsoft Excel files

mini-software/miniexcel 3K +19

added 3 months ago

Fast, Low-Memory, Easy Excel .NET helper to import/export/template spreadsheet.

epplussoftware/epplus 1K +7

added 3 months ago

Excel spreadsheets for .NET

xceedsoftware/docx 1K +6

added 3 months ago

Fast and easy to use .NET library that creates or modifies Microsoft Word files without installing Word.

excel-dna/exceldna 1K +1

added 2 months ago

Integrate .NET into Microsoft Excel to extend its native capabilities.

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