npoi

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

APACHE-2.0 License

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What's NPOI

This project is the .NET version of Apache POI project. With NPOI, you can read/write Office 2003/2007 files very easily.

Do you interested in how NPOI get success? please read this post

About Donation

If you profits/benefits from NPOI and you believe it's useful, please donate this project. Thank you!

NPOI

Telegram User Group

Join us on telegram: https://t.me/npoidevs

Get Started with NPOI

Getting Started with NPOI

How to use NPOI on Linux

ORM on NPOI

NPOI Changelog

Advantage of NPOI

a. It's totally free to use

b. Cover most features of Excel (cell style, data format, formula and so on)

c. Supported formats: xls, xlsx, docx.

d. Designed to be interface-oriented (take a look at NPOI.SS namespace)

e. Support not only export but also import

f. Real successful cases all over the world

g. Works on both Windows and Linux

System Requirement

.NET Standard 2.1 (.NET Core 3.x, .NET 5, .NET 6)

.NET Standard 2.0 (.NET Core 2.x)

.NET Framework 4.0 and above

Contributors