What's NPOI
===================
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This project is the .NET version of Apache POI project. With NPOI, you can read/write Office 2003/2007 files very easily.<br />

Donation 
=========
If you profits/benefits from NPOI, please [sponsor me via Github Sponsor](https://github.com/sponsors/tonyqus) or [donate this project](https://github.com/nissl-lab/npoi/discussions/923). Thank you!

Get Started with NPOI
============

[NPOI Tutorial on Youtube](https://github.com/nissl-lab/npoi-tutorial)

[How NPOI succeed](https://tonyqus.medium.com/how-npoi-succeeds-67ceb7333eb)

[Getting Started with NPOI](https://github.com/nissl-lab/npoi/wiki/Getting-Started-with-NPOI)

[How to use NPOI on Linux](https://github.com/nissl-lab/npoi/wiki/How-to-use-NPOI-on-Linux)

[Useful Packages based on NPOI](https://github.com/nissl-lab/npoi/wiki/ORM-on-NPOI)

[NPOI Changelog](https://github.com/nissl-lab/npoi/wiki/Changelog)

[NPOI code examples (This example repo is private. You can get access by sponsoring me)](https://github.com/sponsors/tonyqus)

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
===================
![Contributors](https://contrib.rocks/image?repo=nissl-lab/npoi)

### Sponsored By
<img src="https://github.com/user-attachments/assets/88dd41a5-9c25-43dd-ba6b-2f4f82b60ecc" alt="drawing" width="200"/>

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