Awesome
What's NPOI
<a href="https://github.com/nissl-lab/npoi/graphs/contributors">
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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 捐款
If you profits/benefits from NPOI, please sponsor me via Github Sponsor or donate this project. Thank you!
如果您从NPOI受益或实现盈利，请通过Github Sponsor赞助我或为该项目捐款，谢谢！
Get Started with NPOI
Telegram User Group
Join us on telegram: https://t.me/npoidevs
Advantage of NPOI
a. Huge examples (This example repo is private. You can sponsor me with NPOI example access option)
b. It's totally free to use
c. Cover most features of Excel (cell style, data format, formula and so on)
d. Supported formats: xls, xlsx, docx.
e. Designed to be interface-oriented (take a look at NPOI.SS namespace)
f. Support not only export but also import
g. Real successful cases all over the world
h. 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