base on a .NET library that can read/write Office formats without Microsoft Office installed. No COM+, no interop. What's NPOI =================== [](https://www.nuget.org/packages/NPOI) [](https://t.me/npoidevs) [](https://chat.whatsapp.com/CKD9wv3eW37K20CPUjCXwy) [](LICENSE) [](#) <a href="https://github.com/nissl-lab/npoi/graphs/contributors"> <img src="https://img.shields.io/github/contributors/nissl-lab/npoi?logo=github&label=contributors" alt="GitHub contributors" /> </a> <br /> 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 ===================  <a href="https://info.flagcounter.com/bndt"><img src="https://s01.flagcounter.com/count/bndt/bg_FFFFFF/txt_000000/border_CCCCCC/columns_3/maxflags_20/viewers_0/labels_1/pageviews_1/flags_0/percent_0/" alt="Flag Counter" border="0"></a> ", Assign "at most 3 tags" to the expected json: {"id":"2110","tags":[]} "only from the tags list I provide: [{"id":77,"name":"3d"},{"id":89,"name":"agent"},{"id":17,"name":"ai"},{"id":54,"name":"algorithm"},{"id":24,"name":"api"},{"id":44,"name":"authentication"},{"id":3,"name":"aws"},{"id":27,"name":"backend"},{"id":60,"name":"benchmark"},{"id":72,"name":"best-practices"},{"id":39,"name":"bitcoin"},{"id":37,"name":"blockchain"},{"id":1,"name":"blog"},{"id":45,"name":"bundler"},{"id":58,"name":"cache"},{"id":21,"name":"chat"},{"id":49,"name":"cicd"},{"id":4,"name":"cli"},{"id":64,"name":"cloud-native"},{"id":48,"name":"cms"},{"id":61,"name":"compiler"},{"id":68,"name":"containerization"},{"id":92,"name":"crm"},{"id":34,"name":"data"},{"id":47,"name":"database"},{"id":8,"name":"declarative-gui "},{"id":9,"name":"deploy-tool"},{"id":53,"name":"desktop-app"},{"id":6,"name":"dev-exp-lib"},{"id":59,"name":"dev-tool"},{"id":13,"name":"ecommerce"},{"id":26,"name":"editor"},{"id":66,"name":"emulator"},{"id":62,"name":"filesystem"},{"id":80,"name":"finance"},{"id":15,"name":"firmware"},{"id":73,"name":"for-fun"},{"id":2,"name":"framework"},{"id":11,"name":"frontend"},{"id":22,"name":"game"},{"id":81,"name":"game-engine "},{"id":23,"name":"graphql"},{"id":84,"name":"gui"},{"id":91,"name":"http"},{"id":5,"name":"http-client"},{"id":51,"name":"iac"},{"id":30,"name":"ide"},{"id":78,"name":"iot"},{"id":40,"name":"json"},{"id":83,"name":"julian"},{"id":38,"name":"k8s"},{"id":31,"name":"language"},{"id":10,"name":"learning-resource"},{"id":33,"name":"lib"},{"id":41,"name":"linter"},{"id":28,"name":"lms"},{"id":16,"name":"logging"},{"id":76,"name":"low-code"},{"id":90,"name":"message-queue"},{"id":42,"name":"mobile-app"},{"id":18,"name":"monitoring"},{"id":36,"name":"networking"},{"id":7,"name":"node-version"},{"id":55,"name":"nosql"},{"id":57,"name":"observability"},{"id":46,"name":"orm"},{"id":52,"name":"os"},{"id":14,"name":"parser"},{"id":74,"name":"react"},{"id":82,"name":"real-time"},{"id":56,"name":"robot"},{"id":65,"name":"runtime"},{"id":32,"name":"sdk"},{"id":71,"name":"search"},{"id":63,"name":"secrets"},{"id":25,"name":"security"},{"id":85,"name":"server"},{"id":86,"name":"serverless"},{"id":70,"name":"storage"},{"id":75,"name":"system-design"},{"id":79,"name":"terminal"},{"id":29,"name":"testing"},{"id":12,"name":"ui"},{"id":50,"name":"ux"},{"id":88,"name":"video"},{"id":20,"name":"web-app"},{"id":35,"name":"web-server"},{"id":43,"name":"webassembly"},{"id":69,"name":"workflow"},{"id":87,"name":"yaml"}]" returns me the "expected json"