Fast and easy to use cross-platform .NET library that creates or modifies Microsoft Word (DocX) and later also Excel (XLSX) files without installing any software. Library is based on Open XML SDK

Create Presentation (pptx), Excel (xlsx) & Word (docx) file with ease

Implements export to Microsoft PowerPoint format and adds the related command item to a list of available export formats.

.NET Word(docx) exporting template engine without COM+ & interop (support Linux and Mac)

Outlook on the Desktop (OotD)

Open XML SDK by Microsoft

An AI assistant can help you with content composition right in your Microsoft Word

NPOI Extensions, excel/csv importer/exporter for IEnumerable<T>/DataTable, fluentapi(great flexibility)/attribute configuration

WPF Ribbon control like in Office

This tool can be used to view details of Office Open Xml formatted files (Word, Excel, PowerPoint) for troubleshooting purposes...Click here to download the tool:

integrates python into any office app!

This Fiddler Extension is an Office 365 centric parser to efficiently troubleshoot Office 365 client application connectivity and functionality.

Shortcut add-in to automatically generate Excel passwords

Office Document Viewer 是一个可以对文档进行访问或进行一些简单修改所使用的工具，相较于Microsoft Office（Microsoft 365）或 WPS Office 而言更加的轻量化，速度更快，没有那么多臃肿的功能，适合在学校 、 广场大屏幕 、 发布会等其他需需要进行文档展示的地方使用。

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

Import and Export Excel in ASP.NET Core 8.0 Razor Pages 📊🚀

ExcelLabs is an Excel Helper library written in C#.

.NET Core library to convert Microsoft Office binary files (doc, xls and ppt) to Open XML (docx, xlsx and pptx).

Easy to use Excel Serializer and Deserializer for .NET Core

Completely free and open source library for reading, creating and editing Word, Excel and PowerPoint documents