Stop painting cells and use conditional formatting to build accessible, formula-ready, and automated Excel spreadsheets.

CoreXLSX is a library focused on representing the low-level structure of the XML-based XLSX spreadsheet format. It allows you to open a spreadsheet archive with .xlsx extension and map its internal ...

This is a minimalistic yet feature-rich library, written in C# targeting .NET Standard 2.0 and .NET Core 3.1 or later, providing simple primitives to write Excel files in XLSX format in a streamed ...

Create a self-updating Excel checklist with checkboxes, IFS due-date priority, and a progress data bar for faster tracking.