Upgrade to XLSX for smaller file sizes, enhanced security, modern collaboration features, and to prevent accidental data loss ...

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 ...

Duplicate entries can throw off your calculations and make your lists unreliable. Use Excel’s built-in tools to find duplicates: Go to the Home tab Click Conditional Formatting > Highlight Cells Rules ...