[Spreadsheet File Format APIs Open Source SDKs for Excel Spreadsheet Files Effortlessly Handle Microsoft Excel & OpenOffice Spreadsheet Tasks: Reading, Writing, Converting, and Manipulating FileFormat.Cells SDKs Product Family Include Free Spreadsheet SDK FileFormat.Cells for .NET Easily craft and tailor Excel Spreadsheets using FileFormat.Cells, a lightweight C# library provided as an Open-Source .NET API. Simplify spreadsheet creation and automation with this intuitive tool.]