Aspose.Cells FOSS for .NETFree, MIT-licensed .NET library for creating, reading, and modifying XLSX spreadsheets with no Microsoft Office dependency.Browse how-to guides:Frequently Asked Questions How to Load a Spreadsheet in .NET Use Cases for Aspose.Cells FOSS for .NET How to Work with Core Workbook Settings in .NET How to Work with OOXML Packaging in .NET How to Work with XML Processing in .NET How to Work with Data Validation in .NET