C# Excel Tutorial: Learn to use IronXL Library (No Interop)

In this step-by-step tutorial, you’ll learn how to use the IronXL library in C# to work with Excel spreadsheets programmatically—no Microsoft Office installation required. The video walks through creating a .NET console application in Visual Studio, installing the IronXL package, and importing an existing Excel file. You'll learn how to perform data manipulation such as calculating the sum of a column, applying formulas, and styling cells with custom background and font colors. It also demonstrates how to save modified spreadsheets and export to multiple formats including JSON, CSV, XML, XLS, and XLSX. Additionally, the tutorial shows how to create a new Excel file from scratch, set metadata, add worksheets, insert data, and apply cell-level formatting such as borders and styles. IronXL provides a powerful and flexible solution for developers looking to automate Excel tasks in C#, whether for reporting, data transformation, or spreadsheet generation. Try IronXL today to unlock seamless spreadsheet functionality in your applications.