How to Create an Excel File in C# using IronXL Jordi Bardia Updated:August 19, 2025 Download IronXL NuGet Download DLL Download Start Free Trial Copy for LLMs Copy for LLMs Copy page as Markdown for LLMs Open in ChatGPT Ask ChatGPT about this page Open in Gemini Ask Gemini about this page Open in Grok Ask Grok about this page Open in Perplexity Ask Perplexity about this page Share Share on Facebook Share on X (Twitter) Share on LinkedIn Copy URL Email article Unlock the power of creating and manipulating Excel files in C# effortlessly with IronXL, and elevate your development skills by mastering workbook creation, cell customization, and formula implementation without the need for Microsoft Excel! more... In this tutorial, learn to create Excel files in C# using IronXL, a library that supports the latest .NET framework versions. Start by installing IronXL via NuGet Package Manager. Import IronXL into your program file, allowing access to its features. Create a workbook using Workbook.Create, with XLSX as the default format. Add sheets and set cell values or formulas programmatically. Customize cell styling, including borders and background colors. Assign values and properties to cell ranges. Enhance text with different font styles and sizes. Implement formulas with ease and protect sheets from editing. Finally, save the Excel file using the Save As function. IronXL simplifies Excel operations without requiring Microsoft Excel or Excel Interop on your server, making it a versatile tool for developers.
Updated September 22, 2025 How to Copy Cells using IronXL This video tutorial demonstrates how to copy cells, ranges, rows, or columns in Excel using C# and IronXL, eliminating the need for Interop. It provides a step-by-step guide to efficiently duplicate Excel data programmatically, enhancing your data manipulation skills. Read More
Updated September 22, 2025 How to Convert Excel to DataTable in C# Without oledb | IronXL Discover how to convert Excel files into DataTables in C# without relying on OLEDB. This video tutorial guides you through the process of using IronXL to seamlessly import Excel data into your .NET applications, enhancing efficiency and simplifying your code. Read More
Updated September 22, 2025 How to Set Cell Font Size in Excel Using C# | IronXL Learn how to programmatically trim whitespace from Excel cells using C# and the IronXL library. This tutorial provides a step-by-step guide to clean up your Excel data efficiently, enhancing your data processing capabilities. Read More
Updated August 24, 2025 How to Trim Cell Ranges in Excel Using IronXL Discover how to efficiently trim whitespace from Excel cells using the IronXL library in C#. This tutorial guides you through the process of programmatically cleaning up your Excel data, ensuring that your datasets are tidy and accurate. Read More
Updated August 24, 2025 How to Add Named Table in Excel Using C# Learn to define and manage named tables in Excel using C# with IronXL. This tutorial covers creating, formatting, and utilizing named tables for efficient data handling in your Excel projects. Read More
Updated August 19, 2025 How to Merge and Unmerge Cells in Excel Learn to efficiently merge and unmerge cells in Excel using the IronXL Library. Read More
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