How to Use Excel Interop in C# Alternatively ByRegan Pun August 31, 2024 Updated June 22, 2025 Share: Unlock the benefits of seamless Excel file handling in C# with our expert guidance in this video. more... In this tutorial, we explore using IronXL to access Excel files without relying on interop. The process begins by loading an Excel file into a workbook object, demonstrated with a sample file named 'sample.xlsx'. The tutorial focuses on accessing a specific worksheet, titled '2022 budget', using the GetWorkSheet method. This allows users to interact directly with the data within the selected worksheet.Related Article: C# Excel Interop Workaround show less