How to export Excel data to CSV file?

Syncfusion Essential XlsIO is a .NET Excel library used to create, read, and edit Excel documents. Using this library, you can export an Excel file with data into CSV file.

Steps to export Excel data into CSV file programmatically:

1. Create a new C# console application project.

2. Install the Syncfusion.XlsIO.WinForms NuGet package as reference to your .NET Framework applications from NuGet.org.

3. Include the following namespace in the Program.cs file.

4. Use the following code snippet to export an Excel file with data into CSV file.

A complete working example to export Excel data to CSV can be downloaded from Export-Excel-File-To-CSV-File.zip.

By executing the program, you will get the Excel file as follows.

CSV file with comma separated output is as below,

Take a moment to peruse the documentation, where you can find basic worksheet data manipulation options along with features like Conditional Formatting, worksheet calculations through Formulas, adding Charts in worksheet or workbook, organizing and analyzing data through Tables and Pivot Tables, appending multiple records to worksheet using Template Markers, and most importantly PDF and Image conversions etc., with code examples.

Refer here to explore the rich set of Syncfusion Essential XlsIO features.

An online sample link to export Excel file to CSV file.

Note:

Starting with v16.2.0.x, if you reference Syncfusion assemblies from trial setup or from the NuGet feed, include a license key in your projects. Refer to link to learn about generating and registering Syncfusion license key in your application to use the components without trail message.