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How to merge or combine multiple Excel files?

Syncfusion Essential XlsIO is a .NET Excel library used to create, read, and edit Excel documents. Using this library, you can split one Excel file into multiple files or combine several Excel files into a single file in C# and VB.NET.

 

Steps to merge or combine multiple Excel files into a single Excel file programmatically:

 

  1. Create a new C# console application project.

 

Create Console application in Visual Studio

 

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

 

Add XlsIO reference to the project

 

  1. Include the following namespaces in the Program.cs file.

 

 

 

  1. Add the following code snippet to merge or combine multiple Excel files into single Excel file.

 

 

 

A complete working example to merge or combine multiple Excel files along with the input files used can be downloaded from Merge-Excel-files.zip

 

The input files used in this sample looks like,

 

Merge or Combine Excel Files

 

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

 

Merge or Combine Excel Files

 

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 with code examples.

 

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

 

See Also:

Split single Excel file into multiple Excel files

 

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.

 

Article ID: Published Date: Last Revised Date: Platform: Control:
9099 08/06/2018 10/08/2018 WinForms XlsIO
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