Merge Excel Files in Java

Excel spreadsheets are essential tools for data analysis, reporting, and record-keeping. Often, you might find yourself needing to merge multiple Excel files into a single workbook to streamline your data processing tasks. Java developers can achieve this seamlessly by using the Aspose.Cells for Java library, a powerful and versatile tool for working with Excel files. So let’s walk through the process of merging Excel files in Java.

Java Library to Merge Excel Files

Aspose.Cells for Java is a Java-based API that enables developers to create, manipulate, and convert Excel files without the need for Microsoft Excel. This library provides a wide range of features for working with Excel workbooks, including reading and writing data, formatting cells, creating charts, and much more. We will utilize this library to combine Excel files.

You can either download the library or install it using the following configuration.

          <name>Aspose Java API</name>


Merge Excel Files in Java

The following are the steps to merge two or more Excel files in Java.

  • First, create objects of the Workbook class to load the Excel files.
  • Then, combine the workbooks using the Workbook.combine method.
  • Finally, save the combined Excel workbook using the method.

The following code sample shows how to combine multiple Excel files in Java.

Online Tool to Merge Excel Files

You can also use our online tool to merge Excel files. This is a free tool powered by Aspose.Cells.

Get a Free License

You can get a free temporary license to combine Excel files without any evaluation limitations.


Merging Excel files in Java is a common task for data processing and reporting. Aspose.Cells for Java simplifies this process by providing a straightforward API for working with Excel workbooks. In this blog post, we have demonstrated how to merge Excel files in Java using Aspose.Cells for Java, highlighting the key steps to get the job done.

Aspose.Cells for Java offers many more features for Excel file manipulation, so you can explore its capabilities to enhance your data processing tasks from documentation. In case you have any questions or queries, let us know via our forum.

See Also