Open the site: DOCX into DOCX . Drag and drop DOCX files to merge them online. Or just use a code sample in Java with a few lines of code. Install Aspose.Words for Java. Add a library reference (import the library) to your Java project. Open the source DOCX file in Java. Combine DOCX files in a few seconds. Call the appendDocument() method, passing an output filename with required extension. Get the result of merging DOCX as a single file.

Why merge DOCX together in Java?

Merging a group of DOCX into one allows you to handle materials more effectively.

What output file formats can I use to combine DOCX files?

We support a variety of output file formats for DOCX merging, including PDF, DOCX, DOC, HTML, RTF, Markdown, XML, ODT, JPG, PNG, TIFF, TXT and many more.

What is the maximum DOCX size supported by Aspose.Words for Java?

There are no size limits to merge DOCX files using Aspose.Words for Java.

Merge DOCX Java

Convert DOCX in Java

Java library allows Java developers to convert DOCX files easily. DOCX conversion engine analyses the original DOCX layouts and styles, then exports the combined content to the required format.

DOCX conversion may be tricky, unless you have a professional tool to do the job. Use Java to convert DOCX files with maximum flexibility and speed. Run online live demo and check the highest quality of DOCX conversion right in a browser. DOCX Conversion API supports a bunch of useful options.

Merge DOCX

Enhance DOCX format capabilities with Aspose.Words for Java. This is a simple way to combine DOCX files with Java library that handles all low-level details.

Merge DOCX and save the result as a single file. If you develop code in Java, this will be simpler than it sounds. See Java example that iterates through DOCX documents and combines them:

Code example in Java to merge DOCX files

Input files

Upload a file you want to merge

Run code

Upload a file you want to merge

Output format

Select the target format from the list

import com.aspose.words.*;

List<String> fileNames = Arrays.asList("Input1.docx", "Input2.docx");

Document output = new Document();
// Remove all content from the destination document before appending.
output.removeAllChildren();

for (String fileName : fileNames)
{
    Document input = new Document(fileName);
    // Append the source document to the end of the destination document.
    output.appendDocument(input, ImportFormatMode.KEEP_SOURCE_FORMATTING);
}

output.save("Output.docx");

			

					Run code
				

You may freely copy this code and use it in any applicable purpose

How to merge DOCX Java

Install Aspose.Words for Java.
Add a library reference (import the library) to your Java project.
Open the source DOCX file in Java.
Combine DOCX files in a few seconds.
Call the appendDocument() method, passing an output filename with required extension.
Get the result of merging DOCX as a single file.

Java library to merge DOCX files

We host our Java packages in Maven repositories. 'Aspose.Words for Java' is a common JAR file containing byte-code. Please follow the step-by-step instructions on how to install it to your Java developer environment.

System Requirements

Java SE 7 and more recent Java versions are supported. We also provide a separate package for Java SE 6 in case you are obliged to use this outdated JRE.

Our Java package is cross-platform and runs on all operating systems with JVM implementation, including Microsoft Windows, Linux, macOS, Android and iOS.

For information on optional package dependencies, such as JogAmp JOGL, Harfbuzz font engine, Java Advanced Imaging JAI, please refer to Product Documentation.

You can merge DOCX to many other file formats: