Why convert several DOC into DOCX in Java?

Converting a group of DOC to a single DOCX allows you to handle materials more effectively.

What output file formats can I use to merge DOC files?

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

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

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

Several DOC Into DOCX Java

Q: How to convert several DOC into DOCX?

Open the site: DOC into DOCX . Drag and drop DOC files to quickly convert them into DOCX. 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 DOC file in Java. Convert several DOC files into DOCX in a few seconds. Call the appendDocument() method, passing an output filename with DOCX extension. Get the result of conversion DOC into DOCX.

Convert DOC to one DOCX in Java

Java library allows Java developers to convert DOC to DOCX with a few lines of code. DOC conversion engine analyses the original DOC layout and structure, and exports the combined content to DOCX format.

Use Java to convert DOC to DOCX with maximum flexibility and speed. Run online live demo and check the highest DOCX quality right in a browser. DOC Conversion API supports a bunch of useful options.

Merge DOC to DOCX

To convert several DOC to DOCX just use Java library that handles all low-level details.

Convert multiple DOC and save the result as a single DOCX. If you develop code in Java, this will be simpler than it sounds. See Java example that iterates through documents and converts them to DOCX:

Code example in Java to combine multiple DOC to DOCX

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

// Repository path: https://releases.aspose.com/java/repo/
// Maven, where 'ver' - Aspose.Words version number, for example, 24.4.
<dependency>
  <groupId>com.aspose</groupId>
  <artifactId>aspose-words</artifactId>
  <version>ver</version>
  <classifier>jdk17</classifier>
</dependency>

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// Repository path: https://releases.aspose.com/java/repo/
// Gradle, where 'ver' - Aspose.Words version number, for example, 24.4.
compile(group: 'com.aspose', name: 'aspose-words', version: 'ver', classifier: 'jdk17')

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// Repository path: https://releases.aspose.com/java/repo/
// Ivy, where 'ver' - Aspose.Words version number, for example, 24.4.
<dependency org="com.aspose" name="aspose-words" rev="ver">
 <artifact name="aspose-words" m:classifier="jdk17" ext="jar"/>
</dependency>

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// Repository path: https://releases.aspose.com/java/repo/
// Sbt, where 'ver' - Aspose.Words version number, for example, 24.4.
libraryDependencies += "com.aspose" % "aspose-words" % "ver"

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import com.aspose.words.*;

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

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 convert several DOC into DOCX

Install Aspose.Words for Java.
Add a library reference (import the library) to your Java project.
Open the source DOC file in Java.
Convert several DOC files into DOCX in a few seconds.
Call the appendDocument() method, passing an output filename with DOCX extension.
Get the result of conversion DOC into DOCX.

Java library to convert several DOC into DOCX

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 DOC to many other file formats: