Convert multiple DOC to DOCX in Java

High-speed Java library to convert several DOC into DOCX

Use our document merging API to create portable, robust and secure software in Java. This is a professional solution to convert multiple DOC into DOCX using Java. Try it online for free!

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
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
  
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How to convert several DOC into DOCX

  1. Install 'Aspose.Words for Java'.
  2. Add a library reference (import the library) to your Java project.
  3. Open the source DOC file in Java.
  4. Convert several DOC files into DOCX in a few seconds.
  5. Call the 'appendDocument()' method, passing an output filename with DOCX extension.
  6. 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.

Other Supported DOC Merge operations

You can merge DOC to many other file formats:

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