How to Convert DOC to DOCX using Java. For more information, please follow link: https://kb.conholdate.com/total/java/how-to-convert-doc-to-docx-using-java

how-to-convert-doc-to-docx-using-java.java

import com.groupdocs.conversion.Converter;
import com.groupdocs.conversion.licensing.License;
import com.groupdocs.conversion.options.convert.WordProcessingConvertOptions;

public class ConvertDocToDocxUsingJava {
    public static void main(String[] args) { // Main function to convert DOC to DOCX in Java
        // Remove the watermark in output DOCX document by adding license
        License lic = new License();
        lic.setLicense("/path/to/GroupDocs.Conversion.lic");

        // Load the source DOC file for conversion to DOCX
        Converter converter = new Converter("/path/to/sample.docx");

        // Set the convert options for DOCX format
        WordProcessingConvertOptions options = new WordProcessingConvertOptions();

        // Convert and save the DOC in DOCX format
        converter.convert("/path/to/converted.doc", options);

        System.out.println("Done");
    }
}