1. GroupDocs Documentation
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    3. GroupDocs.Comparison Product Family
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    5. GroupDocs.Comparison for Node.js via Java
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    7. Advanced usage
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    9. Comparison
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    11. Compare multiple documents
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    13. Compare multiple documents protected by password

    Compare multiple documents protected by password

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    Note
    This feature is available only for Word documents, PowerPoint, and Open Document presentations.

    GroupDocs.Comparison allows you to compare more than two password-protected documents.

    To compare several password-protected documents, follow these steps:

    1. Instantiate the LoadOptions object. Specify the password for the source document.
    2. Instantiate the Comparer object. Specify the source document path or stream and the LoadOptions object created in the previous step.
    3. Instantiate another LoadOptions object and specify the password for the target document.
    4. Call the add() method and specify the target document path or stream and the LoadOptions object created in step 3. Repeat steps 3 and 4 for every target document.
    5. Call the compare() method.

    The following code snippets show how to compare several password-protected documents:

    Compare several password-protected documents from a local disk 

    const comparer = new groupdocs.comparison.Comparer(sourceFile, new groupdocs.comparison.LoadOptions("source-password"));
comparer.add(targetFile1, new groupdocs.comparison.LoadOptions("target-password"));
comparer.add(targetFile2, new groupdocs.comparison.LoadOptions("target-password"));
comparer.add(targetFile3, new groupdocs.comparison.LoadOptions("target-password"));
const resultPath = comparer.compare(resultFile);

    Compare several password-protected documents from a stream 

    const comparer = new groupdocs.comparison.Comparer(sourceInputStream, new groupdocs.comparison.LoadOptions("source-password"));
comparer.add(targetInputStream1, new groupdocs.comparison.LoadOptions("target-password"));
comparer.add(targetInputStream2, new groupdocs.comparison.LoadOptions("target-password"));
comparer.add(targetInputStream3, new groupdocs.comparison.LoadOptions("target-password"));
const resultPath = comparer.compare(resultInputStream);

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