Compare Word Documents using C#

Microsoft Word is a widely used word-processing application that allows users to create, edit, and format documents. When working with documents, you often need to compare two Word documents to identify differences, revisions, or updates. In this blog post, we’ll explore how to compare Word documents in C#. We will also discuss some advanced features to customize Word document comparison.

C# Library to Compare Word Documents

Aspose.Words for .NET is a robust library that provides comprehensive support for creating, manipulating, and converting Word documents in C#. It offers a range of features, including document comparison, making it a valuable tool for developers working with document-centric applications.

To install the library from NuGet, you can use the following command. Or you can download it from the Downloads section.

PM> Install-Package Aspose.Words 

Compare Two Word Documents in C#

Comparing Word documents is made easy with Aspose.Words for .NET. Just load the documents, compare them, and get comparison results. Let’s have a look at the steps required to compare Word documents in more detail.

The following code snippet shows how to compare two Word documents in C#.

The following is the screenshot of the comparison result.

Compare two Word documents using C#

Advanced Word Document Comparison Options

There are several options that Aspose.Words for .NET provides to customize the Word document comparison process. For example, you can configure the library to ignore certain sections including header/footer, comments, etc. Furthermore, you can set granularity option to change the level of comparison for characters or words. Let’s see how to use these options in Word document comparison in a C# application.

The following code snippet shows how to customize Word document comparison using different options.

Get a Free API License

You can get a temporary license to use Aspose.Words for .NET without evaluation limitations.


Aspose.Words for .NET simplifies the process of comparing Word documents in C#. With its powerful features and easy-to-use API, developers can efficiently implement document comparison functionality in their applications. Whether you’re building document management systems, collaborative editing tools, or version control systems, Aspose.Words for .NET provides the tools you need to handle document comparison with ease. In this blog, you have learned how to compare two Word documents in C#. We also discussed how to customize the document comparison operation using different options.

You can explore other features of Aspose.Words for C# using the documentation. In case of any questions, you can ask us via our forum.

See Also