How to Compare Multiple Password-Protected Documents in .NET Using GroupDocs.Comparison

Introduction

Comparing multiple password-protected documents can be a challenge, especially when handling legal contracts or financial reports. GroupDocs.Comparison for .NET simplifies this process by enabling seamless comparison of protected Word documents. This tutorial guides you through setting up and using the library to ensure no critical differences go unnoticed.

What You’ll Learn:

• Setting up GroupDocs.Comparison for .NET
• Comparing multiple password-protected documents
• Optimizing performance and troubleshooting common issues

Let’s start by looking at the prerequisites needed before diving in.

Prerequisites

Before you begin, ensure you have:

• Required Libraries: Install GroupDocs.Comparison for .NET. Your environment should support .NET Framework or .NET Core.
• Version: This tutorial uses version 25.4.0.
• Environment Setup Requirements: A development environment like Visual Studio set up to run .NET applications.
• Knowledge Prerequisites: Basic understanding of C# and experience with file handling programmatically.

Setting Up GroupDocs.Comparison for .NET

To start using GroupDocs.Comparison, install the package in your project:

NuGet Package Manager Console

Install-Package GroupDocs.Comparison -Version 25.4.0

.NET CLI

dotnet add package GroupDocs.Comparison --version 25.4.0

After installation, acquire a license for full access to all features by signing up for a free trial or purchasing a subscription.

Basic Initialization and Setup

Initialize GroupDocs.Comparison in your C# application:

using GroupDocs.Comparison;

// Instantiate Comparer object with source document path
Comparer comparer = new Comparer("source_protected.docx\