Added the sample for youTube video.

Author: deepika134

Videos/WordToRTF/Controllers/HomeController.cs

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+using System.Diagnostics;
+using Microsoft.AspNetCore.Mvc;
+using WordToRTF.Models;
+using Syncfusion.DocIO;
+using Syncfusion.DocIO.DLS;
+
+namespace WordToRTF.Controllers
+{
+    public class HomeController : Controller
+    {
+        private readonly ILogger<HomeController> _logger;
+
+        public HomeController(ILogger<HomeController> logger)
+        {
+            _logger = logger;
+        }
+
+        public IActionResult WordToRTF()
+        {
+            // Open the Word document as a file stream
+            FileStream fileStream = new FileStream("Data\\Template.docx", FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
+
+            // Load the stream into a DocIO WordDocument instance
+            WordDocument document = new WordDocument(fileStream, FormatType.Docx);
+
+            // Create a memory stream to store the converted RTF content
+            MemoryStream outputStream = new MemoryStream();
+
+            // Save the document in RTF format
+            document.Save(outputStream, FormatType.Rtf);
+
+            // Close the document to release resources
+            document.Close();
+
+            // Return the downloadable file
+            return File(outputStream, "application/rtf", "WordToRTF.rtf");
+        }
+
+        public IActionResult RTFToWord()
+        {
+            // Open the RTF file as a file stream
+            FileStream fileStream = new FileStream("Data\\Input.rtf", FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
+
+            // Load the stream into a DocIO WordDocument instance
+            WordDocument document = new WordDocument(fileStream, FormatType.Rtf);
+
+            // Create a memory stream to store the converted Word content
+            MemoryStream outputStream = new MemoryStream();
+
+            // Save the document in DOCX format
+            document.Save(outputStream, FormatType.Docx);
+
+            // Close the document to release resources
+            document.Close();
+
+            // Return the downloadable file
+            return File(outputStream, "application/docx", "RTFToWord.docx");
+        }
+
+        public IActionResult Index()
+        {
+            return View();
+        }
+
+        public IActionResult Privacy()
+        {
+            return View();
+        }
+
+        [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
+        public IActionResult Error()
+        {
+            return View(new ErrorViewModel { RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier });
+        }
+    }
+}

Videos/WordToRTF/Data/Input.rtf

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+namespace WordToRTF.Models
+{
+    public class ErrorViewModel
+    {
+        public string? RequestId { get; set; }
+
+        public bool ShowRequestId => !string.IsNullOrEmpty(RequestId);
+    }
+}

Videos/WordToRTF/Data/Template.docx

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+namespace WordToRTF
+{
+    public class Program
+    {
+        public static void Main(string[] args)
+        {
+            var builder = WebApplication.CreateBuilder(args);
+
+            // Add services to the container.
+            builder.Services.AddControllersWithViews();
+
+            var app = builder.Build();
+
+            // Configure the HTTP request pipeline.
+            if (!app.Environment.IsDevelopment())
+            {
+                app.UseExceptionHandler("/Home/Error");
+                // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
+                app.UseHsts();
+            }
+
+            app.UseHttpsRedirection();
+            app.UseStaticFiles();
+
+            app.UseRouting();
+
+            app.UseAuthorization();
+
+            app.MapControllerRoute(
+                name: "default",
+                pattern: "{controller=Home}/{action=Index}/{id?}");
+
+            app.Run();
+        }
+    }
+}

Videos/WordToRTF/Models/ErrorViewModel.cs

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+{
+  "$schema": "http://json.schemastore.org/launchsettings.json",
+  "iisSettings": {
+    "windowsAuthentication": false,
+    "anonymousAuthentication": true,
+    "iisExpress": {
+      "applicationUrl": "http://localhost:49231",
+      "sslPort": 44321
+    }
+  },
+  "profiles": {
+    "http": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "applicationUrl": "http://localhost:5241",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "https": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "applicationUrl": "https://localhost:7158;http://localhost:5241",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "IIS Express": {
+      "commandName": "IISExpress",
+      "launchBrowser": true,
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}

Videos/WordToRTF/Program.cs

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+# How to Convert a Word Document to an RTF File Using the .NET Word Library
+
+This repository provides an example of how to convert a Word document to RTF, and an RTF file to a Word document using the **Syncfusion .NET Word Library (DocIO)**. 
+
+## Process Behind Word–RTF Conversion
+
+This sample shows how easily you can switch between Word (.docx) and Rich Text Format (.rtf) using the Syncfusion DocIO library. These conversions are useful when you need to:
+
+- Share documents in a lightweight, widely supported RTF format.
+- Preserve text formatting while avoiding the full complexity of a DOCX file.
+- Integrate RTF files into applications that require plain rich-text formatting.
+
+Using the Syncfusion DocIO library, you can:
+
+- Convert a Word document (.docx) to an RTF file (.rtf).
+- Convert an RTF file (.rtf) back to a Word document (.docx).
+
+## Steps to use the sample
+
+1. Open the ASP.NET Core application where the Syncfusion DocIO package is installed.
+2. Run the application and click the following buttons:
+   - **Word to RTF**: Converts an existing Word document to an RTF file.
+   - **RTF to Word**: Converts an existing RTF file back to a Word document.

Videos/WordToRTF/Properties/launchSettings.json

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+@{
+    ViewData["Title"] = "Home Page";
+}
+
+<div>
+    <h2 style="margin-bottom: 20px"> Word to RTF Conversions </h2>
+    <div>
+        <button style="width: 200px; margin-bottom: 20px; height: 40px;display:block;font-size:18px;"
+                onclick="location.href='@Url.Action("WordToRTF", "Home")'">
+            Word to RTF
+        </button>
+        <button style="width: 200px; margin-bottom: 20px; height: 40px;display:block;font-size:18px;"
+                onclick="location.href='@Url.Action("RTFToWord", "Home")'">
+            RTF to Word
+        </button>
+    </div>
+</div>

Videos/WordToRTF/README.md

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+@{
+    ViewData["Title"] = "Privacy Policy";
+}
+<h1>@ViewData["Title"]</h1>
+
+<p>Use this page to detail your site's privacy policy.</p>

Videos/WordToRTF/Views/Home/Index.cshtml

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+@model ErrorViewModel
+@{
+    ViewData["Title"] = "Error";
+}
+
+<h1 class="text-danger">Error.</h1>
+<h2 class="text-danger">An error occurred while processing your request.</h2>
+
+@if (Model.ShowRequestId)
+{
+    <p>
+        <strong>Request ID:</strong> <code>@Model.RequestId</code>
+    </p>
+}
+
+<h3>Development Mode</h3>
+<p>
+    Swapping to <strong>Development</strong> environment will display more detailed information about the error that occurred.
+</p>
+<p>
+    <strong>The Development environment shouldn't be enabled for deployed applications.</strong>
+    It can result in displaying sensitive information from exceptions to end users.
+    For local debugging, enable the <strong>Development</strong> environment by setting the <strong>ASPNETCORE_ENVIRONMENT</strong> environment variable to <strong>Development</strong>
+    and restarting the app.
+</p>