diff --git a/Bookmarks/Preserve-bookmarks-from-cloned-content/.NET/Preserve-bookmarks-from-cloned-content.sln b/Bookmarks/Preserve-bookmarks-from-cloned-content/.NET/Preserve-bookmarks-from-cloned-content.sln
new file mode 100644
index 00000000..a9e90f6f
--- /dev/null
+++ b/Bookmarks/Preserve-bookmarks-from-cloned-content/.NET/Preserve-bookmarks-from-cloned-content.sln
@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.31911.196
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Preserve-bookmarks-from-cloned-content", "Preserve-bookmarks-from-cloned-content\Preserve-bookmarks-from-cloned-content.csproj", "{C17B90BC-F559-456B-B189-90B53FF6CDD4}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{C17B90BC-F559-456B-B189-90B53FF6CDD4}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{C17B90BC-F559-456B-B189-90B53FF6CDD4}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{C17B90BC-F559-456B-B189-90B53FF6CDD4}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{C17B90BC-F559-456B-B189-90B53FF6CDD4}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {EF357FC6-E9E5-4E3C-B932-43F727BE1DE4}
+	EndGlobalSection
+EndGlobal
diff --git a/Bookmarks/Preserve-bookmarks-from-cloned-content/.NET/Preserve-bookmarks-from-cloned-content/Data/Input.docx b/Bookmarks/Preserve-bookmarks-from-cloned-content/.NET/Preserve-bookmarks-from-cloned-content/Data/Input.docx
new file mode 100644
index 00000000..bc6f162f
Binary files /dev/null and b/Bookmarks/Preserve-bookmarks-from-cloned-content/.NET/Preserve-bookmarks-from-cloned-content/Data/Input.docx differ
diff --git a/Bookmarks/Preserve-bookmarks-from-cloned-content/.NET/Preserve-bookmarks-from-cloned-content/Output/.gitkeep b/Bookmarks/Preserve-bookmarks-from-cloned-content/.NET/Preserve-bookmarks-from-cloned-content/Output/.gitkeep
new file mode 100644
index 00000000..5f282702
--- /dev/null
+++ b/Bookmarks/Preserve-bookmarks-from-cloned-content/.NET/Preserve-bookmarks-from-cloned-content/Output/.gitkeep
@@ -0,0 +1 @@
+
\ No newline at end of file
diff --git a/Bookmarks/Preserve-bookmarks-from-cloned-content/.NET/Preserve-bookmarks-from-cloned-content/Preserve-bookmarks-from-cloned-content.csproj b/Bookmarks/Preserve-bookmarks-from-cloned-content/.NET/Preserve-bookmarks-from-cloned-content/Preserve-bookmarks-from-cloned-content.csproj
new file mode 100644
index 00000000..50593da1
--- /dev/null
+++ b/Bookmarks/Preserve-bookmarks-from-cloned-content/.NET/Preserve-bookmarks-from-cloned-content/Preserve-bookmarks-from-cloned-content.csproj
@@ -0,0 +1,22 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <RootNamespace>Preserve_bookmarks_from_cloned_content</RootNamespace>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Syncfusion.DocIO.Net.Core" Version="*" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <None Update="Data\Input.docx">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="Output\.gitkeep">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
+</Project>
diff --git a/Bookmarks/Preserve-bookmarks-from-cloned-content/.NET/Preserve-bookmarks-from-cloned-content/Program.cs b/Bookmarks/Preserve-bookmarks-from-cloned-content/.NET/Preserve-bookmarks-from-cloned-content/Program.cs
new file mode 100644
index 00000000..1259a6d9
--- /dev/null
+++ b/Bookmarks/Preserve-bookmarks-from-cloned-content/.NET/Preserve-bookmarks-from-cloned-content/Program.cs
@@ -0,0 +1,61 @@
+using Syncfusion.DocIO;
+using Syncfusion.DocIO.DLS;
+using System.IO;
+
+namespace Preserve_bookmarks_from_cloned_content
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            using (FileStream fileStreamPath = new FileStream(Path.GetFullPath(@"Data/Input.docx"), FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
+            {
+                //Open an existing Word document.
+                using (WordDocument document = new WordDocument(fileStreamPath, FormatType.Automatic))
+                {
+                    //Create the bookmark navigator instance to access the bookmark.
+                    BookmarksNavigator bookmarkNavigator = new BookmarksNavigator(document);
+                    //Moves the virtual cursor to the location before the end of the bookmark "MainContent".
+                    bookmarkNavigator.MoveToBookmark("MainContent");
+                    //Get the content of the "MainContent" bookmark as WordDocumentPart.
+                    WordDocumentPart wordDocumentPart = bookmarkNavigator.GetContent();
+
+                    //Find the "MainContent" bookmark in the document by its name.
+                    Bookmark bookmark = document.Bookmarks.FindByName("MainContent");
+                    //Identify the parent text body of the bookmark.
+                    WTextBody textbody = bookmark.BookmarkStart.OwnerParagraph.Owner as WTextBody;
+                    //Determine the index of the paragraph containing the bookmark.
+                    int index = textbody.ChildEntities.IndexOf(bookmark.BookmarkStart.OwnerParagraph);
+
+                    //Remove the "MainContent" bookmark from the document.
+                    document.Bookmarks.Remove(bookmark);
+                    //Remove inner bookmarks (SubContent1, SubContent2, SubContent3) from the document.
+                    bookmark = document.Bookmarks.FindByName("SubContent1");
+                    document.Bookmarks.Remove(bookmark);
+                    bookmark = document.Bookmarks.FindByName("SubContent2");
+                    document.Bookmarks.Remove(bookmark);
+                    bookmark = document.Bookmarks.FindByName("SubContent3");
+                    document.Bookmarks.Remove(bookmark);
+
+                    //Insert the cloned content of the "MainContent" bookmark after the original bookmark paragraph.
+                    if (wordDocumentPart.Sections[0].ChildEntities[0] is WTextBody)
+                    {
+                        WTextBody clonedTextBody = wordDocumentPart.Sections[0].ChildEntities[0] as WTextBody;
+                        for (int i = 0, j = index + 1; i < clonedTextBody.ChildEntities.Count; i++, j++)
+                        {
+                            textbody.ChildEntities.Insert(j, clonedTextBody.ChildEntities[i]);
+                        }
+                    }
+                    //Close the WordDocumentPart instance.
+                    wordDocumentPart.Close();
+                    //Create file stream.
+                    using (FileStream outputFileStream = new FileStream(Path.GetFullPath(@"Output/Output.docx"), FileMode.Create, FileAccess.ReadWrite))
+                    {
+                        //Save the Word document to file stream.
+                        document.Save(outputFileStream, FormatType.Docx);
+                    }
+                }
+            }
+        }
+    }
+}