diff --git a/Find-and-Replace/Find-and-replace-merge-field-name/.NET/Find-and-replace-merge-field-name.sln b/Find-and-Replace/Find-and-replace-merge-field-name/.NET/Find-and-replace-merge-field-name.sln
new file mode 100644
index 000000000..b4be5cd24
--- /dev/null
+++ b/Find-and-Replace/Find-and-replace-merge-field-name/.NET/Find-and-replace-merge-field-name.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}") = "Find-and-replace-merge-field-name", "Find-and-replace-merge-field-name\Find-and-replace-merge-field-name.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/Find-and-Replace/Find-and-replace-merge-field-name/.NET/Find-and-replace-merge-field-name/Data/Template.docx b/Find-and-Replace/Find-and-replace-merge-field-name/.NET/Find-and-replace-merge-field-name/Data/Template.docx
new file mode 100644
index 000000000..246929df9
Binary files /dev/null and b/Find-and-Replace/Find-and-replace-merge-field-name/.NET/Find-and-replace-merge-field-name/Data/Template.docx differ
diff --git a/Find-and-Replace/Find-and-replace-merge-field-name/.NET/Find-and-replace-merge-field-name/Find-and-replace-merge-field-name.csproj b/Find-and-Replace/Find-and-replace-merge-field-name/.NET/Find-and-replace-merge-field-name/Find-and-replace-merge-field-name.csproj
new file mode 100644
index 000000000..52a308995
--- /dev/null
+++ b/Find-and-Replace/Find-and-replace-merge-field-name/.NET/Find-and-replace-merge-field-name/Find-and-replace-merge-field-name.csproj
@@ -0,0 +1,22 @@
+
+
+
+ Exe
+ net8.0
+ Find_and_replace_merge_field_name
+
+
+
+
+
+
+
+
+ Always
+
+
+ Always
+
+
+
+
diff --git a/Find-and-Replace/Find-and-replace-merge-field-name/.NET/Find-and-replace-merge-field-name/Output/.gitkeep b/Find-and-Replace/Find-and-replace-merge-field-name/.NET/Find-and-replace-merge-field-name/Output/.gitkeep
new file mode 100644
index 000000000..5f282702b
--- /dev/null
+++ b/Find-and-Replace/Find-and-replace-merge-field-name/.NET/Find-and-replace-merge-field-name/Output/.gitkeep
@@ -0,0 +1 @@
+
\ No newline at end of file
diff --git a/Find-and-Replace/Find-and-replace-merge-field-name/.NET/Find-and-replace-merge-field-name/Program.cs b/Find-and-Replace/Find-and-replace-merge-field-name/.NET/Find-and-replace-merge-field-name/Program.cs
new file mode 100644
index 000000000..2a579729c
--- /dev/null
+++ b/Find-and-Replace/Find-and-replace-merge-field-name/.NET/Find-and-replace-merge-field-name/Program.cs
@@ -0,0 +1,50 @@
+using Syncfusion.DocIO;
+using Syncfusion.DocIO.DLS;
+using System.Collections.Generic;
+using System.IO;
+
+namespace Find_and_replace_merge_field_name
+{
+ class Program
+ {
+ static void Main(string[] args)
+ {
+ using (FileStream fileStreamPath = new FileStream(Path.GetFullPath(@"Data/Template.docx"), FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
+ {
+ // Opens the template Word document.
+ using (WordDocument document = new WordDocument(fileStreamPath, FormatType.Automatic))
+ {
+ // Finds all merge fields in the document.
+ List mergeFields = document.FindAllItemsByProperty(EntityType.MergeField, null, null);
+ // Replaces the merge field name "first_name" with "FirstName".
+ ReplaceMergeFieldName("Forename", "FirstName", mergeFields);
+ // Replaces the merge field name "last_name" with "LastName".
+ ReplaceMergeFieldName("Surname", "LastName", mergeFields);
+ // Creates a file stream to save the modified document.
+ using (FileStream outputFileStream = new FileStream(Path.GetFullPath(@"Output/Result.docx"), FileMode.Create, FileAccess.ReadWrite))
+ {
+ // Saves the Word document to the file stream in DOCX format.
+ document.Save(outputFileStream, FormatType.Docx);
+ }
+ }
+ }
+ }
+
+ ///
+ /// Replaces the specified merge field name with a new name in the given list of merge fields.
+ ///
+ private static void ReplaceMergeFieldName(string nameToFind, string nameToReplace, List mergeFields)
+ {
+ // Iterates through the list of merge fields.
+ foreach (Entity field in mergeFields)
+ {
+ // Checks if the current merge field matches the name to be replaced.
+ if ((field as WMergeField).FieldName == nameToFind)
+ {
+ // Updates the merge field name to the new name.
+ (field as WMergeField).FieldName = nameToReplace;
+ }
+ }
+ }
+ }
+}