988730-FAQ for how to copy used range from the source workbook to destination workbook

FAQ/Copy Used Range/.NET/CopyUsedRange/CopyUsedRange.slnx

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+<Solution>
+  <Project Path="CopyUsedRange/CopyUsedRange.csproj" />
+</Solution>

FAQ/Copy Used Range/.NET/CopyUsedRange/CopyUsedRange/CopyUsedRange.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net10.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Syncfusion.XlsIO.Net.Core" Version="*" />
+  </ItemGroup>
+
+  <ItemGroup>
+	<None Update="Output\*">
+		<CopyToOutputDirectory>Always</CopyToOutputDirectory>
+	</None>
+	<None Update="Data\*">
+		<CopyToOutputDirectory>Always</CopyToOutputDirectory>
+	</None>
+  </ItemGroup>
+
+</Project>

FAQ/Copy Used Range/.NET/CopyUsedRange/CopyUsedRange/Program.cs

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+using Syncfusion.XlsIO;
+
+namespace CopyUsedRange
+{
+    class Program
+    {
+        public static void Main(string[] args)
+        {
+            using (ExcelEngine excelEngine = new ExcelEngine())
+            {
+                IApplication application = excelEngine.Excel;
+                application.DefaultVersion = ExcelVersion.Xlsx;
+                IWorkbook sourceWorkbook = application.Workbooks.Open(Path.GetFullPath(@"Data/Source.xlsx"));
+                IWorkbook destinationWorkbook = application.Workbooks.Open(Path.GetFullPath(@"Data/Destination.xlsx"));
+
+                IWorksheet sourceWorksheet = sourceWorkbook.Worksheets["Sheet1"];
+                IWorksheet destinationWorksheet = destinationWorkbook.Worksheets["Sheet1"];
+
+                //Get the actual used range from source sheet
+                IRange sourceRange = sourceWorksheet.UsedRange;
+
+                //Copy the entire used range from source sheet to destination sheet
+                sourceRange.CopyTo(destinationWorksheet.Range[sourceRange.Row, sourceRange.Column]);
+
+                //Save the destination workbook
+                destinationWorkbook.SaveAs(Path.GetFullPath(@"Output/Output.xlsx"));
+            }
+        }
+    }
+}