PM> Install-Package Spire.XLS

using Spire.Xls;

namespace CopyCellRange
{
    class Program
    {
        static void Main(string[] args)
        {
            //Create a Workbook object
            Workbook sourceBook = new Workbook();

            //Load the source workbook
            sourceBook.LoadFromFile(@"C:\Users\Administrator\Desktop\source.xlsx");

            //Get the source worksheet
            Worksheet sourceSheet = sourceBook.Worksheets[0];

            //Get the source cell range
            CellRange sourceRange = sourceSheet.Range["A1:E4"];

            //Create another Workbook objecy
            Workbook destBook = new Workbook();

            //Load the destination workbook
            destBook.LoadFromFile(@"C:\Users\Administrator\Desktop\destination.xlsx");

            //Get the destination worksheet
            Worksheet destSheet = destBook.Worksheets[0];

            //Get the destination cell range
            CellRange destRange = destSheet.Range["B2:F5"];

            //Copy data from the source range to the destination range
            sourceSheet.Copy(sourceRange, destRange);

            //Loop through the columns in the source range
            for (int i = 0; i < sourceRange.Columns.Length; i++)
            {
                //Copy the column widths also from the source range to destination range
                destRange.Columns[i].ColumnWidth = sourceRange.Columns[i].ColumnWidth;
            }
            
            //Save the destination workbook to an Excel file
            destBook.SaveToFile("CopyRange.xlsx");
        }
    }
}

Imports Spire.Xls
 
Namespace CopyCellRange
    Class Program
        Shared  Sub Main(ByVal args() As String)
            'Create a Workbook object
            Dim sourceBook As Workbook =  New Workbook() 
 
            'Load the source workbook
            sourceBook.LoadFromFile("C:\Users\Administrator\Desktop\source.xlsx")
 
            'Get the source worksheet
            Dim sourceSheet As Worksheet =  sourceBook.Worksheets(0) 
 
            'Get the source cell range
            Dim sourceRange As CellRange =  sourceSheet.Range("A1:E4") 
 
            'Create another Workbook objecy
            Dim destBook As Workbook =  New Workbook() 
 
            'Load the destination workbook
            destBook.LoadFromFile("C:\Users\Administrator\Desktop\destination.xlsx")
 
            'Get the destination worksheet
            Dim destSheet As Worksheet =  destBook.Worksheets(0) 
 
            'Get the destination cell range
            Dim destRange As CellRange =  destSheet.Range("B2:F5") 
 
            'Copy data from the source range to the destination range
            sourceSheet.Copy(sourceRange, destRange)
 
            'Loop through the columns in the source range
            Dim i As Integer
            For  i = 0 To  sourceRange.Columns.Length- 1  Step  i + 1
                'Copy the column widths also from the source range to destination range
                destRange.Columns(i).ColumnWidth = sourceRange.Columns(i).ColumnWidth
            Next
 
            'Save the destination workbook to an Excel file
            destBook.SaveToFile("CopyRange.xlsx")
        End Sub
    End Class
End Namespace

import com.spire.doc.Document;
import com.spire.doc.FileFormat;
import com.spire.doc.documents.ImageType;

import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;

public class ConvertWordToOtherFormats {

    public static void main(String[] args) throws IOException {

        //Create a Document object.
        Document doc = new Document();

        //Load the Word document.
        doc.loadFromFile("C:\\Users\\Administrator\\Desktop\\sample.docx");

        //Save Word as SVG.
        doc.saveToFile("output/ToSVG.svg",FileFormat.SVG);

        //Save Word as RTF.
        doc.saveToFile("output/ToRTF.rtf",FileFormat.Rtf);

        //Save Word as XPS.
        doc.saveToFile("output/ToXPS.xps",FileFormat.XPS);

        //Save Word as XML.
        doc.saveToFile("output/ToXML.xml",FileFormat.Xml);

        //Save Word as TXT.
        doc.saveToFile("output/ToTXT.txt",FileFormat.Txt);
    }
}

import com.spire.doc.*;

public class WordToHtml {
    public static void main(String[] args) {
        //Create a Document instance
        Document document = new Document();
        //Load a Word document
        document.loadFromFile("C:\\Users\\Test1\\Desktop\\sample.docx");

        //Save the document as HTML 
        document.saveToFile("output/toHtml.html", FileFormat.Html);
    }
}