Generate MS Excel XLSX comparison reports using C#

// Generate a report on alterations in XLSX files

// Instantiate the Comparer object for spreadsheets processing
using (Comparer comparer = new Comparer("source.xlsx"))
{
    // Include at least one file for comparison
	comparer.Add("file_to_compare_1.xlsx");
    comparer.Add("file_to_compare_2.xlsx");
    comparer.Add("file_to_compare_3.xlsx");

    // Analyze the comparison result
    comparer.Compare("result.xlsx"); 
}