diff --git a/Components/WinForms/FormNonVisualComponents.cs b/Components/WinForms/FormNonVisualComponents.cs
index f482929..9efc0ae 100644
--- a/Components/WinForms/FormNonVisualComponents.cs
+++ b/Components/WinForms/FormNonVisualComponents.cs
@@ -32,7 +32,7 @@ namespace WinForms
         /// <param name="e"></param>
         private void buttonCreateTextDocument_Click(object sender, EventArgs e)
         {
-            string filepath = "C:\\Users\\masen\\OneDrive\\Рабочий стол\\BigTextDocumentExcel.xls";
+            string filepath = "C:\\Users\\masen\\OneDrive\\Рабочий стол\\BigTextDocumentExcel.xlsx";
             string title = "Документ с большим текстом";
 
             string[] rows = 
@@ -53,7 +53,7 @@ namespace WinForms
         /// <param name="e"></param>
         private void buttonCreateTableDocument_Click(object sender, EventArgs e)
         {
-            string filepath = "C:\\Users\\masen\\OneDrive\\Рабочий стол\\TableDocumentExcel.xls";
+            string filepath = "C:\\Users\\masen\\OneDrive\\Рабочий стол\\TableDocumentExcel.xlsx";
             string title = "Документ с таблицей";
 
             List<MergeCells> mergeCells = new List<MergeCells>()
@@ -98,7 +98,7 @@ namespace WinForms
         private void buttonCreateDiagramDocument_Click(object sender, EventArgs e)
         {
             LineChartConfig config = new LineChartConfig();
-            config.Filepath = "C:\\Users\\masen\\OneDrive\\Рабочий стол\\DiagramDocumentExcel.xls";
+            config.Filepath = "C:\\Users\\masen\\OneDrive\\Рабочий стол\\DiagramDocumentExcel.xlsx";
             config.Header = "Документ с диаграммой";
             config.ChartTitle = "Моя диаграмма";
             string[] charts = { "График 1", "График 2" };