diff --git a/PIbd-23_Gutorov_I.A._IT-Company/Reports/ExcelBuilder.cs b/PIbd-23_Gutorov_I.A._IT-Company/Reports/ExcelBuilder.cs
index 7a45064..bdbfa14 100644
--- a/PIbd-23_Gutorov_I.A._IT-Company/Reports/ExcelBuilder.cs
+++ b/PIbd-23_Gutorov_I.A._IT-Company/Reports/ExcelBuilder.cs
@@ -31,7 +31,7 @@ internal class ExcelBuilder
 
     public ExcelBuilder AddHeader(string header, int startIndex, int count)
     {
-        CreateCell(startIndex, _rowIndex, header, StyleIndex.SimpleTextWithoutBorder);
+        CreateCell(startIndex, _rowIndex, header, StyleIndex.BoldTextWithoutBorder);
         for (int i = startIndex + 1; i < startIndex + count; ++i)
             CreateCell(i, _rowIndex, "", StyleIndex.SimpleTextWithoutBorder);
 
@@ -74,18 +74,18 @@ internal class ExcelBuilder
         }));
 
         for (var j = 0; j < data.First().Length; ++j)
-            CreateCell(j, _rowIndex, data.First()[j], StyleIndex.SimpleTextWithoutBorder);
+            CreateCell(j, _rowIndex, data.First()[j], StyleIndex.BoldTextWithBorder);
 
         _rowIndex++;
         for (var i = 1; i < data.Count - 1; ++i)
         {
             for (var j = 0; j < data[i].Length; ++j)
-                CreateCell(j, _rowIndex, data[i][j], StyleIndex.SimpleTextWithoutBorder);
+                CreateCell(j, _rowIndex, data[i][j], StyleIndex.SimpleTextWithBorder);
             _rowIndex++;
         }
 
         for (var j = 0; j < data.Last().Length; ++j)
-            CreateCell(j, _rowIndex, data.Last()[j], StyleIndex.SimpleTextWithoutBorder);
+            CreateCell(j, _rowIndex, data.Last()[j], StyleIndex.BoldTextWithBorder);
 
         _rowIndex++;
         return this;
@@ -242,18 +242,18 @@ internal class ExcelBuilder
                 WrapText = true
             }
         });
-        // TODO дополнить форматы
         workbookStylesPart.Stylesheet.Append(cellFormats);
     }
 
     private enum StyleIndex
     {
         SimpleTextWithoutBorder = 0,
-        // TODO дополнить стили
+        BoldTextWithoutBorder = 1,
+        SimpleTextWithBorder = 2,
+        BoldTextWithBorder = 3,
     }
 
-    private void CreateCell(int columnIndex, uint rowIndex, string text,
-    StyleIndex styleIndex)
+    private void CreateCell(int columnIndex, uint rowIndex, string text, StyleIndex styleIndex)
     {
         var columnName = GetExcelColumnName(columnIndex);
         var cellReference = columnName + rowIndex;