diff --git a/src/demos/zdemo_excel40.prog.abap b/src/demos/zdemo_excel40.prog.abap
index 0c3f3be..54bf595 100644
--- a/src/demos/zdemo_excel40.prog.abap
+++ b/src/demos/zdemo_excel40.prog.abap
@@ -1,8 +1,9 @@
 REPORT zdemo_excel40.
 
 
-DATA: lo_excel     TYPE REF TO zcl_excel,
-      lo_worksheet TYPE REF TO zcl_excel_worksheet.
+DATA: lo_excel         TYPE REF TO zcl_excel,
+      lo_worksheet     TYPE REF TO zcl_excel_worksheet,
+      lo_style_changer TYPE REF TO zif_excel_style_changer.
 
 DATA: lv_row       TYPE zexcel_cell_row,
       lv_col       TYPE i,
@@ -29,41 +30,32 @@ START-OF-SELECTION.
 *    - first 3 rows will  have fontcolor set
 *    These marked cells will be used for repeatable rows/columns on printpages
 *--------------------------------------------------------------------*
-  DO 100 TIMES.  " Rows
+    lo_worksheet->set_area(
+          ip_column_start = 1
+          ip_column_end   = 20
+          ip_row          = 1
+          ip_row_to       = 100
+          ip_formula      = 'CHAR(64+COLUMN())&TEXT(ROW(),"????????0")'
+          ip_area         = lo_worksheet->c_area-whole ).
 
-    lv_row = sy-index .
-    WRITE lv_row TO lv_row_char.
-
-    DO 20 TIMES.
-
-      lv_col = sy-index - 1.
-      CONCATENATE sy-abcde+lv_col(1) lv_row_char INTO lv_value.
-      lv_col = sy-index.
-      lo_worksheet->set_cell( ip_row    = lv_row
-                              ip_column = lv_col
-                              ip_value  = lv_value ).
-
-      TRY.
-          IF lv_row <= 3.
-            lo_worksheet->change_cell_style(  ip_column           = lv_col
-                                              ip_row              = lv_row
-                                              ip_fill_filltype    = zcl_excel_style_fill=>c_fill_solid
-                                              ip_fill_fgcolor_rgb = zcl_excel_style_color=>c_yellow ).
-          ENDIF.
-          IF lv_col <= 4.
-            lo_worksheet->change_cell_style(  ip_column           = lv_col
-                                              ip_row              = lv_row
-                                              ip_font_color_rgb   = zcl_excel_style_color=>c_red ).
-          ENDIF.
-        CATCH zcx_excel .
-      ENDTRY.
-
-    ENDDO.
-
-
-
-  ENDDO.
+    lo_style_changer = zcl_excel_style_changer=>create( lo_excel ).
+    lo_style_changer->set_fill_filltype( zcl_excel_style_fill=>c_fill_solid ).
+    lo_style_changer->set_fill_fgcolor_rgb( zcl_excel_style_color=>c_yellow ).
+    lo_worksheet->change_area_style(
+          ip_column_start  = 1
+          ip_column_end    = 20
+          ip_row           = 1
+          ip_row_to        = 3
+          ip_style_changer = lo_style_changer ).
 
+    lo_style_changer = zcl_excel_style_changer=>create( lo_excel ).
+    lo_style_changer->set_font_color_rgb( zcl_excel_style_color=>c_red ).
+    lo_worksheet->change_area_style(
+          ip_column_start  = 1
+          ip_column_end    = 4
+          ip_row           = 1
+          ip_row_to        = 100
+          ip_style_changer = lo_style_changer ).
 
 *--------------------------------------------------------------------*
 *  Printsettings
diff --git a/src/demos/zdemo_excel40.prog.xml b/src/demos/zdemo_excel40.prog.xml
index 4242d2e..d9e5dff 100644
--- a/src/demos/zdemo_excel40.prog.xml
+++ b/src/demos/zdemo_excel40.prog.xml
@@ -13,8 +13,8 @@
    <TPOOL>
     <item>
      <ID>R</ID>
-     <ENTRY>abap2xlsx Demo: Print settings</ENTRY>
-     <LENGTH>30</LENGTH>
+     <ENTRY>abap2xlsx Demo: Area and Print settings</ENTRY>
+     <LENGTH>39</LENGTH>
     </item>
     <item>
      <ID>S</ID>
diff --git a/src/zcl_excel_worksheet.clas.abap b/src/zcl_excel_worksheet.clas.abap
index b5ada1f..fb5f19d 100644
--- a/src/zcl_excel_worksheet.clas.abap
+++ b/src/zcl_excel_worksheet.clas.abap
@@ -176,6 +176,15 @@ CLASS zcl_excel_worksheet DEFINITION
     METHODS calculate_column_widths
       RAISING
         zcx_excel .
+    METHODS change_area_style
+      IMPORTING
+        !ip_column_start  TYPE simple
+        !ip_column_end    TYPE simple OPTIONAL
+        !ip_row           TYPE zexcel_cell_row
+        !ip_row_to        TYPE zexcel_cell_row OPTIONAL
+        !ip_style_changer TYPE REF TO zif_excel_style_changer
+      RAISING
+        zcx_excel.
     METHODS change_cell_style
       IMPORTING
         !ip_column                      TYPE simple
@@ -1387,6 +1396,65 @@ CLASS zcl_excel_worksheet IMPLEMENTATION.
   ENDMETHOD.                    "CALCULATE_COLUMN_WIDTHS
 
 
+  METHOD change_area_style.
+
+    DATA: lv_row              TYPE zexcel_cell_row,
+          lv_row_start        TYPE zexcel_cell_row,
+          lv_row_to           TYPE zexcel_cell_row,
+          lv_column_int       TYPE zexcel_cell_column_alpha,
+          lv_column           TYPE zexcel_cell_column_alpha,
+          lv_column_start     TYPE zexcel_cell_column_alpha,
+          lv_column_end       TYPE zexcel_cell_column_alpha,
+          lv_column_start_int TYPE zexcel_cell_column_alpha,
+          lv_column_end_int   TYPE zexcel_cell_column_alpha.
+
+    lv_row_to = ip_row_to.
+    lv_row = ip_row.
+
+    IF lv_row_to IS INITIAL OR ip_row_to IS NOT SUPPLIED.
+      lv_row_to = lv_row.
+    ENDIF.
+
+    lv_column_start = ip_column_start.
+    lv_column_end = ip_column_end.
+
+    IF lv_column_end IS INITIAL OR ip_column_end IS NOT SUPPLIED.
+      lv_column_end = lv_column_start.
+    ENDIF.
+
+    lv_column_start_int = zcl_excel_common=>convert_column2int( lv_column_start ).
+    lv_column_end_int   = zcl_excel_common=>convert_column2int( lv_column_end ).
+
+    IF lv_column_start_int > lv_column_end_int OR lv_row > lv_row_to.
+
+      RAISE EXCEPTION TYPE zcx_excel
+        EXPORTING
+          error = 'Wrong Merging Parameters'.
+
+    ENDIF.
+
+    lv_column_int = lv_column_start_int.
+    lv_row_start = lv_row.
+    WHILE lv_column_int <= lv_column_end_int.
+
+      lv_column = zcl_excel_common=>convert_column2alpha( lv_column_int ).
+      lv_row = lv_row_start.
+
+      WHILE lv_row <= lv_row_to.
+
+        ip_style_changer->apply( ip_worksheet = me
+                                 ip_column    = lv_column_int
+                                 ip_row       = lv_row ).
+
+        ADD 1 TO lv_row.
+      ENDWHILE.
+
+      ADD 1 TO lv_column_int.
+    ENDWHILE.
+
+  ENDMETHOD.
+
+
   METHOD change_cell_style.
 
     DATA: changer TYPE REF TO zif_excel_style_changer.
diff --git a/src/zcl_excel_worksheet.clas.xml b/src/zcl_excel_worksheet.clas.xml
index a9bcd5e..edad9b8 100644
--- a/src/zcl_excel_worksheet.clas.xml
+++ b/src/zcl_excel_worksheet.clas.xml
@@ -189,6 +189,12 @@
      <LANGU>I</LANGU>
      <DESCRIPT>Calculate widths for auto-size columns</DESCRIPT>
     </SEOCOMPOTX>
+    <SEOCOMPOTX>
+     <CLSNAME>ZCL_EXCEL_WORKSHEET</CLSNAME>
+     <CMPNAME>CHANGE_AREA_STYLE</CMPNAME>
+     <LANGU>E</LANGU>
+     <DESCRIPT>Change area style</DESCRIPT>
+    </SEOCOMPOTX>
     <SEOCOMPOTX>
      <CLSNAME>ZCL_EXCEL_WORKSHEET</CLSNAME>
      <CMPNAME>CHANGE_CELL_STYLE</CMPNAME>