diff --git a/SECURITY.md b/SECURITY.md
new file mode 100644
index 0000000..63bce7d
--- /dev/null
+++ b/SECURITY.md
@@ -0,0 +1,3 @@
+# Reporting Security Issues
+
+To report a security issue, please use the GitHub Security Advisory ["Report a Vulnerability"](https://github.com/abap2xlsx/abap2xlsx/security/advisories/new) tab.
diff --git a/src/zcl_excel_reader_2007.clas.abap b/src/zcl_excel_reader_2007.clas.abap
index d8cbd40..e4266e5 100644
--- a/src/zcl_excel_reader_2007.clas.abap
+++ b/src/zcl_excel_reader_2007.clas.abap
@@ -996,25 +996,31 @@ CLASS zcl_excel_reader_2007 IMPLEMENTATION.
 *--------------------------------------------------------------------*
           CLEAR: lv_current_offset.
           WHILE lo_node_si_child IS BOUND.                                             " actually these children of <si> are <r>-tags
-            CLEAR: ls_rtf.
+            lv_tag_name = lo_node_si_child->get_name( ).
+            IF lv_tag_name = 'r'.
 
-            " extracting rich text formating data
-            lo_node_r_child_rpr ?= lo_node_si_child->find_from_name_ns( name = 'rPr' uri = namespace-main ).
-            IF lo_node_r_child_rpr IS BOUND.
-              lo_font = load_style_font( lo_node_r_child_rpr ).
-              ls_rtf-font = lo_font->get_structure( ).
-            ENDIF.
-            ls_rtf-offset = lv_current_offset.
-            " extract the <t>...</t> part of each <r>-tag
-            lo_node_r_child_t ?= lo_node_si_child->find_from_name_ns( name = 't' uri = namespace-main ).
-            IF lo_node_r_child_t IS BOUND.
-              lv_node_value = unescape_string_value( lo_node_r_child_t->get_value( ) ).
-              CONCATENATE <ls_shared_string>-value lv_node_value INTO <ls_shared_string>-value RESPECTING BLANKS.
-              ls_rtf-length = strlen( lv_node_value ).
-            ENDIF.
+              CLEAR: ls_rtf.
 
-            lv_current_offset = strlen( <ls_shared_string>-value ).
-            APPEND ls_rtf TO <ls_shared_string>-rtf.
+              " extracting rich text formating data
+              lo_node_r_child_rpr ?= lo_node_si_child->find_from_name_ns( name = 'rPr' uri = namespace-main ).
+              IF lo_node_r_child_rpr IS BOUND.
+                lo_font = load_style_font( lo_node_r_child_rpr ).
+                ls_rtf-font = lo_font->get_structure( ).
+              ENDIF.
+              ls_rtf-offset = lv_current_offset.
+              " extract the <t>...</t> part of each <r>-tag
+              lo_node_r_child_t ?= lo_node_si_child->find_from_name_ns( name = 't' uri = namespace-main ).
+              IF lo_node_r_child_t IS BOUND.
+                lv_node_value = unescape_string_value( lo_node_r_child_t->get_value( ) ).
+                CONCATENATE <ls_shared_string>-value lv_node_value INTO <ls_shared_string>-value RESPECTING BLANKS.
+                ls_rtf-length = strlen( lv_node_value ).
+
+                IF ls_rtf-length > 0.
+                  lv_current_offset = strlen( <ls_shared_string>-value ).
+                  APPEND ls_rtf TO <ls_shared_string>-rtf.
+                ENDIF.
+              ENDIF.
+            ENDIF.
 
             lo_node_si_child ?= lo_node_si_child->get_next( ).
 
diff --git a/src/zcl_excel_table.clas.abap b/src/zcl_excel_table.clas.abap
index 6887e3f..d6ecbea 100644
--- a/src/zcl_excel_table.clas.abap
+++ b/src/zcl_excel_table.clas.abap
@@ -174,8 +174,10 @@ CLASS zcl_excel_table IMPLEMENTATION.
 
 
   METHOD get_reference.
-    DATA: lv_column                TYPE zexcel_cell_column,
+    DATA: lv_start_column          TYPE zexcel_cell_column,
+          lv_end_column            TYPE zexcel_cell_column,
           lv_table_lines           TYPE i,
+          lv_left_column           TYPE zexcel_cell_column_alpha,
           lv_right_column          TYPE zexcel_cell_column_alpha,
           ls_field_catalog         TYPE zexcel_s_fieldcatalog,
           lv_bottom_row            TYPE zexcel_cell_row,
@@ -185,13 +187,12 @@ CLASS zcl_excel_table IMPLEMENTATION.
     FIELD-SYMBOLS: <fs_table> TYPE STANDARD TABLE.
 
 *column
-    lv_column = zcl_excel_common=>convert_column2int( settings-top_left_column ).
+    lv_start_column = zcl_excel_common=>convert_column2int( settings-top_left_column ).
     lv_table_lines = 0.
     LOOP AT fieldcat INTO ls_field_catalog WHERE dynpfld EQ abap_true.
       ADD 1 TO lv_table_lines.
     ENDLOOP.
-    lv_column = lv_column + lv_table_lines - 1.
-    lv_right_column  = zcl_excel_common=>convert_column2alpha( lv_column ).
+    lv_end_column = lv_start_column + lv_table_lines - 1.
 
 *row
     ASSIGN table_data->* TO <fs_table>.
@@ -208,7 +209,9 @@ CLASS zcl_excel_table IMPLEMENTATION.
     lv_top_row_string = zcl_excel_common=>number_to_excel_string( settings-top_left_row ).
     lv_bottom_row_string = zcl_excel_common=>number_to_excel_string( lv_bottom_row ).
 
-    CONCATENATE settings-top_left_column lv_top_row_string
+    lv_left_column  = zcl_excel_common=>convert_column2alpha( lv_start_column ).
+    lv_right_column  = zcl_excel_common=>convert_column2alpha( lv_end_column ).
+    CONCATENATE lv_left_column lv_top_row_string
                 ':'
                 lv_right_column lv_bottom_row_string INTO ov_reference.
 
diff --git a/src/zcl_excel_writer_csv.clas.abap b/src/zcl_excel_writer_csv.clas.abap
index 7aa976b..4c0dbc8 100644
--- a/src/zcl_excel_writer_csv.clas.abap
+++ b/src/zcl_excel_writer_csv.clas.abap
@@ -30,6 +30,12 @@ CLASS zcl_excel_writer_csv DEFINITION
     CLASS-METHODS set_initial_ext_date
       IMPORTING
         !ip_value TYPE char10 DEFAULT c_default .
+    CLASS-METHODS set_skip_hidden_rows
+      IMPORTING
+        !ip_value TYPE abap_bool.
+    CLASS-METHODS set_skip_hidden_columns
+      IMPORTING
+        !ip_value TYPE abap_bool.
 *"* protected components of class ZCL_EXCEL_WRITER_CSV
 *"* do not include other source files here!!!
   PROTECTED SECTION.
@@ -45,6 +51,8 @@ CLASS zcl_excel_writer_csv DEFINITION
     CLASS-DATA worksheet_name TYPE zexcel_worksheets_name .
     CLASS-DATA worksheet_index TYPE zexcel_active_worksheet .
     CLASS-DATA initial_ext_date TYPE char10 VALUE c_default.
+    CLASS-DATA skip_hidden_rows TYPE abap_bool.
+    CLASS-DATA skip_hidden_columns TYPE abap_bool.
 
     METHODS create
       RETURNING
@@ -91,6 +99,9 @@ CLASS ZCL_EXCEL_WRITER_CSV IMPLEMENTATION.
     DATA: lo_iterator  TYPE REF TO zcl_excel_collection_iterator,
           lo_worksheet TYPE REF TO zcl_excel_worksheet.
 
+    DATA: lo_autofilter TYPE REF TO zcl_excel_autofilter.
+    DATA: lv_row_hidden TYPE abap_bool.
+
     DATA: lt_cell_data TYPE zexcel_t_cell_data_unsorted,
           lv_row       TYPE i,
           lv_col       TYPE i,
@@ -113,8 +124,9 @@ CLASS ZCL_EXCEL_WRITER_CSV IMPLEMENTATION.
 * --- Retrieve SAP date format
     CLEAR ls_format.
     SELECT ddtext INTO ls_format-attvalue FROM dd07t WHERE domname    = 'XUDATFM'
-                                                       AND ddlanguage = sy-langu.
+                                                       AND ( ddlanguage = sy-langu OR ddlanguage = 'E' ).
       ls_format-cmpname = 'DATE'.
+      ls_format-attvalue = ls_format-attvalue(10). " Ignore description, only use pattern
       CONDENSE ls_format-attvalue.
       CONCATENATE '''' ls_format-attvalue '''' INTO ls_format-attvalue.
       APPEND ls_format TO lt_format.
@@ -151,11 +163,54 @@ CLASS ZCL_EXCEL_WRITER_CSV IMPLEMENTATION.
 
     SORT lt_cell_data BY cell_row
                          cell_column.
+
+    IF skip_hidden_rows = abap_true.
+* --- Retrieve autofilters (to identify hidden rows)
+      lo_autofilter = excel->get_autofilters_reference( )->get( io_worksheet = lo_worksheet ).
+      IF lo_autofilter IS NOT INITIAL.
+        lo_autofilter->get_filter_area( ). " trigger filter area validation
+      ENDIF.
+    ENDIF.
+
     lv_row = 1.
     lv_col = 1.
     CLEAR lv_string.
     LOOP AT lt_cell_data ASSIGNING <fs_sheet_content>.
 
+* --- Check, if row is hidden
+      AT NEW cell_row.
+        IF lo_autofilter IS NOT INITIAL.
+          lv_row_hidden = lo_autofilter->is_row_hidden( iv_row = <fs_sheet_content>-cell_row ).
+        ENDIF.
+      ENDAT.
+
+* --- Add empty rows
+      WHILE lv_row < <fs_sheet_content>-cell_row.
+        CONCATENATE lv_string zcl_excel_writer_csv=>eol INTO lv_string.
+        lv_row = lv_row + 1.
+        lv_col = 1.
+      ENDWHILE.
+
+* --- Skip hidden rows
+      IF lv_row_hidden = abap_true.
+        lv_row = <fs_sheet_content>-cell_row + 1.
+        lv_col = 1.
+        CONTINUE.
+      ENDIF.
+
+* --- Add empty columns
+      WHILE lv_col < <fs_sheet_content>-cell_column.
+        CONCATENATE lv_string zcl_excel_writer_csv=>delimiter INTO lv_string.
+        lv_col = lv_col + 1.
+      ENDWHILE.
+
+* --- Skip hidden columns
+      IF skip_hidden_columns = abap_true AND
+          lo_worksheet->get_column( ip_column = <fs_sheet_content>-cell_column )->get_visible( ) = abap_false.
+        lv_col = <fs_sheet_content>-cell_column + 1.
+        CONTINUE.
+      ENDIF.
+
 *   --- Retrieve Cell Style format and data type
       CLEAR ls_numfmt.
       IF <fs_sheet_content>-data_type IS INITIAL AND <fs_sheet_content>-cell_style IS NOT INITIAL.
@@ -210,19 +265,6 @@ CLASS ZCL_EXCEL_WRITER_CSV IMPLEMENTATION.
         ENDIF. " lv_attrname IS NOT INITIAL.
       ENDIF. " <fs_sheet_content>-data_type IS INITIAL AND ls_numfmt IS NOT INITIAL.
 
-* --- Add empty rows
-      WHILE lv_row < <fs_sheet_content>-cell_row.
-        CONCATENATE lv_string zcl_excel_writer_csv=>eol INTO lv_string.
-        lv_row = lv_row + 1.
-        lv_col = 1.
-      ENDWHILE.
-
-* --- Add empty columns
-      WHILE lv_col < <fs_sheet_content>-cell_column.
-        CONCATENATE lv_string zcl_excel_writer_csv=>delimiter INTO lv_string.
-        lv_col = lv_col + 1.
-      ENDWHILE.
-
 * ----- Use format to determine the data type and display format.
       CASE <fs_sheet_content>-data_type.
 
@@ -318,6 +360,16 @@ CLASS ZCL_EXCEL_WRITER_CSV IMPLEMENTATION.
   ENDMETHOD.
 
 
+  METHOD set_skip_hidden_rows.
+    skip_hidden_rows = ip_value.
+  ENDMETHOD.
+
+
+  METHOD set_skip_hidden_columns.
+    skip_hidden_columns = ip_value.
+  ENDMETHOD.
+
+
   METHOD zif_excel_writer~write_file.
     me->excel = io_excel.
     ep_file = me->create( ).