diff --git a/components/fpspreadsheet/fpsopendocument.pas b/components/fpspreadsheet/fpsopendocument.pas
index c9474f983..f86d2fa18 100755
--- a/components/fpspreadsheet/fpsopendocument.pas
+++ b/components/fpspreadsheet/fpsopendocument.pas
@@ -184,6 +184,7 @@ type
     function WriteBorderStyleXMLAsString(const AFormat: TsCellFormat): String;
     function WriteCommentXMLAsString(AComment: String): String;
     function WriteDefaultFontXMLAsString: String;
+    function WriteDefaultGraphicStyleXMLAsString: String; overload;
     function WriteFontStyleXMLAsString(const AFormat: TsCellFormat): String; overload;
     function WriteFontStyleXMLAsString(AFont: TsFont): String; overload;
     function WriteHeaderFooterFontXMLAsString(AFont: TsHeaderFooterFont): String;
@@ -4335,6 +4336,11 @@ begin
         '<style:style style:name="Default" style:family="table-cell">',
            WriteDefaultFontXMLAsString,
         '</style:style>');
+  if FWorkbook.GetEmbeddedStreamCount > 0 then
+    AppendToStream(FSStyles,
+        '<style:default-style style:family="graphic">',
+          WriteDefaultGraphicStyleXMLAsString,
+        '</style:default-style>');
   AppendToStream(FSStyles,
       '</office:styles>');
 
@@ -5496,6 +5502,28 @@ begin
   );
 end;
 
+function TsSpreadOpenDocWriter.WriteDefaultGraphicStyleXMLAsString: String;
+begin
+  Result :=
+    '<style:graphic-properties svg:stroke-color="#3465a4" '+
+      'draw:fill-color="#729fcf" fo:wrap-option="no-wrap" '+
+      'draw:shadow-offset-x="3mm" draw:shadow-offset-y="3mm" />' +
+    '<style:paragraph-properties style:text-autospace="ideograph-alpha" '+
+      'style:punctuation-wrap="simple" style:line-break="strict" '+
+      'style:writing-mode="page" style:font-independent-line-spacing="false">'+
+      '<style:tab-stops />'+
+    '</style:paragraph-properties>'+
+    '<style:text-properties style:use-window-font-color="true" '+
+      'fo:font-family="''Liberation Serif''" style:font-family-generic="roman" '+
+      'style:font-pitch="variable" fo:font-size="12pt" ' +
+      //'fo:language="de" fo:country="DE" '+
+      'style:letter-kerning="true" '+
+      'style:font-name-asian="Segoe UI" style:font-size-asian="12pt" '+
+      'style:language-asian="zh" style:country-asian="CN" '+
+      'style:font-name-complex="Tahoma" style:font-size-complex="12pt" '+
+      'style:language-complex="hi" style:country-complex="IN" />';
+end;
+
 procedure TsSpreadOpenDocWriter.WriteError(AStream: TStream;
   const ARow, ACol: Cardinal; const AValue: TsErrorValue; ACell: PCell);
 var
diff --git a/components/fpspreadsheet/xlsbiff2.pas b/components/fpspreadsheet/xlsbiff2.pas
index 052ada39b..2dbb8a890 100755
--- a/components/fpspreadsheet/xlsbiff2.pas
+++ b/components/fpspreadsheet/xlsbiff2.pas
@@ -106,6 +106,7 @@ type
     procedure WriteBool(AStream: TStream; const ARow, ACol: Cardinal;
       const AValue: Boolean; ACell: PCell); override;
     procedure WriteCodePage(AStream: TStream; ACodePage: String); override;
+    procedure WriteDefaultRowHeight(AStream: TStream; AWorksheet: TsWorksheet);
     procedure WriteError(AStream: TStream; const ARow, ACol: Cardinal;
       const AValue: TsErrorValue; ACell: PCell); override;
     procedure WriteFORMAT(AStream: TStream; ANumFormatStr: String;
@@ -179,7 +180,7 @@ const
   INT_EXCEL_ID_FORMAT        = $001E;
   INT_EXCEL_ID_FORMATCOUNT   = $001F;
   INT_EXCEL_ID_COLWIDTH      = $0024;
-  INT_EXCEL_ID_DEFROWHEIGHT  = 00025;
+  INT_EXCEL_ID_DEFROWHEIGHT  = $0025;
   INT_EXCEL_ID_WINDOW2       = $003E;
   INT_EXCEL_ID_XF            = $0043;
   INT_EXCEL_ID_IXFE          = $0044;
@@ -1310,6 +1311,7 @@ begin
     WriteCodePage(AStream, FCodePage);
     WritePrintHeaders(AStream);
     WritePrintGridLines(AStream);
+    WriteDefaultRowHeight(AStream, FWorksheet);
     WriteFonts(AStream);
 
     // Page settings block
@@ -1323,6 +1325,8 @@ begin
     WriteFormatCount(AStream);
     WriteNumFormats(AStream);
     WriteXFRecords(AStream);
+
+    WriteDefaultColWidth(AStream, FWorksheet);
     WriteColWidths(AStream);
     WriteDimensions(AStream, FWorksheet);
     WriteRows(AStream, FWorksheet);
@@ -1760,6 +1764,27 @@ begin
   AStream.WriteBuffer(rec, SizeOf(rec));
 end;
 
+{@@ ----------------------------------------------------------------------------
+  Writes an Excel 2 DEFAULTROWHEIGHT record
+  Specifies the default height and default flags for rows that do not have a
+  corresponding ROW record
+-------------------------------------------------------------------------------}
+procedure TsSpreadBIFF2Writer.WriteDefaultRowHeight(AStream: TStream;
+  AWorksheet: TsWorksheet);
+var
+  h: Single;
+begin
+  { BIFF record header }
+  WriteBIFFHeader(AStream, INT_EXCEL_ID_DEFROWHEIGHT, 2);
+
+  { Default height for unused rows, in twips = 1/20 of a point
+    Bits 0-14: Default height for unused rows, in twips
+    Bit 15 = 1: Row height not changed manually }
+  h := (AWorksheet.DefaultRowHeight + ROW_HEIGHT_CORRECTION) * FWorkbook.GetDefaultFontSize;
+  AStream.WriteWord(WordToLE(PtsToTwips(h)));
+end;
+
+
 {@@ ----------------------------------------------------------------------------
   Writes an Excel 2 ERROR cell record.
 -------------------------------------------------------------------------------}
diff --git a/components/fpspreadsheet/xlsbiff5.pas b/components/fpspreadsheet/xlsbiff5.pas
index 604a52b46..526971b44 100755
--- a/components/fpspreadsheet/xlsbiff5.pas
+++ b/components/fpspreadsheet/xlsbiff5.pas
@@ -1144,6 +1144,7 @@ begin
       WriteIndex(AStream);
       WritePrintHeaders(AStream);
       WritePrintGridLines(AStream);
+      WriteDefaultRowHeight(AStream, FWorksheet);
       WriteSheetPR(AStream);
 
       // Page settings block
@@ -1157,6 +1158,7 @@ begin
       WriteMargin(AStream, 3);  // 3 = bottom margin
       WritePageSetup(AStream);
 
+      WriteDefaultColWidth(AStream, FWorksheet);
       WriteColInfos(AStream, FWorksheet);
       WriteDimensions(AStream, FWorksheet);
       WriteWindow2(AStream, FWorksheet);
diff --git a/components/fpspreadsheet/xlsbiff8.pas b/components/fpspreadsheet/xlsbiff8.pas
index 42c5a913c..625d931f5 100755
--- a/components/fpspreadsheet/xlsbiff8.pas
+++ b/components/fpspreadsheet/xlsbiff8.pas
@@ -2121,6 +2121,7 @@ begin
       WriteIndex(AStream);
       WritePrintHeaders(AStream);
       WritePrintGridLines(AStream);
+      WriteDefaultRowHeight(AStream, FWorksheet);
       WriteSheetPR(AStream);
 
       // Page setting block
@@ -2134,6 +2135,7 @@ begin
       WriteMargin(AStream, 3);  // 3 = bottom margin
       WritePageSetup(AStream);
 
+      WriteDefaultColWidth(AStream, FWorksheet);
       WriteColInfos(AStream, FWorksheet);
       WriteDimensions(AStream, FWorksheet);
       //WriteRowAndCellBlock(AStream, sheet);
diff --git a/components/fpspreadsheet/xlscommon.pas b/components/fpspreadsheet/xlscommon.pas
index 233d7065a..469fcd251 100644
--- a/components/fpspreadsheet/xlscommon.pas
+++ b/components/fpspreadsheet/xlscommon.pas
@@ -530,6 +530,10 @@ type
     // Writes out a TIME/DATE/TIMETIME
     procedure WriteDateTime(AStream: TStream; const ARow, ACol: Cardinal;
        const AValue: TDateTime; ACell: PCell); override;
+    // Writes out a DEFCOLWIDTH record
+    procedure WriteDefaultColWidth(AStream: TStream; AWorksheet: TsWorksheet);
+    // Writes out a DEFAULTROWHEIGHT record
+    procedure WriteDefaultRowHeight(AStream: TStream; AWorksheet: TsWorksheet);
     // Writes out DEFINEDNAMES records
     procedure WriteDefinedName(AStream: TStream; AWorksheet: TsWorksheet;
        const AName: String; AIndexToREF: Word); virtual;
@@ -3296,6 +3300,50 @@ begin
   WriteNumber(AStream, ARow, ACol, ExcelDateSerial, ACell);
 end;
 
+{@@ ----------------------------------------------------------------------------
+  Writes a DEFCOLWIDTH record.
+  Specifies the default column width for columns that do not have a
+  specific width set using the records COLWIDTH (BIFF2), COLINFO (BIFF3-BIFF8),
+  or STANDARDWIDTH.
+  Valud for BIFF2-BIFF8.
+-------------------------------------------------------------------------------}
+procedure TsSpreadBIFFWriter.WriteDefaultColWidth(AStream: TStream;
+  AWorksheet: TsWorksheet);
+begin
+  { BIFF record header }
+  WriteBIFFHeader(AStream, INT_EXCEL_ID_DEFCOLWIDTH, 2);
+
+  { Column width in characters, using the width of the zero character
+  from default font (first FONT record in the file). }
+  AStream.WriteWord(round(FWorksheet.DefaultColWidth));
+end;
+
+{@@ ----------------------------------------------------------------------------
+  Writes a DEFAULTROWHEIGHT record
+  Specifies the default height and default flags for rows that do not have a
+  corresponding ROW record
+  Valid for BIFF3-BIFF8.
+-------------------------------------------------------------------------------}
+procedure TsSpreadBIFFWriter.WriteDefaultRowHeight(AStream: TStream;
+  AWorksheet: TsWorksheet);
+var
+  h: Single;
+begin
+  { BIFF record header }
+  WriteBIFFHeader(AStream, INT_EXCEL_ID_DEFROWHEIGHT, 4);
+
+  { Options:
+      Bit 1 = Row height and default font height do not match
+      Bit 2 = Row is hidden
+      Bit 4 = Additional space above the row
+      Bit 8 = Additional space below the row }
+  AStream.WriteWord(WordToLE($0001));
+
+  { Default height for unused rows, in twips = 1/20 of a point }
+  h := (AWorksheet.DefaultRowHeight + ROW_HEIGHT_CORRECTION) * FWorkbook.GetDefaultFontSize;
+  AStream.WriteWord(WordToLE(PtsToTwips(h)));
+end;
+
 procedure TsSpreadBIFFWriter.WriteDefinedName(AStream: TStream;
   AWorksheet: TsWorksheet; const AName: String; AIndexToREF: Word);
 begin
diff --git a/components/fpspreadsheet/xlsxooxml.pas b/components/fpspreadsheet/xlsxooxml.pas
index 3004fce66..69bd4a352 100755
--- a/components/fpspreadsheet/xlsxooxml.pas
+++ b/components/fpspreadsheet/xlsxooxml.pas
@@ -148,6 +148,7 @@ type
     procedure WritePageSetup(AStream: TStream; AWorksheet: TsWorksheet);
     procedure WritePrintOptions(AStream: TStream; AWorksheet: TsWorksheet);
     procedure WriteSheetData(AStream: TStream; AWorksheet: TsWorksheet);
+    procedure WriteSheetFormatPr(AStream: TStream; AWorksheet: TsWorksheet);
     procedure WriteSheetPr(AStream: TStream; AWorksheet: TsWorksheet);
     procedure WriteSheetViews(AStream: TStream; AWorksheet: TsWorksheet);
     procedure WriteStyleList(AStream: TStream; ANodeName: String);
@@ -3020,6 +3021,19 @@ begin
       '</sheetData>');
 end;
 
+procedure TsSpreadOOXMLWriter.WriteSheetFormatPr(AStream: TStream;
+  AWorksheet: TsWorksheet);
+var
+  w, h: Single;
+begin
+  w := AWorksheet.DefaultColWidth;
+  h := (AWorksheet.DefaultRowHeight + ROW_HEIGHT_CORRECTION) * Workbook.GetDefaultFontSize;
+  AppendToStream(AStream, Format(
+    '<sheetFormatPr baseColWidth="%g" defaultRowHeight="%g" customHeight="true" />',
+    [w, h],
+    FPointSeparatorSettings));
+end;
+
 procedure TsSpreadOOXMLWriter.WriteSheetPr(AStream: TStream; AWorksheet: TsWorksheet);
 var
   s: String;
@@ -4194,6 +4208,7 @@ begin
   WriteSheetPr(FSSheets[FCurSheetNum], AWorksheet);
   WriteDimension(FSSheets[FCurSheetNum], AWorksheet);
   WriteSheetViews(FSSheets[FCurSheetNum], AWorksheet);
+  WriteSheetFormatPr(FSSheets[FCurSheetNum], AWorksheet);
   WriteCols(FSSheets[FCurSheetNum], AWorksheet);
   WriteSheetData(FSSheets[FCurSheetNum], AWorksheet);
   WriteMergedCells(FSSheets[FCurSheetNum], AWorksheet);