diff --git a/ClosedXML/ClosedXML/ClosedXML.sln b/ClosedXML/ClosedXML/ClosedXML.sln
index 507e162..2ec88b1 100644
--- a/ClosedXML/ClosedXML/ClosedXML.sln
+++ b/ClosedXML/ClosedXML/ClosedXML.sln
@@ -1,6 +1,8 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 2012
+# Visual Studio 2013
+VisualStudioVersion = 12.0.30501.0
+MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ClosedXML_Sandbox", "ClosedXML_Sandbox\ClosedXML_Sandbox.csproj", "{38B882F0-E6F2-45C5-9BE9-CDC27FBEB4AB}"
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{5C94E22C-85AA-48FD-B082-CF929FFC6C31}"
@@ -30,9 +32,6 @@
 	EndProjectSection
 EndProject
 Global
-	GlobalSection(TestCaseManagementSettings) = postSolution
-		CategoryFile = ClosedXML.vsmdi
-	EndGlobalSection
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
 		Debug|Mixed Platforms = Debug|Mixed Platforms
@@ -139,4 +138,7 @@
 	GlobalSection(Performance) = preSolution
 		HasPerformanceSessions = true
 	EndGlobalSection
+	GlobalSection(TestCaseManagementSettings) = postSolution
+		CategoryFile = ClosedXML.vsmdi
+	EndGlobalSection
 EndGlobal
diff --git a/ClosedXML/ClosedXML/ClosedXML/Excel/Cells/XLCellsCollection.cs b/ClosedXML/ClosedXML/ClosedXML/Excel/Cells/XLCellsCollection.cs
index 77d0838..5c96905 100644
--- a/ClosedXML/ClosedXML/ClosedXML/Excel/Cells/XLCellsCollection.cs
+++ b/ClosedXML/ClosedXML/ClosedXML/Excel/Cells/XLCellsCollection.cs
@@ -134,6 +134,24 @@
             }
         }
 
+        internal HashSet<Int32> GetStyleIds(Int32 initial)
+        {
+            HashSet<Int32> ids = new HashSet<int>();
+            ids.Add(initial);
+            foreach (var row in rowsCollection)
+            {
+                foreach (var column in row.Value)
+                {
+                    var id = column.Value.GetStyleId();
+                    if (!ids.Contains(id))
+                    {
+                        ids.Add(id);
+                    }
+                }
+            }
+            return ids;
+        }
+
 
         internal IEnumerable<XLCell> GetCellsUsed(Int32 rowStart, Int32 columnStart,
                                     Int32 rowEnd, Int32 columnEnd,
diff --git a/ClosedXML/ClosedXML/ClosedXML/Excel/Style/Colors/XLColor_Internal.cs b/ClosedXML/ClosedXML/ClosedXML/Excel/Style/Colors/XLColor_Internal.cs
index a8bd7f3..c00a463 100644
--- a/ClosedXML/ClosedXML/ClosedXML/Excel/Style/Colors/XLColor_Internal.cs
+++ b/ClosedXML/ClosedXML/ClosedXML/Excel/Style/Colors/XLColor_Internal.cs
@@ -5,7 +5,7 @@
 {
     public partial class XLColor
     {
-        internal XLColor(XLColor defaultColor)
+        private XLColor(XLColor defaultColor)
         {
             var dColor = defaultColor;
             if (dColor._colorType == XLColorType.Color)
@@ -25,13 +25,13 @@
             _colorType = dColor._colorType;
         }
 
-        internal XLColor()
+        private XLColor()
         {
             HasValue = false;
             _hashCode = 0;
         }
 
-        internal XLColor(Color color)
+        private XLColor(Color color)
         {
             _color = color;
             _hashCode = 13 ^ color.ToArgb();
@@ -39,7 +39,7 @@
             _colorType = XLColorType.Color;
         }
 
-        internal XLColor(Int32 index)
+        private XLColor(Int32 index)
         {
             _indexed = index;
             _hashCode = 11 ^ _indexed;
@@ -47,7 +47,7 @@
             _colorType = XLColorType.Indexed;
         }
 
-        internal XLColor(XLThemeColor themeColor)
+        private XLColor(XLThemeColor themeColor)
         {
             _themeColor = themeColor;
             _themeTint = 1;
@@ -56,7 +56,7 @@
             _colorType = XLColorType.Theme;
         }
 
-        internal XLColor(XLThemeColor themeColor, Double themeTint)
+        private XLColor(XLThemeColor themeColor, Double themeTint)
         {
             _themeColor = themeColor;
             _themeTint = themeTint;
diff --git a/ClosedXML/ClosedXML/ClosedXML/Excel/Style/Colors/XLColor_Static.cs b/ClosedXML/ClosedXML/ClosedXML/Excel/Style/Colors/XLColor_Static.cs
index 098b068..dfaaaa7 100644
--- a/ClosedXML/ClosedXML/ClosedXML/Excel/Style/Colors/XLColor_Static.cs
+++ b/ClosedXML/ClosedXML/ClosedXML/Excel/Style/Colors/XLColor_Static.cs
@@ -1,50 +1,95 @@
 using System;
 using System.Collections.Generic;
 using System.Drawing;
+using DocumentFormat.OpenXml.Presentation;
 
 namespace ClosedXML.Excel
 {
     public partial class XLColor
     {
+        private static Dictionary<Color, XLColor> byColor = new Dictionary<Color, XLColor>();
         public static XLColor FromColor(Color color)
         {
-            return new XLColor(color);
+            XLColor ret;
+            if (!byColor.TryGetValue(color, out ret))
+            {
+                ret = new XLColor(color);
+                byColor.Add(color, ret);
+            }
+            return ret;
         }
+
         public static XLColor FromArgb(Int32 argb)
         {
-            return new XLColor(Color.FromArgb(argb));
+            return FromColor(Color.FromArgb(argb));
         }
         public static XLColor FromArgb(Int32 r, Int32 g, Int32 b)
         {
-            return new XLColor(Color.FromArgb(r, g, b));
+            return FromColor(Color.FromArgb(r, g, b));
         }
         public static XLColor FromArgb(Int32 a, Int32 r, Int32 g, Int32 b)
         {
-            return new XLColor(Color.FromArgb(a, r, g, b));
+            return FromColor(Color.FromArgb(a, r, g, b));
         }
         public static XLColor FromKnownColor(KnownColor color)
         {
-            return new XLColor(Color.FromKnownColor(color));
+            return FromColor(Color.FromKnownColor(color));
         }
         public static XLColor FromName(String name)
         {
-            return new XLColor(Color.FromName(name));
+            return FromColor(Color.FromName(name));
         }
         public static XLColor FromHtml(String htmlColor)
         {
-            return new XLColor(ColorTranslator.FromHtml(htmlColor));
+            return FromColor(ColorTranslator.FromHtml(htmlColor));
         }
+
+        private static Dictionary<Int32, XLColor> byIndex = new Dictionary<Int32, XLColor>();
         public static XLColor FromIndex(Int32 index)
         {
-            return new XLColor(index);
+            XLColor ret;
+            if (!byIndex.TryGetValue(index, out ret))
+            {
+                ret = new XLColor(index);
+                byIndex.Add(index, ret);
+            }
+            return ret;
         }
+
+        private static Dictionary<XLThemeColor, XLColor> byTheme = new Dictionary<XLThemeColor, XLColor>();
         public static XLColor FromTheme(XLThemeColor themeColor)
         {
-            return new XLColor(themeColor);
+            XLColor ret;
+            if (!byTheme.TryGetValue(themeColor, out ret))
+            {
+                ret = new XLColor(themeColor);
+                byTheme.Add(themeColor, ret);
+            }
+            return ret;
         }
+
+        private static Dictionary<XLThemeColor, Dictionary<Double, XLColor>> byThemeTint = new Dictionary<XLThemeColor, Dictionary<double, XLColor>>();
         public static XLColor FromTheme(XLThemeColor themeColor, Double themeTint)
         {
-            return new XLColor(themeColor, themeTint);
+            XLColor ret;
+            Dictionary<Double, XLColor> themeTints;
+            if (byThemeTint.TryGetValue(themeColor, out themeTints))
+            {
+                if (!themeTints.TryGetValue(themeTint, out ret))
+                {
+                    ret = new XLColor(themeColor, themeTint);
+                    themeTints.Add(themeTint, ret);
+                }
+            }
+            else
+            {
+                themeTints = new Dictionary<double, XLColor>();
+                ret = new XLColor(themeColor, themeTint);
+                themeTints.Add(themeTint, ret);
+
+                byThemeTint.Add(themeColor, themeTints);
+            }
+            return ret;
         }
 
         private static Dictionary<Int32, XLColor> _indexedColors;
@@ -128,7 +173,8 @@
             }
         }
 
-        public static XLColor NoColor { get { return new XLColor(); } }
+        private static XLColor noColor = new XLColor();
+        public static XLColor NoColor { get { return noColor; } }
 
         public static XLColor AliceBlue { get { return FromColor(Color.AliceBlue); } }
         public static XLColor AntiqueWhite { get { return FromColor(Color.AntiqueWhite); } }
diff --git a/ClosedXML/ClosedXML/ClosedXML/Excel/Style/XLBorder.cs b/ClosedXML/ClosedXML/ClosedXML/Excel/Style/XLBorder.cs
index 216a4a0..592a5c2 100644
--- a/ClosedXML/ClosedXML/ClosedXML/Excel/Style/XLBorder.cs
+++ b/ClosedXML/ClosedXML/ClosedXML/Excel/Style/XLBorder.cs
@@ -31,15 +31,15 @@
             if (defaultBorder == null) return;
 
             _leftBorder = defaultBorder.LeftBorder;
-            _leftBorderColor = new XLColor(defaultBorder.LeftBorderColor);
+            _leftBorderColor = defaultBorder.LeftBorderColor;
             _rightBorder = defaultBorder.RightBorder;
-            _rightBorderColor = new XLColor(defaultBorder.RightBorderColor);
+            _rightBorderColor = defaultBorder.RightBorderColor;
             _topBorder = defaultBorder.TopBorder;
-            _topBorderColor = new XLColor(defaultBorder.TopBorderColor);
+            _topBorderColor = defaultBorder.TopBorderColor;
             _bottomBorder = defaultBorder.BottomBorder;
-            _bottomBorderColor = new XLColor(defaultBorder.BottomBorderColor);
+            _bottomBorderColor = defaultBorder.BottomBorderColor;
             _diagonalBorder = defaultBorder.DiagonalBorder;
-            _diagonalBorderColor = new XLColor(defaultBorder.DiagonalBorderColor);
+            _diagonalBorderColor = defaultBorder.DiagonalBorderColor;
             _diagonalUp = defaultBorder.DiagonalUp;
             _diagonalDown = defaultBorder.DiagonalDown;
 
diff --git a/ClosedXML/ClosedXML/ClosedXML/Excel/Style/XLFill.cs b/ClosedXML/ClosedXML/ClosedXML/Excel/Style/XLFill.cs
index 4eb318f..0a1c0d7 100644
--- a/ClosedXML/ClosedXML/ClosedXML/Excel/Style/XLFill.cs
+++ b/ClosedXML/ClosedXML/ClosedXML/Excel/Style/XLFill.cs
@@ -52,8 +52,8 @@
                 else
                 {
                     _patternType = value.HasValue ? XLFillPatternValues.Solid : XLFillPatternValues.None;
-                    _patternColor = new XLColor(value);
-                    _patternBackgroundColor = new XLColor(value);
+                    _patternColor = value;
+                    _patternBackgroundColor = value;
 
                     PatternTypeModified = true;
                     PatternColorModified = true;
@@ -152,8 +152,8 @@
             _container = container;
             if (defaultFill == null) return;
             _patternType = defaultFill.PatternType;
-            _patternColor = new XLColor(defaultFill.PatternColor);
-            _patternBackgroundColor = new XLColor(defaultFill.PatternBackgroundColor);
+            _patternColor = defaultFill.PatternColor;
+            _patternBackgroundColor = defaultFill.PatternBackgroundColor;
 
             if (useDefaultModify)
             {
diff --git a/ClosedXML/ClosedXML/ClosedXML/Excel/Style/XLFont.cs b/ClosedXML/ClosedXML/ClosedXML/Excel/Style/XLFont.cs
index be1463a..8338ceb 100644
--- a/ClosedXML/ClosedXML/ClosedXML/Excel/Style/XLFont.cs
+++ b/ClosedXML/ClosedXML/ClosedXML/Excel/Style/XLFont.cs
@@ -34,7 +34,7 @@
             _verticalAlignment = defaultFont.VerticalAlignment;
             _shadow = defaultFont.Shadow;
             _fontSize = defaultFont.FontSize;
-            _fontColor = new XLColor(defaultFont.FontColor);
+            _fontColor = defaultFont.FontColor;
             _fontName = defaultFont.FontName;
             _fontFamilyNumbering = defaultFont.FontFamilyNumbering;
 
diff --git a/ClosedXML/ClosedXML/ClosedXML/Excel/XLWorkbook_Load.cs b/ClosedXML/ClosedXML/ClosedXML/Excel/XLWorkbook_Load.cs
index b313949..64a5c03 100644
--- a/ClosedXML/ClosedXML/ClosedXML/Excel/XLWorkbook_Load.cs
+++ b/ClosedXML/ClosedXML/ClosedXML/Excel/XLWorkbook_Load.cs
@@ -1681,16 +1681,16 @@
                     }
                     else
                         thisColor = _colorList[htmlColor];
-                    retVal = new XLColor(thisColor);
+                    retVal = XLColor.FromColor(thisColor);
                 }
                 else if (color.Indexed != null && color.Indexed < 64)
-                    retVal = new XLColor((Int32) color.Indexed.Value);
+                    retVal = XLColor.FromIndex((Int32) color.Indexed.Value);
                 else if (color.Theme != null)
                 {
                     retVal = color.Tint != null ? XLColor.FromTheme((XLThemeColor) color.Theme.Value, color.Tint.Value) : XLColor.FromTheme((XLThemeColor) color.Theme.Value);
                 }
             }
-            return retVal ?? new XLColor();
+            return retVal ?? XLColor.NoColor;
         }
 
         private void ApplyStyle(IXLStylized xlStylized, Int32 styleIndex, Stylesheet s, Fills fills, Borders borders,
diff --git a/ClosedXML/ClosedXML/ClosedXML/Excel/XLWorksheet.cs b/ClosedXML/ClosedXML/ClosedXML/Excel/XLWorksheet.cs
index c752057..faf7d61 100644
--- a/ClosedXML/ClosedXML/ClosedXML/Excel/XLWorksheet.cs
+++ b/ClosedXML/ClosedXML/ClosedXML/Excel/XLWorksheet.cs
@@ -82,7 +82,7 @@
             ShowWhiteSpace = workbook.ShowWhiteSpace;
             ShowZeros = workbook.ShowZeros;
             RightToLeft = workbook.RightToLeft;
-            TabColor = new XLColor();
+            TabColor = XLColor.NoColor;
             SelectedRanges = new XLRanges();
 
             Author = workbook.Author;
@@ -1028,12 +1028,7 @@
 
         public HashSet<Int32> GetStyleIds()
         {
-            var retVal = new HashSet<Int32> {GetStyleId()};
-            foreach (
-                int id in
-                    Internals.CellsCollection.GetCells().Select(c => c.GetStyleId()).Where(id => !retVal.Contains(id)))
-                retVal.Add(id);
-            return retVal;
+            return Internals.CellsCollection.GetStyleIds(GetStyleId());
         }
 
         public XLRow FirstRowUsed()
diff --git a/ClosedXML/ClosedXML/ClosedXML/Extensions.cs b/ClosedXML/ClosedXML/ClosedXML/Extensions.cs
index 876a2af..cac055e 100644
--- a/ClosedXML/ClosedXML/ClosedXML/Extensions.cs
+++ b/ClosedXML/ClosedXML/ClosedXML/Extensions.cs
@@ -232,7 +232,7 @@
             font.VerticalAlignment = sourceFont.VerticalAlignment;
             font.Shadow = sourceFont.Shadow;
             font.FontSize = sourceFont.FontSize;
-            font.FontColor = new XLColor(sourceFont.FontColor);
+            font.FontColor = sourceFont.FontColor;
             font.FontName = sourceFont.FontName;
             font.FontFamilyNumbering = sourceFont.FontFamilyNumbering;
         }
diff --git a/ClosedXML/ClosedXML/ClosedXML_Sandbox/Program.cs b/ClosedXML/ClosedXML/ClosedXML_Sandbox/Program.cs
index 4a92057..978acb0 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Sandbox/Program.cs
+++ b/ClosedXML/ClosedXML/ClosedXML_Sandbox/Program.cs
@@ -15,26 +15,23 @@
 
         static void Main(string[] args)
         {
-
-            XLWorkbook wb = new XLWorkbook(); //( @"c:\temp\test.xlsx");
-
-            var ws = wb.AddWorksheet("Sheet");
-            ws.Cell("A1").SetValue("FName")
-                .CellBelow().SetValue("John");
-
-            ws.Cell("B1").SetValue("LName")
-                .CellBelow().SetValue("Doe");
-
-            var tbl = ws.RangeUsed().CreateTable();
-            var nameBefore = tbl.Field(tbl.Fields.Last().Index).Name;
-            tbl.Field(tbl.Fields.Last().Index).Name = "LastName";
-            var nameAfter = tbl.Field(tbl.Fields.Last().Index).Name;
-            var start = DateTime.Now;
-            wb.SaveAs(@"c:\temp\saved.xlsx");
-            var end = DateTime.Now;
-            Console.WriteLine((end - start).TotalSeconds);
+            DateTime start, end;
+            var times = new List<Double>();
+            foreach (var i in Enumerable.Range(1,10) )
+            {
+                using (var wb = new XLWorkbook(@"c:\temp\test.xlsx"))
+                {
+                    start = DateTime.Now;
+                    wb.SaveAs(@"c:\temp\saved.xlsx");
+                    end = DateTime.Now;
+                    var total = (end - start).TotalSeconds;
+                    Console.WriteLine(total);
+                    times.Add(total);
+                }
+            }
+            Console.WriteLine("Average: " + times.Average());
             Console.WriteLine("Done");
-            //Console.ReadKey();
+            Console.ReadKey();
         }
     }
 
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/AddingDataSet.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/AddingDataSet.xlsx
index e7b93cd..b8bc67c 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/AddingDataSet.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/AddingDataSet.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/AddingDataTableAsWorksheet.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/AddingDataTableAsWorksheet.xlsx
index 691b172..db2a6f4 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/AddingDataTableAsWorksheet.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/AddingDataTableAsWorksheet.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/AdjustToContents.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/AdjustToContents.xlsx
index 5c77bdc..9334c2a 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/AdjustToContents.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/AdjustToContents.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/AutoFilter.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/AutoFilter.xlsx
index 5217d6a..9d9b543 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/AutoFilter.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/AutoFilter.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/BasicTable.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/BasicTable.xlsx
index 562c2ff..41c4415 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/BasicTable.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/BasicTable.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/BlankCells.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/BlankCells.xlsx
index 8819d8e..99d5d3e 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/BlankCells.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/BlankCells.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/CellValues.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/CellValues.xlsx
index 3eee826..4013452 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/CellValues.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/CellValues.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/Collections.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/Collections.xlsx
index 048210a..ca202e6 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/Collections.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/Collections.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/CopyingRowsAndColumns.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/CopyingRowsAndColumns.xlsx
index 96dd664..78c97ef 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/CopyingRowsAndColumns.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/CopyingRowsAndColumns.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/CopyingWorksheets.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/CopyingWorksheets.xlsx
index 1784e6a..852a558 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/CopyingWorksheets.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/CopyingWorksheets.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/DataTypes.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/DataTypes.xlsx
index 711d9a4..7a31b00 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/DataTypes.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/DataTypes.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/DataValidation.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/DataValidation.xlsx
index 0de8171..d1d0c23 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/DataValidation.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/DataValidation.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/Formulas.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/Formulas.xlsx
index 0190cb8..c3356ab 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/Formulas.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/Formulas.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/FreezePanes.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/FreezePanes.xlsx
index d66619f..3ce7327 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/FreezePanes.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/FreezePanes.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/HideSheets.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/HideSheets.xlsx
index 0801cba..5573b77 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/HideSheets.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/HideSheets.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/HideUnhide.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/HideUnhide.xlsx
index a7bc970..75809c3 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/HideUnhide.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/HideUnhide.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/Hyperlinks.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/Hyperlinks.xlsx
index 417ba65..c916b58 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/Hyperlinks.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/Hyperlinks.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/InsertingData.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/InsertingData.xlsx
index acdc35a..8cadccb 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/InsertingData.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/InsertingData.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/InsertingTables.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/InsertingTables.xlsx
index 459a752..1bd422a 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/InsertingTables.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/InsertingTables.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/LambdaExpressions.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/LambdaExpressions.xlsx
index 46071a6..5539068 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/LambdaExpressions.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/LambdaExpressions.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/MergeCells.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/MergeCells.xlsx
index 2fcd0d7..12f06e6 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/MergeCells.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/MergeCells.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/MergeMoves.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/MergeMoves.xlsx
index 39522aa..d217569 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/MergeMoves.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/MergeMoves.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/Outline.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/Outline.xlsx
index 9d7ce64..9cac323 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/Outline.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/Outline.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/SheetProtection.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/SheetProtection.xlsx
index d7a9ab1..d94ef58 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/SheetProtection.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/SheetProtection.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/ShiftingFormulas.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/ShiftingFormulas.xlsx
index 464cd6b..e46f94c 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/ShiftingFormulas.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/ShiftingFormulas.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/ShowCase.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/ShowCase.xlsx
index 6cf390c..cd3d493 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/ShowCase.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/ShowCase.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/TabColors.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/TabColors.xlsx
index cff262c..9560222 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/TabColors.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/TabColors.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/WorkbookProperties.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/WorkbookProperties.xlsx
index 5b32f01..72059ba 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/WorkbookProperties.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Misc/WorkbookProperties.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/ClearingRanges.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/ClearingRanges.xlsx
index 681f64f..80747e2 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/ClearingRanges.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/ClearingRanges.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/CopyingRanges.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/CopyingRanges.xlsx
index 059b3ab..7d2ab99 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/CopyingRanges.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/CopyingRanges.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/CurrentRowColumn.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/CurrentRowColumn.xlsx
index bca1436..d82a566 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/CurrentRowColumn.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/CurrentRowColumn.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/DefiningRanges.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/DefiningRanges.xlsx
index bd2c09e..5b388d4 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/DefiningRanges.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/DefiningRanges.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/DeletingRanges.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/DeletingRanges.xlsx
index 5dc072b..92aa072 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/DeletingRanges.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/DeletingRanges.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/InsertingDeletingColumns.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/InsertingDeletingColumns.xlsx
index 75196ea..7371c53 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/InsertingDeletingColumns.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/InsertingDeletingColumns.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/InsertingDeletingRows.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/InsertingDeletingRows.xlsx
index 045e1e4..0f1256e 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/InsertingDeletingRows.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/InsertingDeletingRows.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/MultipleRanges.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/MultipleRanges.xlsx
index ad871f9..5ff503c 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/MultipleRanges.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/MultipleRanges.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/NamedRanges.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/NamedRanges.xlsx
index 5d81afb..8018a14 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/NamedRanges.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/NamedRanges.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/SelectingRanges.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/SelectingRanges.xlsx
index 07f8d21..350fcf7 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/SelectingRanges.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/SelectingRanges.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/ShiftingRanges.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/ShiftingRanges.xlsx
index da1fda9..da7df25 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/ShiftingRanges.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/ShiftingRanges.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/SortExample.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/SortExample.xlsx
index b141dd0..41a0ef2 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/SortExample.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/SortExample.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/Sorting.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/Sorting.xlsx
index dee13b1..c49f927 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/Sorting.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/Sorting.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/TransposeRanges.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/TransposeRanges.xlsx
index d7d5d94..3701fbb 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/TransposeRanges.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/TransposeRanges.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/TransposeRangesPlus.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/TransposeRangesPlus.xlsx
index 380d9a2..7035634 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/TransposeRangesPlus.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/TransposeRangesPlus.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/UsingTables.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/UsingTables.xlsx
index d626a0d..eb5feee 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/UsingTables.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/UsingTables.xlsx
Binary files differ
diff --git a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/WalkingRanges.xlsx b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/WalkingRanges.xlsx
index d461b4f..1cb6a9d 100644
--- a/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/WalkingRanges.xlsx
+++ b/ClosedXML/ClosedXML/ClosedXML_Tests/Resource/Examples/Ranges/WalkingRanges.xlsx
Binary files differ