diff --git a/ClosedXML/Excel/Cells/XLCell.cs b/ClosedXML/Excel/Cells/XLCell.cs
index 46dd03c..8ce4c66 100644
--- a/ClosedXML/Excel/Cells/XLCell.cs
+++ b/ClosedXML/Excel/Cells/XLCell.cs
@@ -1131,10 +1131,10 @@
 
                 if (SettingHyperlink) return;
 
-                if (GetStyleForRead().Font.FontColor.Equals(_worksheet.Style.Font.FontColor))
+                if (GetStyleForRead().Font.FontColor.Equals(_worksheet.StyleValue.Font.FontColor))
                     Style.Font.FontColor = XLColor.FromTheme(XLThemeColor.Hyperlink);
 
-                if (GetStyleForRead().Font.Underline == _worksheet.Style.Font.Underline)
+                if (GetStyleForRead().Font.Underline == _worksheet.StyleValue.Font.Underline)
                     Style.Font.Underline = XLFontUnderlineValues.Single;
             }
         }
@@ -2165,7 +2165,7 @@
         {
             CopyValuesFrom(otherCell);
 
-            Style = otherCell.Style;
+            InnerStyle = otherCell.InnerStyle;
 
             if (copyDataValidations)
             {
diff --git a/ClosedXML/Excel/Columns/XLColumn.cs b/ClosedXML/Excel/Columns/XLColumn.cs
index b499b65..c660ae5 100644
--- a/ClosedXML/Excel/Columns/XLColumn.cs
+++ b/ClosedXML/Excel/Columns/XLColumn.cs
@@ -291,9 +291,9 @@
             foreach (XLCell c in Column(startRow, endRow).CellsUsed())
             {
                 if (c.IsMerged()) continue;
-
+                var cellStyle = c.Style;
                 Double thisWidthMax = 0;
-                Int32 textRotation = c.Style.Alignment.TextRotation;
+                Int32 textRotation = c.StyleValue.Alignment.TextRotation;
                 if (c.HasRichText || textRotation != 0 || c.InnerText.Contains(Environment.NewLine))
                 {
                     var kpList = new List<KeyValuePair<IXLFontBase, string>>();
@@ -326,7 +326,7 @@
                             String s = arr[i];
                             if (i < arrCount - 1)
                                 s += Environment.NewLine;
-                            kpList.Add(new KeyValuePair<IXLFontBase, String>(c.Style.Font, s));
+                            kpList.Add(new KeyValuePair<IXLFontBase, String>(cellStyle.Font, s));
                         }
                     }
 
@@ -429,7 +429,7 @@
                     #endregion
                 }
                 else
-                    thisWidthMax = c.Style.Font.GetWidth(c.GetFormattedString(), fontCache);
+                    thisWidthMax = cellStyle.Font.GetWidth(c.GetFormattedString(), fontCache);
 
                 if (autoFilterRows.Contains(c.Address.RowNumber))
                     thisWidthMax += 2.7148; // Allow room for arrow icon in autofilter
@@ -588,7 +588,7 @@
             column.Clear();
             var newColumn = (XLColumn)column;
             newColumn._width = _width;
-            newColumn.Style = GetStyle();
+            newColumn.InnerStyle = InnerStyle;
 
             using (var asRange = AsRange())
                 asRange.CopyTo(column).Dispose();
diff --git a/ClosedXML/Excel/ConditionalFormats/Save/XLCFCellIsConverter.cs b/ClosedXML/Excel/ConditionalFormats/Save/XLCFCellIsConverter.cs
index 1d29af9..effbaca 100644
--- a/ClosedXML/Excel/ConditionalFormats/Save/XLCFCellIsConverter.cs
+++ b/ClosedXML/Excel/ConditionalFormats/Save/XLCFCellIsConverter.cs
@@ -10,9 +10,9 @@
             String val = GetQuoted(cf.Values[1]);
 
             var conditionalFormattingRule = XLCFBaseConverter.Convert(cf, priority);
-
-            if (!cf.Style.Value.Equals(XLWorkbook.DefaultStyle.Value))
-                conditionalFormattingRule.FormatId = (UInt32)context.DifferentialFormats[cf.Style.Value.Key];
+            var cfStyle = cf.Style.Value;
+            if (!cfStyle.Equals(XLWorkbook.DefaultStyle.Value))
+                conditionalFormattingRule.FormatId = (UInt32)context.DifferentialFormats[cfStyle.Key];
 
             conditionalFormattingRule.Operator = cf.Operator.ToOpenXml();
 
diff --git a/ClosedXML/Excel/ConditionalFormats/Save/XLCFContainsConverter.cs b/ClosedXML/Excel/ConditionalFormats/Save/XLCFContainsConverter.cs
index 0a83028..bb25709 100644
--- a/ClosedXML/Excel/ConditionalFormats/Save/XLCFContainsConverter.cs
+++ b/ClosedXML/Excel/ConditionalFormats/Save/XLCFContainsConverter.cs
@@ -9,9 +9,9 @@
         {
             String val = cf.Values[1].Value;
             var conditionalFormattingRule = XLCFBaseConverter.Convert(cf, priority);
-
-            if (!cf.Style.Value.Equals(XLWorkbook.DefaultStyle.Value))
-                conditionalFormattingRule.FormatId = (UInt32)context.DifferentialFormats[cf.Style.Value.Key];
+            var cfStyle = cf.Style.Value;
+            if (!cfStyle.Equals(XLWorkbook.DefaultStyle.Value))
+                conditionalFormattingRule.FormatId = (UInt32)context.DifferentialFormats[cfStyle.Key];
 
             conditionalFormattingRule.Operator = ConditionalFormattingOperatorValues.ContainsText;
             conditionalFormattingRule.Text = val;
diff --git a/ClosedXML/Excel/ConditionalFormats/Save/XLCFDatesOccuringConverter.cs b/ClosedXML/Excel/ConditionalFormats/Save/XLCFDatesOccuringConverter.cs
index 2238881..82bcf6d 100644
--- a/ClosedXML/Excel/ConditionalFormats/Save/XLCFDatesOccuringConverter.cs
+++ b/ClosedXML/Excel/ConditionalFormats/Save/XLCFDatesOccuringConverter.cs
@@ -23,9 +23,9 @@
         public ConditionalFormattingRule Convert(IXLConditionalFormat cf, int priority, XLWorkbook.SaveContext context)
         {
             var conditionalFormattingRule = XLCFBaseConverter.Convert(cf, priority);
-
-            if (!cf.Style.Value.Equals(XLWorkbook.DefaultStyle))
-                conditionalFormattingRule.FormatId = (UInt32)context.DifferentialFormats[cf.Style.Value.Key];
+            var cfStyle = cf.Style.Value;
+            if (!cfStyle.Equals(XLWorkbook.DefaultStyle))
+                conditionalFormattingRule.FormatId = (UInt32)context.DifferentialFormats[cfStyle.Key];
 
             conditionalFormattingRule.TimePeriod = cf.TimePeriod.ToOpenXml();
 
diff --git a/ClosedXML/Excel/ConditionalFormats/Save/XLCFEndsWithConverter.cs b/ClosedXML/Excel/ConditionalFormats/Save/XLCFEndsWithConverter.cs
index 3b967d0..fa0f6d5 100644
--- a/ClosedXML/Excel/ConditionalFormats/Save/XLCFEndsWithConverter.cs
+++ b/ClosedXML/Excel/ConditionalFormats/Save/XLCFEndsWithConverter.cs
@@ -9,9 +9,9 @@
         {
             String val = cf.Values[1].Value;
             var conditionalFormattingRule = XLCFBaseConverter.Convert(cf, priority);
-
-            if (!cf.Style.Value.Equals(XLWorkbook.DefaultStyle))
-                conditionalFormattingRule.FormatId = (UInt32)context.DifferentialFormats[cf.Style.Value.Key];
+            var cfStyle = cf.Style.Value;
+            if (!cfStyle.Equals(XLWorkbook.DefaultStyle))
+                conditionalFormattingRule.FormatId = (UInt32)context.DifferentialFormats[cfStyle.Key];
 
             conditionalFormattingRule.Operator = ConditionalFormattingOperatorValues.EndsWith;
             conditionalFormattingRule.Text = val;
diff --git a/ClosedXML/Excel/ConditionalFormats/Save/XLCFIsBlankConverter.cs b/ClosedXML/Excel/ConditionalFormats/Save/XLCFIsBlankConverter.cs
index d4f09f3..6d282a9 100644
--- a/ClosedXML/Excel/ConditionalFormats/Save/XLCFIsBlankConverter.cs
+++ b/ClosedXML/Excel/ConditionalFormats/Save/XLCFIsBlankConverter.cs
@@ -8,9 +8,9 @@
         public ConditionalFormattingRule Convert(IXLConditionalFormat cf, int priority, XLWorkbook.SaveContext context)
         {
             var conditionalFormattingRule = XLCFBaseConverter.Convert(cf, priority);
-
-            if (!cf.Style.Value.Equals(XLWorkbook.DefaultStyle.Value))
-                conditionalFormattingRule.FormatId = (UInt32)context.DifferentialFormats[cf.Style.Value.Key];
+            var cfStyle = cf.Style.Value;
+            if (!cfStyle.Equals(XLWorkbook.DefaultStyle.Value))
+                conditionalFormattingRule.FormatId = (UInt32)context.DifferentialFormats[cfStyle.Key];
 
             var formula = new Formula { Text = "LEN(TRIM(" + cf.Range.RangeAddress.FirstAddress.ToStringRelative(false) + "))=0" };
 
diff --git a/ClosedXML/Excel/ConditionalFormats/Save/XLCFIsErrorConverter.cs b/ClosedXML/Excel/ConditionalFormats/Save/XLCFIsErrorConverter.cs
index 265fb41..bf2170f 100644
--- a/ClosedXML/Excel/ConditionalFormats/Save/XLCFIsErrorConverter.cs
+++ b/ClosedXML/Excel/ConditionalFormats/Save/XLCFIsErrorConverter.cs
@@ -8,9 +8,9 @@
         public ConditionalFormattingRule Convert(IXLConditionalFormat cf, int priority, XLWorkbook.SaveContext context)
         {
             var conditionalFormattingRule = XLCFBaseConverter.Convert(cf, priority);
-
-            if (!cf.Style.Value.Equals(XLWorkbook.DefaultStyle.Value))
-                conditionalFormattingRule.FormatId = (UInt32)context.DifferentialFormats[cf.Style.Value.Key];
+            var cfStyle = cf.Style.Value;
+            if (!cfStyle.Equals(XLWorkbook.DefaultStyle.Value))
+                conditionalFormattingRule.FormatId = (UInt32)context.DifferentialFormats[cfStyle.Key];
 
             var formula = new Formula { Text = "ISERROR(" + cf.Range.RangeAddress.FirstAddress.ToStringRelative(false) + ")" };
 
diff --git a/ClosedXML/Excel/ConditionalFormats/Save/XLCFNotBlankConverter.cs b/ClosedXML/Excel/ConditionalFormats/Save/XLCFNotBlankConverter.cs
index 59ce073..532777a 100644
--- a/ClosedXML/Excel/ConditionalFormats/Save/XLCFNotBlankConverter.cs
+++ b/ClosedXML/Excel/ConditionalFormats/Save/XLCFNotBlankConverter.cs
@@ -8,9 +8,9 @@
         public ConditionalFormattingRule Convert(IXLConditionalFormat cf, int priority, XLWorkbook.SaveContext context)
         {
             var conditionalFormattingRule = XLCFBaseConverter.Convert(cf, priority);
-
-            if (!cf.Style.Value.Equals(XLWorkbook.DefaultStyle.Value))
-                conditionalFormattingRule.FormatId = (UInt32)context.DifferentialFormats[cf.Style.Value.Key];
+            var cfStyle = cf.Style.Value;
+            if (!cfStyle.Equals(XLWorkbook.DefaultStyle.Value))
+                conditionalFormattingRule.FormatId = (UInt32)context.DifferentialFormats[cfStyle.Key];
 
             var formula = new Formula { Text = "LEN(TRIM(" + cf.Range.RangeAddress.FirstAddress.ToStringRelative(false) + "))>0" };
 
diff --git a/ClosedXML/Excel/ConditionalFormats/Save/XLCFNotContainsConverter.cs b/ClosedXML/Excel/ConditionalFormats/Save/XLCFNotContainsConverter.cs
index 5072e34..0c3bf31 100644
--- a/ClosedXML/Excel/ConditionalFormats/Save/XLCFNotContainsConverter.cs
+++ b/ClosedXML/Excel/ConditionalFormats/Save/XLCFNotContainsConverter.cs
@@ -9,9 +9,9 @@
         {
             String val = cf.Values[1].Value;
             var conditionalFormattingRule = XLCFBaseConverter.Convert(cf, priority);
-
-            if (!cf.Style.Value.Equals(XLWorkbook.DefaultStyle))
-                conditionalFormattingRule.FormatId = (UInt32)context.DifferentialFormats[cf.Style.Value.Key];
+            var cfStyle = cf.Style.Value;
+            if (!cfStyle.Equals(XLWorkbook.DefaultStyle))
+                conditionalFormattingRule.FormatId = (UInt32)context.DifferentialFormats[cfStyle.Key];
 
             conditionalFormattingRule.Operator = ConditionalFormattingOperatorValues.NotContains;
             conditionalFormattingRule.Text = val;
diff --git a/ClosedXML/Excel/ConditionalFormats/Save/XLCFNotErrorConverter.cs b/ClosedXML/Excel/ConditionalFormats/Save/XLCFNotErrorConverter.cs
index 703ec43..7798815 100644
--- a/ClosedXML/Excel/ConditionalFormats/Save/XLCFNotErrorConverter.cs
+++ b/ClosedXML/Excel/ConditionalFormats/Save/XLCFNotErrorConverter.cs
@@ -8,9 +8,9 @@
         public ConditionalFormattingRule Convert(IXLConditionalFormat cf, int priority, XLWorkbook.SaveContext context)
         {
             var conditionalFormattingRule = XLCFBaseConverter.Convert(cf, priority);
-
-            if (!cf.Style.Value.Equals(XLWorkbook.DefaultStyle.Value))
-                conditionalFormattingRule.FormatId = (UInt32)context.DifferentialFormats[cf.Style.Value.Key];
+            var cfStyle = cf.Style.Value;
+            if (!cfStyle.Equals(XLWorkbook.DefaultStyle.Value))
+                conditionalFormattingRule.FormatId = (UInt32)context.DifferentialFormats[cfStyle.Key];
 
             var formula = new Formula { Text = "NOT(ISERROR(" + cf.Range.RangeAddress.FirstAddress.ToStringRelative(false) + "))" };
 
diff --git a/ClosedXML/Excel/ConditionalFormats/Save/XLCFStartsWithConverter.cs b/ClosedXML/Excel/ConditionalFormats/Save/XLCFStartsWithConverter.cs
index 0c5c79c..1ede504 100644
--- a/ClosedXML/Excel/ConditionalFormats/Save/XLCFStartsWithConverter.cs
+++ b/ClosedXML/Excel/ConditionalFormats/Save/XLCFStartsWithConverter.cs
@@ -9,9 +9,9 @@
         {
             String val = cf.Values[1].Value;
             var conditionalFormattingRule = XLCFBaseConverter.Convert(cf, priority);
-
-            if (!cf.Style.Value.Equals(XLWorkbook.DefaultStyle.Value))
-                conditionalFormattingRule.FormatId = (UInt32)context.DifferentialFormats[cf.Style.Value.Key];
+            var cfStyle = cf.Style.Value;
+            if (!cfStyle.Equals(XLWorkbook.DefaultStyle.Value))
+                conditionalFormattingRule.FormatId = (UInt32)context.DifferentialFormats[cfStyle.Key];
 
             conditionalFormattingRule.Operator = ConditionalFormattingOperatorValues.BeginsWith;
             conditionalFormattingRule.Text = val;
diff --git a/ClosedXML/Excel/ConditionalFormats/Save/XLCFTopConverter.cs b/ClosedXML/Excel/ConditionalFormats/Save/XLCFTopConverter.cs
index b8d7338..194f183 100644
--- a/ClosedXML/Excel/ConditionalFormats/Save/XLCFTopConverter.cs
+++ b/ClosedXML/Excel/ConditionalFormats/Save/XLCFTopConverter.cs
@@ -9,9 +9,9 @@
         {
             UInt32 val = UInt32.Parse(cf.Values[1].Value);
             var conditionalFormattingRule = XLCFBaseConverter.Convert(cf, priority);
-
-            if (!cf.Style.Value.Equals(XLWorkbook.DefaultStyle.Value))
-                conditionalFormattingRule.FormatId = (UInt32)context.DifferentialFormats[cf.Style.Value.Key];
+            var cfStyle = cf.Style.Value;
+            if (!cfStyle.Equals(XLWorkbook.DefaultStyle.Value))
+                conditionalFormattingRule.FormatId = (UInt32)context.DifferentialFormats[cfStyle.Key];
 
             conditionalFormattingRule.Percent = cf.Percent;
             conditionalFormattingRule.Rank = val;
diff --git a/ClosedXML/Excel/ConditionalFormats/Save/XLCFUniqueConverter.cs b/ClosedXML/Excel/ConditionalFormats/Save/XLCFUniqueConverter.cs
index 600e9bc..673fae8 100644
--- a/ClosedXML/Excel/ConditionalFormats/Save/XLCFUniqueConverter.cs
+++ b/ClosedXML/Excel/ConditionalFormats/Save/XLCFUniqueConverter.cs
@@ -8,9 +8,9 @@
         public ConditionalFormattingRule Convert(IXLConditionalFormat cf, int priority, XLWorkbook.SaveContext context)
         {
             var conditionalFormattingRule = XLCFBaseConverter.Convert(cf, priority);
-
-            if (!cf.Style.Value.Equals(XLWorkbook.DefaultStyle.Value))
-                conditionalFormattingRule.FormatId = (UInt32)context.DifferentialFormats[cf.Style.Value.Key];
+            var cfStyle = cf.Style.Value;
+            if (!cfStyle.Equals(XLWorkbook.DefaultStyle.Value))
+                conditionalFormattingRule.FormatId = (UInt32)context.DifferentialFormats[cfStyle.Key];
 
             return conditionalFormattingRule;
         }
diff --git a/ClosedXML/Excel/ConditionalFormats/XLConditionalFormat.cs b/ClosedXML/Excel/ConditionalFormats/XLConditionalFormat.cs
index 5e8b530..48d247d 100644
--- a/ClosedXML/Excel/ConditionalFormats/XLConditionalFormat.cs
+++ b/ClosedXML/Excel/ConditionalFormats/XLConditionalFormat.cs
@@ -188,7 +188,7 @@
 
         public void CopyFrom(IXLConditionalFormat other)
         {
-            Style = other.Style;
+            InnerStyle = other.Style;
             ConditionalFormatType = other.ConditionalFormatType;
             TimePeriod = other.TimePeriod;
             IconSetStyle = other.IconSetStyle;
diff --git a/ClosedXML/Excel/Hyperlinks/XLHyperlink_public.cs b/ClosedXML/Excel/Hyperlinks/XLHyperlink_public.cs
index f60e516..85b7e89 100644
--- a/ClosedXML/Excel/Hyperlinks/XLHyperlink_public.cs
+++ b/ClosedXML/Excel/Hyperlinks/XLHyperlink_public.cs
@@ -98,9 +98,9 @@
             if (Cell == null) return;
             Worksheet.Hyperlinks.Delete(Cell.Address);
             if (Cell.Style.Font.FontColor.Equals(XLColor.FromTheme(XLThemeColor.Hyperlink)))
-                Cell.Style.Font.FontColor = Worksheet.Style.Font.FontColor;
+                Cell.Style.Font.FontColor = Worksheet.StyleValue.Font.FontColor;
 
-            Cell.Style.Font.Underline = Worksheet.Style.Font.Underline;
+            Cell.Style.Font.Underline = Worksheet.StyleValue.Font.Underline;
         }
     }
 }
diff --git a/ClosedXML/Excel/Rows/XLRow.cs b/ClosedXML/Excel/Rows/XLRow.cs
index b8fe358..37d4a2e 100644
--- a/ClosedXML/Excel/Rows/XLRow.cs
+++ b/ClosedXML/Excel/Rows/XLRow.cs
@@ -304,7 +304,7 @@
             foreach (XLCell c in from XLCell c in Row(startColumn, endColumn).CellsUsed() where !c.IsMerged() select c)
             {
                 Double thisHeight;
-                Int32 textRotation = c.Style.Alignment.TextRotation;
+                Int32 textRotation = c.StyleValue.Alignment.TextRotation;
                 if (c.HasRichText || textRotation != 0 || c.InnerText.Contains(Environment.NewLine))
                 {
                     var kpList = new List<KeyValuePair<IXLFontBase, string>>();
@@ -518,7 +518,7 @@
             row.Clear();
             var newRow = (XLRow)row;
             newRow._height = _height;
-            newRow.Style = GetStyle();
+            newRow.InnerStyle = GetStyle();
 
             using (var asRange = AsRange())
                 asRange.CopyTo(row).Dispose();
@@ -623,11 +623,11 @@
                 Worksheet.Internals.RowsCollection[RowNumber()].SetStyleNoColumns(value);
             else
             {
-                Style = value;
+                InnerStyle = value;
 
                 int row = RowNumber();
                 foreach (XLCell c in Worksheet.Internals.CellsCollection.GetCellsInRow(row))
-                    c.Style = value;
+                    c.InnerStyle = value;
             }
         }
 
diff --git a/ClosedXML/Excel/Tables/XLTableField.cs b/ClosedXML/Excel/Tables/XLTableField.cs
index c007643..55efcb0 100644
--- a/ClosedXML/Excel/Tables/XLTableField.cs
+++ b/ClosedXML/Excel/Tables/XLTableField.cs
@@ -160,16 +160,14 @@
             var styles = this.Column
                 .Cells()
                 .Skip(this.table.ShowHeaderRow ? 1 : 0)
-                .Select(c => c.Style.Value);
+                .OfType<XLCell>()
+                .Select(c => c.StyleValue);
 
             if (this.table.ShowTotalsRow)
                 styles = styles.Take(styles.Count() - 1);
 
             var distinctStyles = styles
-                .GroupBy(f => f)
-                .Select(g => new { Key = g.Key, Count = g.Count() });
-
-            var ie = distinctStyles.First().Key.Equals(distinctStyles.Last().Key);
+                .Distinct();
 
             return distinctStyles.Count() == 1;
         }