diff --git a/ClosedXML/Excel/Style/IXLStyle.cs b/ClosedXML/Excel/Style/IXLStyle.cs
index 259f568..7634e61 100644
--- a/ClosedXML/Excel/Style/IXLStyle.cs
+++ b/ClosedXML/Excel/Style/IXLStyle.cs
@@ -1,3 +1,4 @@
+// Keep this file CodeMaid organised and cleaned
 using System;
 
 namespace ClosedXML.Excel
@@ -8,14 +9,18 @@
 
         IXLBorder Border { get; set; }
 
+        IXLNumberFormat DateFormat { get; }
+
         IXLFill Fill { get; set; }
 
         IXLFont Font { get; set; }
 
+        Boolean IncludeQuotePrefix { get; set; }
+
         IXLNumberFormat NumberFormat { get; set; }
 
-        IXLNumberFormat DateFormat { get; }
-
         IXLProtection Protection { get; set; }
+
+        IXLStyle SetIncludeQuotePrefix(Boolean includeQuotePrefix = true);
     }
 }
diff --git a/ClosedXML/Excel/Style/XLStyle.cs b/ClosedXML/Excel/Style/XLStyle.cs
index 95e63f2..5c5f1ff 100644
--- a/ClosedXML/Excel/Style/XLStyle.cs
+++ b/ClosedXML/Excel/Style/XLStyle.cs
@@ -126,6 +126,21 @@
             }
         }
 
+        public Boolean IncludeQuotePrefix
+        {
+            get { return Value.IncludeQuotePrefix; }
+            set
+            {
+                Modify(k => { k.IncludeQuotePrefix = value; return k; });
+            }
+        }
+
+        public IXLStyle SetIncludeQuotePrefix(Boolean includeQuotePrefix = true)
+        {
+            IncludeQuotePrefix = includeQuotePrefix;
+            return this;
+        }
+
         public IXLNumberFormat NumberFormat
         {
             get { return new XLNumberFormat(this, Value.NumberFormat); }
diff --git a/ClosedXML/Excel/Style/XLStyleKey.cs b/ClosedXML/Excel/Style/XLStyleKey.cs
index 46eea98..e5fc690 100644
--- a/ClosedXML/Excel/Style/XLStyleKey.cs
+++ b/ClosedXML/Excel/Style/XLStyleKey.cs
@@ -12,6 +12,8 @@
 
         public XLFontKey Font { get; set; }
 
+        public Boolean IncludeQuotePrefix { get; set; }
+
         public XLNumberFormatKey NumberFormat { get; set; }
 
         public XLProtectionKey Protection { get; set; }
@@ -23,6 +25,7 @@
             hashCode = hashCode * -1521134295 + Border.GetHashCode();
             hashCode = hashCode * -1521134295 + Fill.GetHashCode();
             hashCode = hashCode * -1521134295 + Font.GetHashCode();
+            hashCode = hashCode * -1521134295 + IncludeQuotePrefix.GetHashCode();
             hashCode = hashCode * -1521134295 + NumberFormat.GetHashCode();
             hashCode = hashCode * -1521134295 + Protection.GetHashCode();
             return hashCode;
@@ -34,6 +37,7 @@
                    Border == other.Border &&
                    Fill == other.Fill &&
                    Font == other.Font &&
+                   IncludeQuotePrefix == other.IncludeQuotePrefix &&
                    NumberFormat == other.NumberFormat &&
                    Protection == other.Protection;
         }
@@ -42,11 +46,12 @@
         {
             return
                 this == XLStyle.Default.Key ? "Default" : 
-                string.Format("Alignment: {0} Border: {1} Fill: {2} Font: {3} NumberFormat: {4} Protection: {5}",
+                string.Format("Alignment: {0} Border: {1} Fill: {2} Font: {3} IncludeQuotePrefix: {4} NumberFormat: {5} Protection: {6}",
                     Alignment == XLStyle.Default.Key.Alignment ? "Default" : Alignment.ToString(),
                     Border == XLStyle.Default.Key.Border ? "Default" : Border.ToString(),
                     Fill == XLStyle.Default.Key.Fill ? "Default" : Fill.ToString(),
                     Font == XLStyle.Default.Key.Font ? "Default" : Font.ToString(),
+                    IncludeQuotePrefix == XLStyle.Default.Key.IncludeQuotePrefix ? "Default" : IncludeQuotePrefix.ToString(),
                     NumberFormat == XLStyle.Default.Key.NumberFormat ? "Default" : NumberFormat.ToString(),
                     Protection == XLStyle.Default.Key.Protection ? "Default" : Protection.ToString());
         }
diff --git a/ClosedXML/Excel/Style/XLStyleValue.cs b/ClosedXML/Excel/Style/XLStyleValue.cs
index a2745bf..f046f91 100644
--- a/ClosedXML/Excel/Style/XLStyleValue.cs
+++ b/ClosedXML/Excel/Style/XLStyleValue.cs
@@ -1,4 +1,5 @@
 using ClosedXML.Excel.Caching;
+using System;
 
 namespace ClosedXML.Excel
 {
@@ -17,6 +18,7 @@
             Border = XLBorderValue.Default.Key,
             Fill = XLFillValue.Default.Key,
             Font = XLFontValue.Default.Key,
+            IncludeQuotePrefix = false,
             NumberFormat = XLNumberFormatValue.Default.Key,
             Protection = XLProtectionValue.Default.Key
         });
@@ -31,6 +33,8 @@
 
         public XLFontValue Font { get; private set; }
 
+        public Boolean IncludeQuotePrefix { get; private set; }
+
         public XLNumberFormatValue NumberFormat { get; private set; }
 
         public XLProtectionValue Protection { get; private set; }
@@ -42,6 +46,7 @@
             Border = XLBorderValue.FromKey(Key.Border);
             Fill = XLFillValue.FromKey(Key.Fill);
             Font = XLFontValue.FromKey(Key.Font);
+            IncludeQuotePrefix = key.IncludeQuotePrefix;
             NumberFormat = XLNumberFormatValue.FromKey(Key.NumberFormat);
             Protection = XLProtectionValue.FromKey(Key.Protection);
         }
diff --git a/ClosedXML/Excel/XLWorkbook_Load.cs b/ClosedXML/Excel/XLWorkbook_Load.cs
index 2357cb7..1ea2246 100644
--- a/ClosedXML/Excel/XLWorkbook_Load.cs
+++ b/ClosedXML/Excel/XLWorkbook_Load.cs
@@ -2690,6 +2690,8 @@
 
             var xlStyle = XLStyle.Default.Key;
 
+            xlStyle.IncludeQuotePrefix = OpenXmlHelper.GetBooleanValueAsBool(cellFormat.QuotePrefix, false);
+
             if (cellFormat.ApplyProtection != null)
             {
                 var protection = cellFormat.Protection;
diff --git a/ClosedXML/Excel/XLWorkbook_Save.NestedTypes.cs b/ClosedXML/Excel/XLWorkbook_Save.NestedTypes.cs
index c6542ee..dbd1e87 100644
--- a/ClosedXML/Excel/XLWorkbook_Save.NestedTypes.cs
+++ b/ClosedXML/Excel/XLWorkbook_Save.NestedTypes.cs
@@ -139,6 +139,7 @@
             public UInt32 BorderId;
             public UInt32 FillId;
             public UInt32 FontId;
+            public Boolean IncludeQuotePrefix;
             public Int32 NumberFormatId;
             public XLStyleValue Style;
             public UInt32 StyleId;
diff --git a/ClosedXML/Excel/XLWorkbook_Save.cs b/ClosedXML/Excel/XLWorkbook_Save.cs
index 3c80d15..cbadd34 100644
--- a/ClosedXML/Excel/XLWorkbook_Save.cs
+++ b/ClosedXML/Excel/XLWorkbook_Save.cs
@@ -3326,6 +3326,7 @@
                     FontId = 0,
                     FillId = 0,
                     BorderId = 0,
+                    IncludeQuotePrefix = false,
                     NumberFormatId = 0
                     //AlignmentId = 0
                 });
@@ -3432,7 +3433,8 @@
                             FontId = context.SharedFonts[xlStyle.Font].FontId,
                             FillId = allSharedFills[xlStyle.Fill].FillId,
                             BorderId = allSharedBorders[xlStyle.Border].BorderId,
-                            NumberFormatId = numberFormatId
+                            NumberFormatId = numberFormatId,
+                            IncludeQuotePrefix = xlStyle.IncludeQuotePrefix
                         });
             }
 
@@ -3700,6 +3702,7 @@
                 FontId = styleInfo.FontId,
                 FillId = styleInfo.FillId,
                 BorderId = styleInfo.BorderId,
+                QuotePrefix = OpenXmlHelper.GetBooleanValue(styleInfo.IncludeQuotePrefix, false),
                 ApplyNumberFormat = true,
                 ApplyAlignment = true,
                 ApplyFill = ApplyFill(styleInfo),
@@ -3725,6 +3728,7 @@
                 && f.FillId != null && styleInfo.FillId == f.FillId
                 && f.FontId != null && styleInfo.FontId == f.FontId
                 && f.NumberFormatId != null && styleInfo.NumberFormatId == f.NumberFormatId
+                && QuotePrefixesAreEqual(f.QuotePrefix, styleInfo.IncludeQuotePrefix)
                 && (f.ApplyFill == null && styleInfo.Style.Fill == XLFillValue.Default ||
                     f.ApplyFill != null && f.ApplyFill == ApplyFill(styleInfo))
                 && (f.ApplyBorder == null && styleInfo.Style.Border == XLBorderValue.Default ||
@@ -3747,6 +3751,11 @@
             return p.Equals(xlProtection.Key);
         }
 
+        private static bool QuotePrefixesAreEqual(BooleanValue quotePrefix, Boolean includeQuotePrefix)
+        {
+            return OpenXmlHelper.GetBooleanValueAsBool(quotePrefix, false) == includeQuotePrefix;
+        }
+
         private static bool AlignmentsAreEqual(Alignment alignment, XLAlignmentValue xlAlignment)
         {
             if (alignment != null)
diff --git a/ClosedXML_Examples/StyleExamples.cs b/ClosedXML_Examples/StyleExamples.cs
index 7617e76..869c9ab 100644
--- a/ClosedXML_Examples/StyleExamples.cs
+++ b/ClosedXML_Examples/StyleExamples.cs
@@ -61,6 +61,7 @@
             new StyleBorder().Create(Path.Combine(path, "styleBorder.xlsx"));
             new StyleAlignment().Create(Path.Combine(path, "styleAlignment.xlsx"));
             new StyleNumberFormat().Create(Path.Combine(path, "styleNumberFormat.xlsx"));
+            new StyleIncludeQuotePrefix().Create(Path.Combine(path, "styleIncludeQuotePrefix.xlsx"));
         }
 
         // Private
diff --git a/ClosedXML_Examples/Styles/StyleIncludeQuotePrefix.cs b/ClosedXML_Examples/Styles/StyleIncludeQuotePrefix.cs
new file mode 100644
index 0000000..47129c6
--- /dev/null
+++ b/ClosedXML_Examples/Styles/StyleIncludeQuotePrefix.cs
@@ -0,0 +1,39 @@
+using ClosedXML.Excel;
+using System;
+using System.Linq;
+
+namespace ClosedXML_Examples.Styles
+{
+    public class StyleIncludeQuotePrefix : IXLExample
+    {
+        public void Create(String filePath)
+        {
+            var workbook = new XLWorkbook();
+            var ws = workbook.Worksheets.Add("Style IncludeQuotePrefix");
+
+            var data = Enumerable.Range(1, 20)
+                .Select(i =>
+                new
+                {
+                    IntegerIndex = i,
+                    StringIndex = i.ToString(),
+                    PaddedString1000 = (i * 1000).ToString().PadLeft(8, '0'),
+                    PrependedString1000 = "Str" + (i * 1000).ToString().PadLeft(8, '0')
+                });
+
+            ws.FirstCell().InsertData(data);
+
+            // Columns B to D will be of type text
+            // but column B will not have the leading quotation mark
+            ws.Column("B").Style.IncludeQuotePrefix = false;
+
+            // Columns C and D will have the leading quotation mark
+            ws.Column("C").Style.IncludeQuotePrefix = true;
+            ws.Column("D").Style.SetIncludeQuotePrefix();
+
+            ws.Columns().AdjustToContents();
+
+            workbook.SaveAs(filePath);
+        }
+    }
+}
diff --git a/ClosedXML_Tests/Examples/StylesTests.cs b/ClosedXML_Tests/Examples/StylesTests.cs
index c400a81..ac6b17e 100644
--- a/ClosedXML_Tests/Examples/StylesTests.cs
+++ b/ClosedXML_Tests/Examples/StylesTests.cs
@@ -49,6 +49,12 @@
         }
 
         [Test]
+        public void StyleIncludeQuotePrefix()
+        {
+            TestHelper.RunTestExample<StyleIncludeQuotePrefix>(@"Styles\StyleIncludeQuotePrefix.xlsx");
+        }
+
+        [Test]
         public void StyleRowsColumns()
         {
             TestHelper.RunTestExample<StyleRowsColumns>(@"Styles\StyleRowsColumns.xlsx");
diff --git a/ClosedXML_Tests/Resource/Examples/Styles/StyleIncludeQuotePrefix.xlsx b/ClosedXML_Tests/Resource/Examples/Styles/StyleIncludeQuotePrefix.xlsx
new file mode 100644
index 0000000..5e08f98
--- /dev/null
+++ b/ClosedXML_Tests/Resource/Examples/Styles/StyleIncludeQuotePrefix.xlsx
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