diff --git a/ClosedXML/ClosedXML.csproj b/ClosedXML/ClosedXML.csproj
index 4d4338c..81d47c1 100644
--- a/ClosedXML/ClosedXML.csproj
+++ b/ClosedXML/ClosedXML.csproj
@@ -91,6 +91,7 @@
+
diff --git a/ClosedXML/Excel/Style/XLPredefinedFormat.cs b/ClosedXML/Excel/Style/XLPredefinedFormat.cs
new file mode 100644
index 0000000..32c6e1a
--- /dev/null
+++ b/ClosedXML/Excel/Style/XLPredefinedFormat.cs
@@ -0,0 +1,165 @@
+namespace ClosedXML.Excel
+{
+ ///
+ /// Reference point of date/number formats available.
+ /// See more at: https://msdn.microsoft.com/en-us/library/documentformat.openxml.spreadsheet.numberingformat.aspx
+ ///
+ public static class XLPredefinedFormat
+ {
+ public enum Number
+ {
+ ///
+ /// General
+ ///
+ General = 0,
+
+ ///
+ /// 0
+ ///
+ Integer = 1,
+
+ ///
+ /// 0.00
+ ///
+ Precision2 = 2,
+
+ ///
+ /// #,##0
+ ///
+ IntegerWithSeparator = 3,
+
+ ///
+ /// #,##0.00
+ ///
+ Precision2WithSeparator = 4,
+
+ ///
+ /// 0%
+ ///
+ PercentInteger = 9,
+
+ ///
+ /// 0.00%
+ ///
+ PercentPrecision2 = 10,
+
+ ///
+ /// 0.00E+00
+ ///
+ ScientificPrecision2 = 11,
+
+ ///
+ /// # ?/?
+ ///
+ FractionPrecision1 = 12,
+
+ ///
+ /// # ??/??
+ ///
+ FractionPrecision2 = 13,
+
+ ///
+ /// #,##0 ,(#,##0)
+ ///
+ IntegerWithSeparatorAndParens = 37,
+
+ ///
+ /// #,##0 ,[Red](#,##0)
+ ///
+ IntegerWithSeparatorAndParensRed = 38,
+
+ ///
+ /// #,##0.00,(#,##0.00)
+ ///
+ Precision2WithSeparatorAndParens = 39,
+
+ ///
+ /// #,##0.00,[Red](#,##0.00)
+ ///
+ Precision2WithSeparatorAndParensRed = 40,
+
+ ///
+ /// ##0.0E+0
+ ///
+ ScientificUpToHundredsAndPrecision1 = 48,
+
+ ///
+ /// @
+ ///
+ Text = 49
+ }
+
+ public enum DateTime
+ {
+ ///
+ /// General
+ ///
+ General = 0,
+
+ ///
+ /// d/m/yyyy
+ ///
+ DayMonthYear4WithSlashes = 14,
+
+ ///
+ /// d-mmm-yy
+ ///
+ DayMonthAbbrYear2WithDashes = 15,
+
+ ///
+ /// d-mmm
+ ///
+ DayMonthAbbrWithDash = 16,
+
+ ///
+ /// mmm-yy
+ ///
+ MonthAbbrYear2WithDash = 17,
+
+ ///
+ /// h:mm tt
+ ///
+ Hour12MinutesAmPm = 18,
+
+ ///
+ /// h:mm:ss tt
+ ///
+ Hour12MinutesSecondsAmPm = 19,
+
+ ///
+ /// H:mm
+ ///
+ Hour24Minutes = 20,
+
+ ///
+ /// H:mm:ss
+ ///
+ Hour24MinutesSeconds = 21,
+
+ ///
+ /// m/d/yyyy H:mm
+ ///
+ MonthDayYear4WithDashesHour24Minutes = 22,
+
+ ///
+ /// mm:ss
+ ///
+ MinutesSeconds = 45,
+
+ ///
+ /// [h]:mm:ss
+ ///
+ Hour12MinutesSeconds = 46,
+
+ ///
+ /// mmss.0
+ ///
+ MinutesSecondsMillis1 = 47,
+
+ ///
+ /// @
+ ///
+ Text = 49
+ }
+ }
+}