diff --git a/StatementParser/StatementParserCLI/Output.cs b/StatementParser/StatementParserCLI/Output.cs
index 0c2c09b..bdc2eb1 100644
--- a/StatementParser/StatementParserCLI/Output.cs
+++ b/StatementParser/StatementParserCLI/Output.cs
@@ -70,7 +70,14 @@ private void SetRowValues(IRow row, ICollection<string> rowValues)
 			{
 				var cell = row.CreateCell(columnIndex);
 
-				cell.SetCellValue(rowValue);
+				if(DateTime.TryParse(rowValue, out var dateValue))
+				{
+					cell.SetCellValue(dateValue.ToString("s"));
+				}
+				else
+				{
+					cell.SetCellValue(rowValue);
+				}
 
 				columnIndex++;
 			}
diff --git a/StatementParser/TaxReporterCLI/Output.cs b/StatementParser/TaxReporterCLI/Output.cs
index 4b78c83..1bbac4a 100644
--- a/StatementParser/TaxReporterCLI/Output.cs
+++ b/StatementParser/TaxReporterCLI/Output.cs
@@ -82,6 +82,11 @@ private IRow CreateRow(ISheet sheet, int rowIndex, IList<string> rowValues)
 				{
 					cell.SetCellValue((double)value);
 				}
+				//For dates using the sortable format so excel can treat it better or at least sort as a string
+				else if(DateTime.TryParse(rowValue, out var dateValue))
+				{
+					cell.SetCellValue(dateValue.ToString("s"));
+				}
 				else
 				{
 					cell.SetCellValue(rowValue);