diff --git a/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/RichTextBox/Formatters/ITextFormatter.cs b/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/RichTextBox/Formatters/ITextFormatter.cs
new file mode 100644
index 00000000..f8e22d41
--- /dev/null
+++ b/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/RichTextBox/Formatters/ITextFormatter.cs
@@ -0,0 +1,11 @@
+using System;
+using System.Windows.Documents;
+
+namespace Microsoft.Windows.Controls
+{
+    public interface ITextFormatter
+    {
+        string GetText(FlowDocument document);
+        void SetText(FlowDocument document, string text);
+    }
+}
diff --git a/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/RichTextBox/Formatters/PlainTextFormatter.cs b/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/RichTextBox/Formatters/PlainTextFormatter.cs
new file mode 100644
index 00000000..1c792a32
--- /dev/null
+++ b/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/RichTextBox/Formatters/PlainTextFormatter.cs
@@ -0,0 +1,21 @@
+using System;
+using System.Windows.Documents;
+
+namespace Microsoft.Windows.Controls
+{
+    /// <summary>
+    /// Formats the RichTextBox text as plain text
+    /// </summary>
+    public class PlainTextFormatter : ITextFormatter
+    {
+        public string GetText(FlowDocument document)
+        {
+            return new TextRange(document.ContentStart, document.ContentEnd).Text;
+        }
+
+        public void SetText(FlowDocument document, string text)
+        {
+            new TextRange(document.ContentStart, document.ContentEnd).Text = text;
+        }
+    }
+}
diff --git a/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/RichTextBox/Formatters/RtfFormatter.cs b/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/RichTextBox/Formatters/RtfFormatter.cs
new file mode 100644
index 00000000..e5a1def6
--- /dev/null
+++ b/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/RichTextBox/Formatters/RtfFormatter.cs
@@ -0,0 +1,33 @@
+using System;
+using System.Text;
+using System.Windows.Documents;
+using System.IO;
+using System.Windows;
+
+namespace Microsoft.Windows.Controls
+{
+    /// <summary>
+    /// Formats the RichTextBox text as RTF
+    /// </summary>
+    public class RtfFormatter : ITextFormatter
+    {
+        public string GetText(FlowDocument document)
+        {
+            TextRange tr = new TextRange(document.ContentStart, document.ContentEnd);
+            using (MemoryStream ms = new MemoryStream())
+            {
+                tr.Save(ms, DataFormats.Rtf);
+                return ASCIIEncoding.Default.GetString(ms.ToArray());
+            }
+        }
+
+        public void SetText(FlowDocument document, string text)
+        {
+            TextRange tr = new TextRange(document.ContentStart, document.ContentEnd);
+            using (MemoryStream ms = new MemoryStream(Encoding.ASCII.GetBytes(text)))
+            {
+                tr.Load(ms, DataFormats.Rtf);
+            }
+        }
+    }
+}
diff --git a/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/RichTextBox/Formatters/XamlFormatter.cs b/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/RichTextBox/Formatters/XamlFormatter.cs
new file mode 100644
index 00000000..07e1d31a
--- /dev/null
+++ b/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/RichTextBox/Formatters/XamlFormatter.cs
@@ -0,0 +1,40 @@
+using System;
+using System.Text;
+using System.IO;
+using System.Windows.Documents;
+using System.Windows;
+
+namespace Microsoft.Windows.Controls
+{
+    /// <summary>
+    /// Formats the RichTextBox text as Xaml
+    /// </summary>
+    public class XamlFormatter : ITextFormatter
+    {
+        public string GetText(System.Windows.Documents.FlowDocument document)
+        {
+            TextRange tr = new TextRange(document.ContentStart, document.ContentEnd);
+            using (MemoryStream ms = new MemoryStream())
+            {
+                tr.Save(ms, DataFormats.Xaml);
+                return ASCIIEncoding.Default.GetString(ms.ToArray());
+            }
+        }
+
+        public void SetText(System.Windows.Documents.FlowDocument document, string text)
+        {
+            try
+            {
+                TextRange tr = new TextRange(document.ContentStart, document.ContentEnd);
+                using (MemoryStream ms = new MemoryStream(Encoding.ASCII.GetBytes(text)))
+                {
+                    tr.Load(ms, DataFormats.Xaml);
+                }
+            }
+            catch
+            {
+                throw new InvalidDataException("data provided is not in the correct Xaml format.");
+            }
+        }
+    }
+}
diff --git a/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/RichTextBox/RichTextBox.cs b/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/RichTextBox/RichTextBox.cs
new file mode 100644
index 00000000..4362c096
--- /dev/null
+++ b/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/RichTextBox/RichTextBox.cs
@@ -0,0 +1,115 @@
+using System;
+using System.Windows;
+using System.Windows.Data;
+
+namespace Microsoft.Windows.Controls
+{
+    public class RichTextBox : System.Windows.Controls.RichTextBox
+    {
+        #region Private Members
+
+        private bool _textHasLoaded;
+
+        #endregion //Private Members
+
+        #region Constructors
+
+        public RichTextBox()
+        {
+            Loaded += RichTextBox_Loaded;
+        }
+
+        public RichTextBox(System.Windows.Documents.FlowDocument document)
+            : base(document)
+        {
+            
+        }  
+       
+        #endregion //Constructors
+
+        #region Properties
+
+        private ITextFormatter _textFormatter;
+        /// <summary>
+        /// The ITextFormatter the is used to format the text of the RichTextBox.
+        /// Deafult formatter is the RtfFormatter
+        /// </summary>
+        public ITextFormatter TextFormatter
+        {
+            get
+            {
+                if (_textFormatter == null)
+                    _textFormatter = new RtfFormatter(); //default is rtf
+
+                return _textFormatter;
+            }
+            set
+            {
+                _textFormatter = value;
+            }
+        }
+
+        #region Text
+
+        public static readonly DependencyProperty TextProperty = DependencyProperty.Register("Text", typeof(string), typeof(RichTextBox), new FrameworkPropertyMetadata(String.Empty, FrameworkPropertyMetadataOptions.BindsTwoWayByDefault, new PropertyChangedCallback(OnTextPropertyChanged), new CoerceValueCallback(CoerceTextProperty), true, System.Windows.Data.UpdateSourceTrigger.LostFocus));
+        public string Text
+        {
+            get { return (string)GetValue(TextProperty); }
+            set { SetValue(TextProperty, value); }
+        }
+
+        private static void OnTextPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+        {
+            RichTextBox rtb = (RichTextBox)d;
+
+            if (!rtb._textHasLoaded)
+            {
+                rtb.TextFormatter.SetText(rtb.Document, (string)e.NewValue);
+                rtb._textHasLoaded = true;
+            }
+        }
+
+        private static object CoerceTextProperty(DependencyObject d, object value)
+        {
+            return value ?? "";
+        }
+
+        #endregion //Text
+
+        #endregion //Properties
+
+        #region Methods
+
+        private void UpdateText()
+        {
+            //when the Text is null and the Text hasn't been loaded, it indicates that the OnTextPropertyChanged event hasn't exceuted
+            //and since we are initializing the text from here, we don't want the OnTextPropertyChanged to execute, so set the loaded flag to true.
+            //this prevents the cursor to jumping to the front of the textbox after the first letter is typed.
+            if (!_textHasLoaded && string.IsNullOrEmpty(Text))
+                _textHasLoaded = true;
+
+            if (_textHasLoaded)
+                Text = TextFormatter.GetText(Document);
+        }
+
+        #endregion //Methods
+
+        #region Event Hanlders
+
+        private void RichTextBox_Loaded(object sender, RoutedEventArgs e)
+        {
+            Binding binding = BindingOperations.GetBinding(this, TextProperty);
+
+            if (binding.UpdateSourceTrigger == UpdateSourceTrigger.Default || binding.UpdateSourceTrigger == UpdateSourceTrigger.LostFocus)
+            {
+                LostFocus += (o, ea) => UpdateText();
+            }
+            else
+            {
+                TextChanged += (o, ea) => UpdateText();
+            }
+        }
+
+        #endregion //Event Hanlders
+    }
+}
diff --git a/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/WPFToolkit.Extended.csproj b/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/WPFToolkit.Extended.csproj
index 915333ff..fac27c96 100644
--- a/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/WPFToolkit.Extended.csproj
+++ b/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/WPFToolkit.Extended.csproj
@@ -89,6 +89,11 @@
       <DesignTimeSharedInput>True</DesignTimeSharedInput>
     </Compile>
     <Compile Include="BusyIndicator\VisualStates.BusyIndicator.cs" />
+    <Compile Include="RichTextBox\Formatters\ITextFormatter.cs" />
+    <Compile Include="RichTextBox\Formatters\PlainTextFormatter.cs" />
+    <Compile Include="RichTextBox\Formatters\RtfFormatter.cs" />
+    <Compile Include="RichTextBox\Formatters\XamlFormatter.cs" />
+    <Compile Include="RichTextBox\RichTextBox.cs" />
     <Compile Include="VisualStates.cs" />
     <Compile Include="MessageBox\VisualStates.MessageBox.cs" />
     <EmbeddedResource Include="Properties\Resources.resx">