diff --git a/DubUrl.Adomd/Querying/DaxValueFormatter.cs b/DubUrl.Adomd/Querying/DaxValueFormatter.cs
index f8264864..db450ced 100644
--- a/DubUrl.Adomd/Querying/DaxValueFormatter.cs
+++ b/DubUrl.Adomd/Querying/DaxValueFormatter.cs
@@ -14,7 +14,10 @@ internal class DaxValueFormatter : BaseValueFormatter
     public DaxValueFormatter()
     {
         With(new BooleanFormatter());
-        With(new DoubleQuotedValueFormatter());
+        With(new GuidFormatter());
+        With<string>(new DoubleQuotedValueFormatter());
+        With<char>(new DoubleQuotedValueFormatter());
+        With<char>(new DoubleQuotedValueFormatter());
         With(new FunctionFormatter<DateOnly>("VALUE", new DaxDateFormatter()));
         With(new FunctionFormatter<TimeOnly>("VALUE", new DaxTimeFormatter()));
         With(new FunctionFormatter<DateTime>("VALUE", new DaxTimestampFormatter()));
diff --git a/DubUrl.Core/Querying/Dialects/Formatters/DoubleQuotedValueFormatter.cs b/DubUrl.Core/Querying/Dialects/Formatters/DoubleQuotedValueFormatter.cs
index 9cfafa82..780257ef 100644
--- a/DubUrl.Core/Querying/Dialects/Formatters/DoubleQuotedValueFormatter.cs
+++ b/DubUrl.Core/Querying/Dialects/Formatters/DoubleQuotedValueFormatter.cs
@@ -6,10 +6,17 @@
 
 namespace DubUrl.Querying.Dialects.Formatters;
 
-public class DoubleQuotedValueFormatter : IValueFormatter<string>
+public class DoubleQuotedValueFormatter : IValueFormatter<string>, IValueFormatter<char>
 {
     public string Format(string value)
         => $"\"{value}\"";
+    public string Format(char value)
+        => $"\"{value}\"";
     public string Format(object obj)
-        => obj is string value ? Format(value) : throw new Exception();
+        => obj switch
+        {
+            char c => Format(c),
+            string str => Format(str),
+            _ => throw new Exception()
+        };
 }
diff --git a/DubUrl.Core/Querying/Dialects/Formatters/GuidFormatter.cs b/DubUrl.Core/Querying/Dialects/Formatters/GuidFormatter.cs
new file mode 100644
index 00000000..5aabbc1a
--- /dev/null
+++ b/DubUrl.Core/Querying/Dialects/Formatters/GuidFormatter.cs
@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DubUrl.Querying.Dialects.Formatters;
+public class GuidFormatter : IValueFormatter<Guid>
+{
+    public string Format(Guid value)
+        => $"'{value}'";
+
+    public string Format(object obj)
+        => obj is Guid value
+                ? Format(value)
+                : obj is string str
+                    ? Format(str)   
+                    : throw new Exception();
+
+    public virtual string Format(string value)
+        => Guid.TryParse(value, out var guid) ? Format(guid) : throw new Exception();
+}
diff --git a/DubUrl.Core/Querying/Dialects/Formatters/SimpleQuotedValueFormatter.cs b/DubUrl.Core/Querying/Dialects/Formatters/SimpleQuotedValueFormatter.cs
index 34c9aa1e..e993bdd8 100644
--- a/DubUrl.Core/Querying/Dialects/Formatters/SimpleQuotedValueFormatter.cs
+++ b/DubUrl.Core/Querying/Dialects/Formatters/SimpleQuotedValueFormatter.cs
@@ -6,10 +6,17 @@
 
 namespace DubUrl.Querying.Dialects.Formatters;
 
-public class SimpleQuotedValueFormatter : IValueFormatter<string>
+public class SimpleQuotedValueFormatter : IValueFormatter<string>, IValueFormatter<char>
 {
     public string Format(string value)
         => $"'{value}'";
+    public string Format(char value)
+        => $"'{value}'";
     public string Format(object obj)
-        => obj is string value ? Format(value) : throw new Exception();
+        => obj switch
+        {
+            char c => Format(c),
+            string str => Format(str),
+            _ => throw new Exception()
+        };
 }
diff --git a/DubUrl.Core/Querying/Dialects/Renderers/ValueFormatter.cs b/DubUrl.Core/Querying/Dialects/Renderers/ValueFormatter.cs
index 8fe51803..82815a85 100644
--- a/DubUrl.Core/Querying/Dialects/Renderers/ValueFormatter.cs
+++ b/DubUrl.Core/Querying/Dialects/Renderers/ValueFormatter.cs
@@ -14,7 +14,9 @@ public class ValueFormatter : BaseValueFormatter
     public ValueFormatter()
     {
         With(new BooleanFormatter());
-        With(new SimpleQuotedValueFormatter());
+        With(new GuidFormatter());
+        With<string>(new SimpleQuotedValueFormatter());
+        With<char>(new SimpleQuotedValueFormatter());
         With(new PrefixFormatter<DateOnly>("DATE", new DateFormatter()));
         With(new PrefixFormatter<TimeOnly>("TIME", new TimeFormatter()));
         With(new PrefixFormatter<DateTime>("TIMESTAMP", new TimestampFormatter()));
diff --git a/DubUrl.Testing/Querying/Dialects/Formatters/FormattersTest.cs b/DubUrl.Testing/Querying/Dialects/Formatters/FormattersTest.cs
index 1df15180..907eb6fc 100644
--- a/DubUrl.Testing/Querying/Dialects/Formatters/FormattersTest.cs
+++ b/DubUrl.Testing/Querying/Dialects/Formatters/FormattersTest.cs
@@ -133,4 +133,15 @@ public void PrefixFormatter_Format_Match(DateTime value, string expected)
     public void SimpleQuotedValueFormatter_Format_Match(string value, string expected)
         => Assert.That(new SimpleQuotedValueFormatter().Format(value), Is.EqualTo(expected));
 
-}
\ No newline at end of file
+    [Test]
+    [TestCase("36f1d158-1fa1-11ed-ba36-c8cb9e32df8e", "'36f1d158-1fa1-11ed-ba36-c8cb9e32df8e'")]
+    [TestCase("36F1D158-1FA1-11ED-BA36-C8CB9e32DF8E", "'36f1d158-1fa1-11ed-ba36-c8cb9e32df8e'")]
+    public void GuidFormatter_Guid_Match(Guid value, string expected)
+        => Assert.That(new GuidFormatter().Format(value), Is.EqualTo($"'{value}'"));
+
+    [Test]
+    [TestCase("36f1d158-1fa1-11ed-ba36-c8cb9e32df8e", "'36f1d158-1fa1-11ed-ba36-c8cb9e32df8e'")]
+    [TestCase("36F1D158-1FA1-11ED-BA36-C8CB9e32DF8E", "'36f1d158-1fa1-11ed-ba36-c8cb9e32df8e'")]
+    public void GuidFormatter_String_Match(string value, string expected)
+        => Assert.That(new GuidFormatter().Format(value), Is.EqualTo(expected));
+}