diff --git a/Libraries/UniversalEditor.Essential/UniversalEditor.Essential.csproj b/Libraries/UniversalEditor.Essential/UniversalEditor.Essential.csproj
index 575fa508..dec9b6e5 100644
--- a/Libraries/UniversalEditor.Essential/UniversalEditor.Essential.csproj
+++ b/Libraries/UniversalEditor.Essential/UniversalEditor.Essential.csproj
@@ -217,6 +217,11 @@
     <Compile Include="DataFormats\Package\OpenDocument\Internal\ManifestXML\ManifestXMLObjectModel.cs" />
     <Compile Include="DataFormats\Package\OpenDocument\Internal\ManifestXML\ManifestFileEntry.cs" />
     <Compile Include="DataFormats\Package\OpenDocument\Internal\ManifestXML\XMLSchemas.cs" />
+    <Compile Include="DataFormats\SymbolicExpressions\SymbolicExpressionsDataFormat.cs" />
+    <Compile Include="ObjectModels\SymbolicExpressions\SymbolicExpressionsObjectModel.cs" />
+    <Compile Include="ObjectModels\SymbolicExpressions\ListExpression.cs" />
+    <Compile Include="ObjectModels\SymbolicExpressions\LiteralExpression.cs" />
+    <Compile Include="ObjectModels\SymbolicExpressions\SymbolicExpression.cs" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\UniversalEditor.Core\UniversalEditor.Core.csproj">
@@ -262,9 +267,12 @@
     <Folder Include="DataFormats\BinaryGrammar\WxHexEditor\" />
     <Folder Include="DataFormats\Package\OpenDocument\Internal\" />
     <Folder Include="DataFormats\Package\OpenDocument\Internal\ManifestXML\" />
+    <Folder Include="DataFormats\SymbolicExpressions\" />
+    <Folder Include="ObjectModels\SymbolicExpressions\" />
   </ItemGroup>
   <ItemGroup>
     <EmbeddedResource Include="Associations\PlainText.uexml" />
+    <EmbeddedResource Include="Associations\SymbolicExpressions.uexml" />
   </ItemGroup>
   <ItemGroup>
     <None Include="ObjectModels\Chunked\RIFFMetadata.cs">
diff --git a/Libraries/UniversalEditor.UserInterface/UniversalEditor.UserInterface.csproj b/Libraries/UniversalEditor.UserInterface/UniversalEditor.UserInterface.csproj
index 5d9134fa..a3460e32 100644
--- a/Libraries/UniversalEditor.UserInterface/UniversalEditor.UserInterface.csproj
+++ b/Libraries/UniversalEditor.UserInterface/UniversalEditor.UserInterface.csproj
@@ -139,6 +139,7 @@
     <Compile Include="MultipleDocumentErrorHandling.cs" />
     <Compile Include="Editors\PropertyList\PropertyListSelection.cs" />
     <Compile Include="SettingsGuids.cs" />
+    <Compile Include="Editors\SymbolicExpressions\SymbolicExpressionsEditor.cs" />
   </ItemGroup>
   <ItemGroup>
     <BootstrapperPackage Include="Microsoft.Net.Client.3.5">
@@ -198,6 +199,7 @@
     <Folder Include="PrintHandlers\" />
     <Folder Include="SettingsProviders\" />
     <Folder Include="Editors\Database\Dialogs\" />
+    <Folder Include="Editors\SymbolicExpressions\" />
   </ItemGroup>
   <ItemGroup>
     <EmbeddedResource Include="SettingsProviders\DefaultSettingsProvider.xml" />