diff --git a/VisualStudio.gitignore b/VisualStudio.gitignore
index 4bff63b0..7c4ca8bb 100644
--- a/VisualStudio.gitignore
+++ b/VisualStudio.gitignore
@@ -206,3 +206,11 @@ FakesAssemblies/
 
 # Visual Studio 6 workspace options file
 *.opt
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions