diff --git a/VisualStudio.gitignore b/VisualStudio.gitignore
index 9c1236a3004942dd59bac7f219c59566bc2cb90f..49f381c4f26efd87d3b7ca581ec6a5cdb4d38659 100644
--- a/VisualStudio.gitignore
+++ b/VisualStudio.gitignore
@@ -155,6 +155,10 @@ publish/
 csx/
 *.build.csdef
 
+# Windows Azure Emulator
+efc/
+rfc/
+
 # Windows Store app package directory
 AppPackages/