diff --git a/VisualStudio.gitignore b/VisualStudio.gitignore
index 150691aa0fa954ec578bc1528e18c01c05b3ab05..e37f66114c8fd6a8750372246eb642e3704e34d1 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/