diff --git a/VisualStudio.gitignore b/VisualStudio.gitignore
index 9103a3f2..2518b002 100644
--- a/VisualStudio.gitignore
+++ b/VisualStudio.gitignore
@@ -24,6 +24,11 @@ bld/
 *.VisualState.xml
 TestResult.xml
 
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
 *_i.c
 *_p.c
 *_i.h