diff --git a/.gitignore b/.gitignore
index 3529ad9..4d635af 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,6 @@
-
+#ignore backup copies
+*~
+*.swp
 #ignore thumbnails created by windows
 Thumbs.db
 #Ignore files build by Visual Studio
@@ -26,4 +28,7 @@ Thumbs.db
 obj/
 [Rr]elease*/
 _ReSharper*/
-[Tt]est[Rr]esult*
\ No newline at end of file
+[Tt]est[Rr]esult*
+*.sdf
+*.opensdf
+ipch/
diff --git a/.gitignore.bak b/.gitignore.bak
index 3529ad9..4d635af 100644
--- a/.gitignore.bak
+++ b/.gitignore.bak
@@ -1,4 +1,6 @@
-
+#ignore backup copies
+*~
+*.swp
 #ignore thumbnails created by windows
 Thumbs.db
 #Ignore files build by Visual Studio
@@ -26,4 +28,7 @@ Thumbs.db
 obj/
 [Rr]elease*/
 _ReSharper*/
-[Tt]est[Rr]esult*
\ No newline at end of file
+[Tt]est[Rr]esult*
+*.sdf
+*.opensdf
+ipch/