diff --git a/projects/Windows/VC10/lib/.gitignore b/projects/Windows/VC10/lib/.gitignore
index d2d7b7fb4fea12..0eec869e3373ea 100644
--- a/projects/Windows/VC10/lib/.gitignore
+++ b/projects/Windows/VC10/lib/.gitignore
@@ -2,5 +2,6 @@
 /*.filters
 /*.user
 /*.ncb
+/*.opensdf
 /*.sdf
 /*.suo
diff --git a/projects/Windows/VC10/src/.gitignore b/projects/Windows/VC10/src/.gitignore
index d2d7b7fb4fea12..0eec869e3373ea 100644
--- a/projects/Windows/VC10/src/.gitignore
+++ b/projects/Windows/VC10/src/.gitignore
@@ -2,5 +2,6 @@
 /*.filters
 /*.user
 /*.ncb
+/*.opensdf
 /*.sdf
 /*.suo
diff --git a/projects/Windows/VC11/lib/.gitignore b/projects/Windows/VC11/lib/.gitignore
index d2d7b7fb4fea12..0eec869e3373ea 100644
--- a/projects/Windows/VC11/lib/.gitignore
+++ b/projects/Windows/VC11/lib/.gitignore
@@ -2,5 +2,6 @@
 /*.filters
 /*.user
 /*.ncb
+/*.opensdf
 /*.sdf
 /*.suo
diff --git a/projects/Windows/VC11/src/.gitignore b/projects/Windows/VC11/src/.gitignore
index d2d7b7fb4fea12..0eec869e3373ea 100644
--- a/projects/Windows/VC11/src/.gitignore
+++ b/projects/Windows/VC11/src/.gitignore
@@ -2,5 +2,6 @@
 /*.filters
 /*.user
 /*.ncb
+/*.opensdf
 /*.sdf
 /*.suo
diff --git a/projects/Windows/VC12/lib/.gitignore b/projects/Windows/VC12/lib/.gitignore
index d2d7b7fb4fea12..0eec869e3373ea 100644
--- a/projects/Windows/VC12/lib/.gitignore
+++ b/projects/Windows/VC12/lib/.gitignore
@@ -2,5 +2,6 @@
 /*.filters
 /*.user
 /*.ncb
+/*.opensdf
 /*.sdf
 /*.suo
diff --git a/projects/Windows/VC12/src/.gitignore b/projects/Windows/VC12/src/.gitignore
index d2d7b7fb4fea12..0eec869e3373ea 100644
--- a/projects/Windows/VC12/src/.gitignore
+++ b/projects/Windows/VC12/src/.gitignore
@@ -2,5 +2,6 @@
 /*.filters
 /*.user
 /*.ncb
+/*.opensdf
 /*.sdf
 /*.suo