diff --git a/Umbraco.gitignore b/Umbraco.gitignore
index be2db99c58713160b4776bfbe75845cd333785e1..f762672ed2015b1bff310eef9a098e6e1dd904ba 100644
--- a/Umbraco.gitignore
+++ b/Umbraco.gitignore
@@ -1,9 +1,12 @@
-# Ignore Umbraco folders (Generated folders created by Umbraco)
-ClientDependency/
-TEMP/
-Logs/
+# Note: VisualStudio gitignore rules may also be relevant
+
+# Ignore unimportant folders generated by Umbraco
+**/App_Data/ClientDependency/
+**/App_Data/ExamineIndexes/
+**/App_Data/Logs/
+**/App_Data/[Pp]review/
+**/App_Data/TEMP/
 Cached/
-ExamineIndexes/
 
 # Ignore Umbraco content cache file
-umbraco.config
+**/App_Data/umbraco.config