diff --git a/Source/non_ip/reject-drop.conf b/Source/non_ip/reject-drop.conf
index 5b15548b..117b6fb9 100644
--- a/Source/non_ip/reject-drop.conf
+++ b/Source/non_ip/reject-drop.conf
@@ -34,6 +34,10 @@ DOMAIN-SUFFIX,easytomessage.com
 # Bilibili
 DOMAIN,dataflow.biliapi.com
 
+# Microsoft
+# Storming at 1 per second and spamming log
+DOMAIN-SUFFIX,data.microsoft.com
+
 # Grafana
 # 4 per minute might sounds like not that bad, but it is sorta flooding Surge Dashboard
 DOMAIN,stats.grafana.org