diff --git a/api/templates/default/images/dhtmlxtree/MailFolderOutbox.svg b/api/templates/default/images/dhtmlxtree/MailFolderOutbox.svg
new file mode 100644
index 0000000000..4d241fb78a
--- /dev/null
+++ b/api/templates/default/images/dhtmlxtree/MailFolderOutbox.svg
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg version="1.1" width="32" height="32" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg">
+ <path d="M16 0c-.988 0-1.962.346-2.735 1.04L1.103 11.94c-1.05.94-1.35 2.55-.9 3.728C.653 16.845 1.952 18 3.361 18h4.64v4c0 2.173 1.825 4 3.999 4h8c2.174 0 4-1.827 4-4v-4h4.64c1.409 0 2.707-1.154 3.158-2.33.45-1.177.15-2.787-.899-3.729l-12.137-10.9A4.144 4.144 0 0 0 16.001 0zm0 3c.275 0 .553.09.758.273l12.137 10.9c.26.235.095.826-.256.827h-6.64a1 1 0 0 0-1 1v6a1 1 0 0 1-1 1h-8a1 1 0 0 1-1-1v-6a1 1 0 0 0-1-1H3.362c-.352 0-.518-.592-.256-.827L15.267 3.271A1.07 1.07 0 0 1 15.999 3zM0 21v5c0 3.29 2.71 6 6 6h20c3.29 0 6-2.71 6-6v-5h-3v4a4 4 0 0 1-4 4H7a4 4 0 0 1-4-4v-4z" fill="#62686a"/>
+</svg>