diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 00000000000..afe5d8298c5
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,7 @@
+# http://editorconfig.org/
+# Atom: Install the editorconfig addon.
+root = True
+
+[*.dm,*.dme]
+indent_style = tab
+indent_size = 2