diff --git a/runtime/ftplugin/dax.vim b/runtime/ftplugin/dax.vim
new file mode 100644
index 0000000..e5783f0
--- /dev/null
+++ b/runtime/ftplugin/dax.vim
@@ -0,0 +1,16 @@
+" Vim filetype plugin
+" Language: Data Analysis Expressions (DAX)
+" Maintainer: Anarion Dunedain <anarion80@gmail.com>
+" Last Change: 2025 Apr 2
+
+if exists('b:did_ftplugin')
+  finish
+endif
+
+let b:did_ftplugin = 1
+
+setlocal comments=sO:*\ -,mO:*\ \ ,exO:*/,s1:/*,mb:*,ex:*/,://
+
+setlocal commentstring=//\ %s
+
+let b:undo_ftplugin = 'setl com< cms<'