diff --git a/init.lua b/init.lua
index 0f12221..74f67df 100644
--- a/init.lua
+++ b/init.lua
@@ -1,4 +1,5 @@
 -- load configurations files from lua/*
+require('filetype')
 require('options')
 require('functions')
 require('plugins')
diff --git a/lua/filetype.lua b/lua/filetype.lua
new file mode 100644
index 0000000..f3c5503
--- /dev/null
+++ b/lua/filetype.lua
@@ -0,0 +1,5 @@
+vim.filetype.add({
+  extension = {
+    CON = 'confile',
+  },
+})
diff --git a/syntax/confile.vim b/syntax/confile.vim
new file mode 100644
index 0000000..e5790a5
--- /dev/null
+++ b/syntax/confile.vim
@@ -0,0 +1,18 @@
+" Vim Syntax file for CON files
+
+syn match SetLength /^\d\{3\}/ nextgroup=SetKeyword,SetKeywordMarked
+syn match SetKeyword /\d\{4\}/ contained
+syn match SetKeywordMarked /310[123]\|5000/ contained nextgroup=SetKeywordMarkedInfo
+syn match SetKeywordMarkedInfo /..*/ contained
+
+hi SetLength guifg=grey
+hi SetKeyword guifg=lightgreen
+hi SetKeywordMarked gui=inverse guifg=lightgreen
+hi SetKeywordMarkedInfo gui=inverse
+
+
+syn match SetStart /^0138000/ nextgroup=SetType
+syn match SetType /con0\|con9\|besa\|adt0\|adt9\|010[1-4]\|rvsa/ contained " 0101
+
+hi SetStart guifg=white guibg=green
+hi SetType guifg=white guibg=red