diff --git a/src/lib/extensions.js b/src/lib/extensions.js
index 25606aa6c..97c00aaac 100644
--- a/src/lib/extensions.js
+++ b/src/lib/extensions.js
@@ -53,6 +53,7 @@ export const DOCUMENT_EXTENSIONS = CODE_EXTENSIONS.concat(NON_CODE_EXTENSIONS)
     .concat([
         'doc',
         'docx',
+        'dwg',
         'gdoc',
         'gsheet',
         'gslide',