diff --git a/site-lisp/db-org.el b/site-lisp/db-org.el
index a5abbdd..2208a2b 100644
--- a/site-lisp/db-org.el
+++ b/site-lisp/db-org.el
@@ -96,9 +96,9 @@
 (add-to-list 'org-file-apps '(directory . emacs))
 
 ;; use system default for Microsoft stuff
-(add-to-list 'org-file-apps '("\\.docx\\'" . system))
-(add-to-list 'org-file-apps '("\\.pptx\\'" . system))
-(add-to-list 'org-file-apps '("\\.xlsx\\'" . system))
+(add-to-list 'org-file-apps '("\\.docx?\\'" . default))
+(add-to-list 'org-file-apps '("\\.pptx?\\'" . default))
+(add-to-list 'org-file-apps '("\\.xlsx?\\'" . default))
 
 (when (eq system-type 'cygwin)
   (add-to-list 'org-file-apps '(t . "cygstart %s") t))