diff --git a/init.el b/init.el
index c1abe53..b282b28 100644
--- a/init.el
+++ b/init.el
@@ -789,12 +789,7 @@ are assumed to be of the form *.crt."
               (add-to-list 'dired-latex-unclean-extensions extension))
 
             (if on-windows
-                (setq dired-guess-shell-alist-user
-                      '(("\\.pdf\\'" "cmd /c")
-                        ("\\.docx?\\'" "cmd /c")
-                        ("\\.pptx?\\'" "cmd /c")
-                        ("\\.xlsx?\\'" "cmd /c")
-                        ("\\.one\\'" "cmd /c")))
+                (setq dired-guess-shell-alist-user '((".*" "cmd /c")))
               (setq dired-guess-shell-alist-user
                     '(("\\.pdf\\'" "evince")
                       ("\\.ps\\'" "evince")