diff --git a/dots/lf/lfrc b/dots/lf/lfrc
index 3c43fee..f66aa4d 100644
--- a/dots/lf/lfrc
+++ b/dots/lf/lfrc
@@ -53,14 +53,15 @@ map X !$f
 
 # define a custom 'open' command
 # This command is called when current file is not a directory. You may want to
-# use either file extensions and/or mime types here. Below uses an editor for
-# text files and a file opener for the rest.
-#cmd open &{{
+# use either file extensions and/or mime types here. Below example uses an
+# editor for text files and a file opener for the rest:
+#
+# cmd open &{{
 #    case $(file --mime-type -Lb $f) in
 #        text/*) lf -remote "send $id \$$EDITOR \$fx";;
 #        *) for f in $fx; do $OPENER $f > /dev/null 2> /dev/null & done;;
 #    esac
-#}}
+# }}
 
 
 cmd open ${{
@@ -78,6 +79,7 @@ cmd open ${{
                 text/*) nano $fx;;
                 *) for f in $fx; do xdg-open $f > /dev/null 2> /dev/null & done;;
             esac
+        *.[Xx][Ll][Ss][Xx]*) onlyoffice-desktopeditors $fx &;;
     esac
 
 }}