diff --git a/rifle.conf b/rifle.conf
index 5c4af36..2ad7873 100644
--- a/rifle.conf
+++ b/rifle.conf
@@ -86,6 +86,7 @@ ext x?html?, has w3m,             terminal = w3m "$@"
 ext csv = sc-im -- "$@"
 ext tsv|tab = sc-im -- "$@"
 ext sc = sc-im -- "$@"
+ext xls|xlsx = sc-im -- "$@"
 
 # Define the "editor" for text files as first action
 mime ^text,  label editor = $EDITOR -- "$@"