diff --git a/.muttrc b/.muttrc
--- a/.muttrc
+++ b/.muttrc
@@ -103,6 +103,7 @@ set wrap              = 100
 set reflow_wrap       = 100
 set markers           = no
 set collapse_unread   = no
+set collapse_all      = yes
 
 set date_format   = "%m-%d %H:%M"
 set index_format  = "%3C %Z %D  %-25.25F %?M?〰&  ?%s%?M?%* (%M hidden)?"