autocomplete doesn't shows groups

after an update of outlook 2016, autocomplete list doesn't show the groups of my contacts but shows the simple contacts.

https://support.office.com/en-us/article/The-Auto-Complete-list-doesn-t-remember-names-or-email-addresses-19ba9a7d-e37a-4220-97c1-40499bc2f357

i have tried this but nothing changed.