I'm new in this, but i had the same question. You have to enable the editor as an admin changing the option WHEN EDITING TEXT to USE HTML EDITOR (SOME BROWSERS ONLY) on each user ACCOUNT information.
i hope it works!!
Text editors
picture insert editor
Энэ мэтгэлцээн түгжигдсэн тул та цаашид хариулт өгөх боломжгүй