You use wrong configuration file, config.js is not used by Elxis. Elxis has the following configuration files for CKEditor:HTML EDITORconfig_full.js (for users with access level from 70 to 100 - Managers and Administrators)config_normal.js (for users with access level from 2 to 69 - Users, Authors and Publishers)config_mini.js (for users with access level from 0 to 1 - Guests and External users)BBCODE EDITORconfig_bbcode_full.js (for users with access level from 70 to 100 - Managers and Administrators)config_bbcode_normal.js (for users with access level from 2 to 69 - Users, Authors and Publishers)config_bbcode_mini.js (for users with access level from 0 to 1 - Guests and External users)NoteThe CKEditor in Elxis CMS is controlled by the helper class "editor" (includes/libraries/elxis/helpers/editor.helper.php)$editor = eFactory::getElxis()->obj('editor');