As of Moodle version 2.8, ATTO became the default editor in Moodle at VCC.
While much simpler and easier for new users, ATTO is a bit different than the previous editor (TinyMCE) which had been the default in previous versions.
Here's a very good tutorial of the ATTO editor, done by Moodle expert, Mary Cooch.
More from Moodle.org: https://docs.moodle.org/en/Text_editor
Want to change your default Moodle editor?