The Default format setting determines whether wiki authors use standard the wiki markup or HTML code while editing. If you will use the HTML editor for other student activities, setting this to HTML can simplify this activity for your students. They will get familiar with the HTML editor and don't need to learn the wiki markup language. However, if your students are accustomed to wikis, you may want to select Creole. This enables them to use a common wiki markup, which is faster for experienced typists.

If you do not select the Force format, when a student enters the wiki, they will be able to select the format to use for editing purposes: