Change class

With the Change Class dialog box, you can change the class of the object from which you launched the action.

Class list
Select the new class from the class list. To see classes marked as "Hidden", select the List Hidden Classes checkbox.

(If the object whose class you are changing is a document, the dialog box will include a Versions section)

Versions
Select whether you want to change the class of only a single version or of all versions in the document's version series.

Click OK when you are done.