TextEdit was the name of a collection of application programming interfaces (APIs) in the classic Mac OS for performing text editing. These APIs were originally designed to provide a common text handling system to support text entry fields in dialog boxes and other simple text editing within the Macintosh GUI. Over time, they were extended to provide more advanced text editing features, but its limited original scope led to fundamental limitations. Apple repeatedly stated that TextEdit was not a word processor, and therefore providing rich text editing was always left to third-party developers.