Microsoft Expression Web, code-named Quartz, is an HTML editor and general web design program by Microsoft. It is part of the Expression Studio suite. It is not considered by Microsoft to be a WYSIWYG editor, nor is it touted as such. The EW community FAQ describes EW as an HTML editor that "is designed to make quality, standards-compliant websites that display properly on all browsers." Microsoft Expression Web provides the ability to install add-ons from third-party developers, extending its capabilities.