Create designs for Web and desktop application user interfaces.Microsoft Expression Design 3 is a tool for creative professionals and developers who want to build graphics for application user interfaces, the web, or any other medium. You can import Windows Metafile (WMF), Enhanced Metafile (EMF), and Enhanced Metafile Plus (EMF+) files into your Expression Design project. WMF and EMF files are highly portable files that contain vector-based graphics content commonly created using the art and illustration tools in Microsoft Office applications such as Office Word and Office Visio.