WPL (Windows Media Player Playlist) is a computer file format that stores multimedia playlists. It is a proprietary file format used in MicrosoftWindows Media Player versions 9–12.〔Microsoft Corporation ("Windows Media Player multimedia file formats" ), Article ID: 316992. Accessed April 2, 2007〕〔UpdateXP.com ("Windows Media Player Files" ). Retrieved Dec 30, 2011〕 The elements of WPL files are represented in XML format. The top-level element, smil, specifies that the file's elements follow the SMIL (Synchronized Multimedia Integration Language) structure.〔Microsoft Corporation ("Windows Media Playlist Elements Reference" ). Accessed May 17, 2009〕 The file is saved with the "wpl" filename extension and its MIME type is ''application/vnd.ms-wpl''. ==Example== Here is an example of a wpl file.