In simple terms, a WPL file doesn't contain any actual music, video, or audio data. Instead, it is a small text-based file that tells the media player and in what order . How It Works Behind the scenes, a .wpl file is written in XML (Extensible Markup Language), which is a human-readable code.
A .wpl file is a Windows Playlist file. It is a proprietary file format developed by Microsoft for use in its Windows Media Player (versions 9 and later). what is .wpl extension