From William Asher:
Play List Editor program creates playlists for the Sansa e200 series MP3 players, including the e250, e260, e270, and e280. Play List Editor will read the directory structures of the music folder on the main drive and the music folder on the SD drive, if present, and create standard unicode playlist files in the playlists folder on the main drive of the player. Play List Editor has been tested on Windows XP and Windows Vista, but may work on other operating systems. This program requires that the Java Runtime Environment (JRE) is installed on the computer to which the MP3 player is attached. This version includes the capability to change playlists once they have been created, by double-clicking the name of the playlist, then moving tracks around using the mouse. A Windows version of Play List Editor (v1.5w) is also available at Download.com. It has virtually the same features as this program, but does not require the JRE to run.
Version 1.6j corrects playlists so they use Windows style folder-separators ("\") even when created using Macintosh or Unix computers; The playlist should always use the Windows style separator.