Windows Media Player 12 Customize Playlist
Windows media Player Navigation pane by default shows only 5 recent playlists. This can be changed to show all playlists you have.
To do so switch to WMP library and right click on Playlists in navigation pane.
Here click on customize navigation pane which opens a popup where you can select to display “Recent 5“or “All” playlists.
Further Video, Music, Synch options are available there.