Hi Greg,
For Windows Media Player
Click Library
In the Contents pane (the left pane), expand the My Playlists category, then click a playlist to make it play.
On the File menu, click Save Now Playing List As (Save Playlist As in Windows Media Player 9 Series), click Save as type, and then click M3U Playlist(*.m3u).
In the File name box, type a file name for the M3U playlist, and then click Save.
For further clarifications:
https://www.razumny.no/2009/05/exporting-itunes...
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Let us know if this helped you out.
Your feedback is much appreciated.
Thanks and regards,