With iPod File Transfer, you can delete and add items for the existing playlist in the iPhone or iPod and also delete and create new playlist directly.
Method 1:
1. Run the software, and connect your iPod/iPhone to your computer via USB cable.
2. When the iPod/iPhone icon appears in the iPod FIle Transfer window, select a playlist below the iPod / iPhone icon, and choose "File > Playlist > New Playlist" to create an untitled playlist. This will appear at the bottom of the list of playlists below the selected iPod/iPhone icon.
3. Type in a name for your playlist. Pick something short yet descriptive for the playlist name, as this will help you organize your music and video on your iPod / iPhone.
4. Add audio or video files to your new playlist.
Method 2:
Select any existing playlist and right click, choose "New Playlist" to create an untitled playlist, rename and add items to it.
Method 3:
Check the files you want to create in a playlist, right click and choose "Create Playlist with selected" to create an untitled playlist.
Tips:
You can also rename and delete the created playlist.
You can also import files to your iPod / iPhone by dragging files.