Spotify makes it easy for you to organize and manage the playlists in your music library and avoid wasting time hunting for your favorite tracks. Here are some tips for keeping tabs on your playlists:
Create playlist folders by selecting File→New Playlist Folder from the menu bar. Click and drag your playlists into these folders.
In the left sidebar, click and drag folders and playlists into your chosen order.
Categorize folders by giving them meaningful names, such as genre, artist, or year.
Get an overview of all tracks in a folder by clicking a playlist folder to view them in the main pane.
Find your favorite playlists quickly by dragging them to the top of your list, for easy viewing.