If you can download Spotify music to mp3, you can then backup them to external hard drive and play them with any music player. The offline music is DRM protected and can only play within Spotify app.
Only Premium subscribers can download Spotify Music. If you don’t go online with Spotify at least once every 30 days, any tracks you’ve downloaded for offline listening are automatically removed from your device. This is so Spotify can check your subscription is still active and count track plays to compensate artists. Thenmany people ask can I download Spotify songs to external hard drive? From Spotify FAQ page you can find that premium subscribers must go online with Spotify at least once every 30 days.
If you download a lot of Spotify playlists for offline listening and save them on your computer, they may occupy a large part of storage.
