Drop the zip Spotify emailed you. It’s read right here, on this device. Nothing is uploaded.
Only the Streaming_History_Audio files inside the zip (or older endsong / StreamingHistory_music files). Podcasts, videos and everything else are ignored.
Nowhere. The zip is unpacked and counted in this browser, and the summary is saved on this device so you can come back. Clearing your browser data deletes it. Privacy · Terms
You probably got the one-year Account data. Go back and request Extended streaming history instead.