Purpose Backup your files is important and often neglect even with a dedicated day now (the 31th March of each year). Especially if you use services like Nextcloud to store all your files from your devices (desktop, laptop, smartphone…) : documents, photos, contacts, calendars… The disk space requires can be huge since it’s almost a 1:1 ratio. And storage is often the most expansive part when you look for a online server.