Surely you know what a backup is, right? It is what we could also call a “safety copy“. Free backups are precisely that, softwares through which you can create backup copies of your data, to save them on drives such as external hard drives, flash drives, network devices and others. What are they for? Simply put, to restore the original information that you had, of course, after having lost it by accident in some misfortune or careless incident.