Backing up data can take a lot of time depending on the size of the data intended for backup, during which a large portion of the machine's resources are consumed by the backup application. To avoid interrupting work or slowing down the machine while it is being actively used, users can schedule backup tasks to run unattended at times that guarantee no interruptions to their work. Scheduling also insure that the data is being backed up on a regular basis without user interaction. Scheduling Backups are Step 5 in the Backup Wizard.