Every organization has their own rhythm, schedules, and work cadences. You can now customize your backup schedule to suit your needs. Configure your policy to capture backups monthly, weekly, daily, or hourly. You can also choose a start time and preferred time zone. This change is available in v2.19 of the Salesforce Backup managed package.
Where: This change applies to Lightning Experience in Enterprise, Professional, and Unlimited editions.
Who: This change applies to editions that have the Salesforce Backup add-on subscription.
How: In the Salesforce Backup app, on the Backup tab, click Configure Policy Defaults. Then choose when you want the app to make backups.