Unitrends Spanning Backup for Office 365 - subscription upfront

Spanning Backup for Office 365 provides highly reliable, automated SaaS backup protection for Office 365, eliminating the potential loss of data and issues due to system crashes or accidental deletions. Spanning provides complete protection for Exchange Mail, Calendars, OneDrive and SharePoint - with unlimited retention. Spanning Backup for Office 365 backs up your data daily, and enables fast, self-service restores via an intuitive user interface.