SkyKick Cloud Backup for Exchange Online is the perfect solution to back up your emails and data beyond the 30-day period imposed in Office 365. You can keep your precious emails for as long as you want and protect your information from accidental or malicious data loss. You can also retrieve them easily with the self-service Cloud Backup interface. Office 365 Groups backup is also included. Priced per user. The cost of Azure data storage is extra. Annual commitment billed monthly.