Product information:

The Ultimate Protection for Office 365 Mail, Contacts, and Attachments includes 1GB Storage per user. With the scalability and unique data protection capabilities of Acronis Backup Cloud for Office 365.

REQUIREMENTS
Backup of Office 365 email requires a valid subscription to Office 365 Enterprise E1 or greater.
Acronis Backup Cloud support for Office 365 email requires the use of a Windows®-based Acronis backup agent.

MANAGING EMAIL BACKUPS COULDN’T BE EASIER
Using the efficient web-based console, your customers can preview and search their mail by subject, to/from, and sent/received date ranges, and download attachments without the need to recover the data. Additionally, customers can granularly restore individual emails, attachments, contacts, calendars, and tasks or even recover messages by sending them as an email right from the recovery console.