Its officially supported up by Microsoft would it say it isn’t?
Indeed, that is incompletely valid, anyway you are in the hands of Microsoft Support.
In one end you have no control over what is going on in your system, or what is restored. It will only protect you in the event of service failure. The two fundamental issues with this are, lost data and lost time, the two of which can be greatly expensive.
Top reasons why you ought to consider Office 365 Backup.
We recommend you go for Third-Party applications like EdbMails Office 365 Email Backup with AES 256-bit encryption. EdbMails you won’t have to worry about any intermittent connection issues as it reconnects automatically and progress the backup. application performs incremental backup of your Office 365 mailboxes / public folders. Let the backup job run in the background. Initial Backup will be always full backup. Incremental Backup will avoid duplicate item creation on consecutive backups. For Incremental Backup, you need to backup specific mailbox from the same computer.