Microsoft technically backs up some Microsoft 365 data through retention policies, but this is limited and doesn’t cover everything. You’re ultimately responsible for your data security as a business, so you need more than just Microsoft’s backup. Implementing third-party backups for complete protection is essential.

To back up your Microsoft 365 data, you can use built-in features like Microsoft 365 backup retention policies or opt for third-party solutions for added control and flexibility. Ensure a comprehensive backup strategy to protect against data loss, including emails, documents, etc.