Perhaps the best option is to use Outlook software with a web-based service that stores your email on the server. That could be Outlook.com or Gmail, or a work account via Exchange Server or IMAP.
These top-rated backup services make it easy to create online and local copies of important files so you can retrieve them if disaster strikes.
Cloudflare, Inc. engages in the provision of cloud-based services to secure websites. It offers various products for performance and reliability, video streaming and delivery, advanced security, ...