Making copies of important data in case the original gets lost or damaged. Like keeping photocopies of important documents.
Automatically backing up your phone photos to the cloud prevents losing them if your phone breaks.
All providers offer managed backup services to schedule, retain, and restore data. AWS Backup and Azure Backup are centralized services for multiple resource types. Google Cloud's Backup and DR Service provides policy-based backups and recovery for supported workloads. OCI provides backups through services tied to specific storage and database products (for example, Block Volume and Database backups) rather than one single universal backup console for everything.