Automatic Backup for web apps deployed to App Service Environment V2 & V3 and function apps deployed to Azure Functions dedicated hosting plans is now generally available.
The benefits of automatic backups inlude :
- Automatic backups are made for your app regularly as long as it’s in a supported pricing tier. No additional configuration is required.
- Automatic backups support upto 30 GB backup size
- Automatic backups do not require storage account configuration
Please refer to the document available here Back up an app – Azure App Service for details.