- You have an offline copy of your email records (and calendar and contacts) on your own computer without needing internet that no one can take away or lose.
- It helps if you regularly check multiple email accounts, such as personal and work, all in one place.
- Email integrates with some applications, such as Photos apps via the built-in share menu.
- Advanced features like email filters, mailing groups, etc, that may not be available on webmail.