Mail overview
You can send, receive, and organize email by using the Mail app on iCloud.com from a Mac or Windows web browser. New mail you send and changes you make to your inbox and folders are automatically pushed to devices you set up for iCloud Mail. On your iOS devices and Mac computers, changes are pushed to the Mail app, and on your Windows computer, changes are pushed to Microsoft Outlook. No matter which device you use to send, receive, or organize email, the changes are updated everywhere, so you never have to connect your iOS device to your computer to keep your inbox and mail folders current.