Everything you need to know to get your mail, contacts, calendars, bookmarks, notes, and reminders syncing with iCloud
iCloud includes push email, calendaring, and contact services. That means whenever you get an email, it's immediately made available on all your devices. Whenever you make or change an appointment it shows up in your calendar on all your devices. Whenever you add or change contact information, its reflected in the contacts on all of your devices. You can access these services via the Mail, Contacts, and Calendar apps on your iPhone, iPod touch, or iPad, via the iCloud.com website from any desktop browser, or through popular mail, calendar, and contacts apps on your Mac or Windows PC.