If you see an alert in iTunes for Windows that says "Support for syncing contacts and calendars has been deprecated and will be removed in a future version of iTunes," learn what to do.
You can use iCloud for Windows to automatically keep your contacts, calendars, and other information up to date across your Apple devices and Windows PC. Learn how to download and use iCloud for Windows.
You can also use a service that supports CardDAV and CalDAV to keep your contacts and calendars up to date between your Apple devices and Windows PC. Learn how to set up a contacts or calendar service that uses CardDAV or CalDAV on your iPhone.
Information about products not manufactured by Apple, or independent websites not controlled or tested by Apple, is provided without recommendation or endorsement. Apple assumes no responsibility with regard to the selection, performance, or use of third-party websites or products. Apple makes no representations regarding third-party website accuracy or reliability. Contact the vendor for additional information.