When receiving a photo, website, or document from another device, you’ll receive a notification at the top right of your Mac’s screen. To open the content, simply click on the notification.
Tip: You can access any items recently sent to your Mac by clicking on the DeskConnect icon at the top of your screen and moving your mouse to the "Recent" item.
If you would prefer to have items open as soon as they are received by your Mac, without showing a notification, select the “Open Received Items Right Away” option under Preferences. (This is the default behavior on versions of OS X prior to 10.8, which do not support Notification Center.)