All applications and documents on your Macintosh computer have something called icon. An icon is the picture that you see next to the filename of the file. For example, the picture above is a picture of the icon for the Apple messages application. Normally you won’t want to go messing around with icons but sometimes there may be an occasion where you want to change an icon. For example Apple have a generic ‘folder’ icon for every new folder that you create, but you may want to give the folder your own icon to make it more visually recognisable.
Read on for how to do this.