If you are using more than one Mac, or have replaced your Mac with a new one, there are several ways you can migrate your account to the new system.
Conventionally, when you get a new system you are presented with the OS X Setup Assistant, which will guide you through migrating your data from an existing system or a backup.
In addition to Setup Assistant, you can use Apple's Migration Assistant tool at any time to transfer data from one Mac to another. This tool is especially useful for establishing your current user account on another system. Simply … Read more