well if ure online den just copy it to yr "cloud" saving option if u dont den u'll have 2 option 1 is to copy it to an save device like an USB, xbox 360 Memory or an extra HDD the 2nd opition is ot use an mod tool and copy it to yr PC HDD.
Thanks guy i just found out how to do it because its hidden on my usb but i found it in horizon close this thread please
You can copy it at the dashboard and it should give you the option to either transfer it or copy it; or you can copy it on your pc by right clicking it.