What is Mirror Image backup? Mirror Image backup is exactly what it sounds like – an identical copy of your hard drive. Mirror Image backs up your operating system and programs, as well as your files and folders – to an external hard drive that you keep onsite.
Why do I need Mirror Image backup? Carbonite backs up your irreplaceable files online, but it does not include your operating system and applications. If you would like to be able to restore your entire computer after a crash, Mirror Image backup can be used to recover your operating system and applications – as well as all of your files – putting your computer back to the way it was before the crash.