Online Backup Utility Mozy is an online backsite that offers 2GB of free backup space. For pricing above that see http://mozy.com/home/pricing/ . Additional features include: Incremental backups Open and locked file support In-Windows Explorer restore Support for files greater than 3 GB Automatic Microsoft Outlook file detection and backup Mac OS X support Encrypted file transfer Encrypted files on the server Private encryption key option Unlimited Backup You may want to check with someone in IT policy if you are backing up sensitive (e.g. FERPA ) information on a third party server. ^^ BackBlaze is another online backup service that provides unlimited storage for a monthly/yearly/biyearly fee. It backs up almost all files (with a few exceptions like system files, application files and time machine files — see its website for details) on your local drives as well as external drives (but not network drives).