In Windows 8, Microsoft has introduced three new data backup and recovery features which are File History, Refresh, and Reset. File History allows you to restore deleted files or previous versions of files. Refresh lets you restore the Windows system files— similar to System Restore, and Reset is essentially a factory restore option.
To read more and discover exactly what each of these recovery features does go here – http://www.windowsnetworking.com/articles_tutorials/New-Data-Recovery-Options-Windows-8.html
How many times users forget their passwords! Authentication issues such as forgotten passwords can be easily resolved in a network environment with domain controllers. A domain administrator can perform a password reset for the user’s account from Active Directory while a local administrator can use the Users node of the Computer Management console or using the Manage Accounts option within the Users Accounts control panel. It is important to note that changing a user password will make the user lose access to all EFS-encrypted files, personal certificates and stored passwords for web sites or network resources. In order to be able to recover these files, users need to have a backed up copy of the EFS key or through the EFS recovery agent if one is configured on the computer. If passwords and certificates were backed up then restoring the Windows Vault may help you recover some items.
Password Reset Disks can be created using universal serial bus (USB) storage devices. The weakness of password reset disks is that users need to be well accustomed as to keep these disks update whenever they create new users or change their passwords. Apart from this, users need to store these disks in a locked location as anyone in possession of this disk can gain access to the user’s files.