Windows 8 Apps Data Backup Tool
As the name sounds, Windows 8 Apps Data Backup tool will let you to backup all the data of apps you have downloaded and installed on Windows 8 as well as ability to restore them in case you format or refresh your Windows 8 Installation.
Windows 8 Apps Data Backup doesn’t require installation, download and run the executable. At the start you will prompted to close all the running metro apps. Click on OK you will be presented with options to Backup or Restore.