SyncToy 2.1 Update Speeds Up Windows File Syncing

Windows: Microsoft's SyncToy is a simple but effective tool for mirroring folders across hard drive locations, networks, or USB devices. With a 2.1 update, it's been retooled to run faster, back up configurations, and handle errors much better.

http://lifehacker.com/5405755/synctoy-21-update-speeds-up-windows-file-syncing