Unfortunately it does not work like that. The only way to do it is to create an image of your hard drive on to the external drive. You will need imaging software
I myself use Acronis.
Qualcomm Snapdragon 835 benchmarks: Antutu, Geekbench 4, GFXBench and PCMark results
1995-2015: How technology has changed the world in 20 years
This stop-frame animation tells a moving story of domestic violence for Refuge
New iPad 2017 preview: Apple's affordable but underspecced new iPad may appeal to the education…
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.