Back up files off WDshare

WD Legacy Products Other Network Drives
1

I use symantec for network backup. have system backing up to the WDshare drives… how do you all backup files off of it?

2

You can connect an external hard drive to the front USB port to backup your files. 

http://www.wdc.com/wdproducts/library/UM/ENG/4779-705006.pdf#page=15