WD My Passport WDBBEP0010BBK-01 Cant Access Files

Check if the passport is recognized on the disk management window, if it is, you can use a data recovery program like recuva or testdisk. Check the link below for the steps. 

http://wdc.custhelp.com/app/answers/detail/a_id/940/session/L3RpbWUvMTM1NjM5MDAyNC9zaWQvdzc0enZBZWw%3D