Western Digital Blue WD3200 issue

Hello and welcome, 

Sorry to hear that you cannot access your files, if the hard drive is still recognized, you have the option of scanning it with a data recovery program, using Google you should be able to find several options. Also see if the following link helps. 

http://community.wd.com/t5/WD-Portable-Drives/WD-Password-1TB-requests-formatting-only-when-i-try-to-access/m-p/545038/highlight/true#M13907