problem with external WD drive

[DeluzioNFX]

So the enclosure of my external 2TB WD mybookelite was broken, and i was unable to access my files due to the WD encryption, so i took the enclosure of my 1TB wd mybookelite which is the exact same and put it on the 2TB drive, the drive detected and a window popped up for Smartware and it asked me to unlock . However the drive wasnt showing in my computer and when i tried to access it through smartware it wouldnt show up, but it shows up in computer management. as unallocated space, I was able to unlock the drive and remove the encryption. then when i put the HD in directly to my PC the drive shows up as unallocated
space and says i need to reformat now.. Why is this? I tried running file recovery software and it says this system does not use NTFS. but when i check in properties it says NTFS

Please help.. the files on here are important and need to recover them asap

any help would be greatly appreciated. thanks alot

 

[DeluzioNFX]

please any one at all? leaving in 2 days and really wanted to fix this