WD Drive Utilities(Mac 系统适用) WD Security(Mac 系统适用). Improve PC Performance When your internal hard drive is almost full your PC slows down. The compact design offers up to 14TB capacity, making WD Elements desktop storage the ideal solution for easy, add-on storage of all your important photos, music, videos and files. So, if it is an already used drive, you have to back up all the files on the drive. When you format WD Elements, all the data on it will be deleted. Using this software, you can conveniently format the WD Elements drive. Your Mac contains a software known as Disk Utility.