If a WD My Passport external hard drive is not recognized by Mac OS, you had better make it clear if the problem is caused by external HDD error or Mac OS crash. WD My Passport external hard drive is able to work on Mac and Windows PC for data transferring or backup. So can anybody tell me how to recover data from an unreadable external hard drive for Mac? I have some important excel files on this external, so I would appreciate it very much if anybody can recommend useful excel recovery software.'
' I have a WD My Passport external which is not recognized on Mac, but I have stored many files on this external HDD.
