EMac G4 1GHz, Mac OS X (10.5.6), 1GHz, 1Gb, 2 x 750Gb, External SuperDrive Posted on Nov 8, 2009 4:11 PM. Reply I have this. Question: Q: BitLocker and Mac OSX. You can use or access BitLocker encrypted drive with or without data loss on Mac OS X, macOS. Use BitLocker drive with BitLocker Genius for Mac; Use BitLocker drive with Disk Utility on Mac; Option 1: Use BitLocker drive on Mac with BitL..