Your Mac, Your WD My Passport And Time Machine The Non 'For Mac' Version Of WD My Passport As Delivered Is NTFS Formatted. WD My Passport For Mac Not Working With Time Machine.If You Don't Have Your WD My Passport Drive Plugged In All The Time. When Your WD My Passport Drive Is Full, Time Machine Will Delete The Oldest Backup. Time Machine Backups Are Incremental Forever. Assuming Your WD My Passport Drive Is Connected All The Time To Your Mac. About Time Machine On The WD My Passport Drive.When Your Backup Is Finished Eject Your WD My Passport Drive. How To Use WD My Passport With Time Machine And How To Use WD My Passport For Mac With Time Machine.Tell Time Machine To Use Your WD My Passport External Hard Drive. Setting Up WD My Passport For Time Machine.Look At The Top Of The Disk Utility Screen And Click On Erase.
Select Your WD My Passport External Drive. Your Mac May At This Stage Give You A Message.
