

I then right-clicked the external drive icon on Mac desktop > Get Info. If I wanted to use it with Mac OS or Time Machine backup (which is my intent), I’ll need to format the drive for my Mac. It brought me to a webpage on Seagate’s site, where it clearly indicated the drive was initially set up to work with a Windows PC. Since I wanted to use it on Mac, I clicked the blue logo with the text “Start_Here-Mac”. When I opened it, the default content was all there.

When I connected the Seagate to my Mac, the drive icon showed up like this. I bought a brand new 2TB Seagate Expansion to backup my MacBook Pro before I updated it to the latest macOS. Most External Hard Drives Are Initiated with NTFSĭuring the last several years, I’ve used a few external drives, including a 500GB WD My Passport, 32GB Lexar flash drive, and a few others. How to Partition an External Hard Drive on Mac.How to Format an External Drive for Mac.Most External Hard Drives Are Initiated with NTFS.Another option, for those who use both Windows and Mac OS regularly, is to partition your hard drive and have a portion of the drive formatted for each OS. There are tools available to use NTFS on a Mac (Fuse) or HFS on PC (HFSExplorer). Windows will not detect this file system without a third party utility. Only use this option if the drive will only be used in Mac OS.

