#Do i format hard drive mac os journaeld for mac#
#Format external hard drive mac journaled for mac Most modern Mac computers, from your basic MacBook and MacBook Pro to your iMac, iMac Pro, and Mac Mini’s, all have SSDs in them now. One of the great things that APFS does that you will really notice is that it essentially shares data from one file to another. That means if I have a large video file and I duplicate it on my computer, the duplicate doesn’t take up more storage on my computer. For those of us on laptops with smaller SSDs, this is a huge benefit to using APFS.Īnother great thing about APFS is that it will duplicate your files, even the very large ones, instantaneously. Unlike other formats, which require you to wait to basically copy the file a second time, APFS just magically duplicates it right in front of you in a split second. While this all sounds great, remember that APFS was designed for your internal solid-state computer hard drive and your iOS device. It is not an ideal choice for your external hard drive, which for many users will be a regular spinning hard drive and not an expensive large solid-state volume. You may be familiar with this option as it is the default option that appears when you go to format a hard drive on your Mac. You may have commonly heard this referred to as HFS+ or Hierarchical File System, though the MacOS Extended (Journaled) option is actually an improved version of HFS+. It’s a great format when working with your external hard drives on your Mac, and will work great with every other Mac user out there.
The “journaled” part of the format simply refers to a method of storing media on the drive that prevents files from being corrupted in case you accidentally unplug the drive while it’s turned on, or you lose power to the drive while it’s in use.
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