The whole outcome changes when you’re doing versioned backups. If your sole purpose is to archive the data, you don’t need APFS.
Do you have a preference for certain backup apps or use Time Machine?. Are you using External Hard Drive or SSD?. Do you want to use the external drive to share with a Windows PC or Linux?. Do you want to use the external drive for data archival or backups? And do you want to use the same drive on other Macs, then note the macOS version and model. Here are some of the best apps that read-write APFS on Windows.īut before you convert from HFS+ to APFS, consider the following factors: You can only access drives formatted with APFS on Windows through third-party apps. If you connect that disk to Catalina, Time Machine won’t recognize it. Time Machine volumes formatted as APFS will only work with Macs running Big Sur or later. It’s fast, consumes less space, which means more room for backups, has greater resistance to data corruption, and copies cloned or sparse files efficiently. Time Machine backups to APFS are impressive when compared to HFS+. However, you won’t be asked for this option for the already formatted HFS+ disk. Apple lets you format an external drive and choose APFS for Time Machine on macOS Big Sur. An external SSD gives you the best performance over APFS, provided you don’t need to use the drive with other pre-Sierra Macs. If speed and convenience are your top priorities and cost is not an issue. You can also manage free space on the drives efficiently copy-on-write metadata scheme to improve performance, thereby reducing chances of data corruption and increasing focus on encryption. It makes common operations such as copying files and folders instantaneous. The current Apple File System documentation highlights many improvements over HFS+. As of macOS Mojave, fusion drives and HDDs were also upgraded to APFS. In High Sierra, SSD boot drives were converted to APFS upon installation. 
The experimental support of APFS was first seen in macOS Sierra.
Apple File System (APFS)ĪPFS is Apple’s modern file system, first launched in early 2017 for iOS devices. Let’s take a detailed look at each of them, what they’re used for, and which you should pick for your external drive. Disk Utility allows you to choose from a variety of file system formats.
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