Contents
Is APFS compatible with High Sierra?
For example, a USB storage device formatted as APFS can be read by a Mac using High Sierra, but not by a Mac using Sierra or earlier. Translation: Drives of any type (USB flash drives, SSDs, HDDs) formatted as APFS can be be read from and written to from a Mac using High Sierra, even if it is not formatted as APFS.
How do I convert High Sierra to APFS?
If you upgrade to macOS High Sierra with HFS but later decided to turn to APFS, then you can do the same through Recovery Mode. Restart your Mac and press-hold Command + R to boot into recovery mode. Then, go to Disk Utility << click Edit << click Convert to APFS.
How to avoid the APFS conversion on macOS High Sierra?
There are two methods to avoid the process, and we don’t recommend doing so at all, especially not if you’re a novice Mac user, but if you are determined to stop the HFS+ to APFS conversion, then use one of the options described below. Use an external drive as the target for the macOS High Sierra install.
What kind of file system does macOS High Sierra use?
One of the notable features of macOS High Sierra is the introduction of the APFS file system. APFS is a modern file system that replaces the extraordinarily aged HFS+, introduced in 1998. For reference, here’s a quick overview of the APFS features. APFS will enable lots of new technologies on your Mac.
Do you have to upgrade boot drive in High Sierra?
When the public beta of macOS High Sierra is released, you’ll likely have the option to stay with the old HFS+ or elect to upgrade your boot drive to APFS. Because Apple has had stunning success with APFS in iOS so far, you’ll probably want to upgrade your Mac to APFS, especially if your boot drive is Flash-based.
Is there a way to prevent High Sierra from automatically converting to SSD?
One method to prevent an automatic conversion when installing High Sierra is to redirect the install onto an external drive first. (Or a traditional HDD on larger desktop machines and laptops that were modified to have these drives in addition to SSDs.)