If you have an SD or micro SD card you want to reformat with your Mac, it’s a pretty easy process. Read on to learn how. In macOS Monterey you can now use Disk Utility to manage your APFS snapshots.

I have a 20 GB disk with ~8GB used for an HFS+ partition and the rest is unallocated. I'd like to add a second partition in that space and was wondering if I can just do that with OS X's disk utility.