What is AppleSpell and Why is it Running on my Mac?

You noticed something called AppleSpell while scrolling through Activity Monitor. Is someone casting an enchantment or curse? No: this is the macOS spell checking tool.

This article is part of our ongoing series explaining various processes found in Activity Monitor, like kernel_task, hidd, mdsworker, installd, WindowServer, blued, launchd, backup, opendirectoryd, and many others. Don’t know what those services are? Better start reading!