Turn spell check back on after Grammarly Desktop turned it off
Grammarly for Desktops turns off the red lines that macOS puts under mispelled words. If you uninstall Grammarly, it doesn't turn that system function back on, so now if I mispell a a word in somehting like the Mail app, there is no red line. It still seems to be spell checking, it's just not marking the words.
I have spell check turned on in System Preferences>Keyboard. I have turned it on in all apps that allow you to do so, but still no red lines.
How do I turn the red lines for mispelled words back on please?
iMac Line (2012 and Later)