TextEdit: Disable Autocorrect Option (Mac)

By default if you make use of TextEdit app to write, it will auto-correct your text by underlying misspelled text by a red line.

If you want to turn off autocorrect, follow the below steps.

1. Open TextEdit App.
2. Now go to menu: TextEdit -> Settings (Preferences if using MacOS prior to Ventura 13)
3. Now be on the New Document tab,
4. Under Options uncheck: "Check spelling as you type" and "Check grammar with spelling"
5. If you do not want TextEdit to even correct your spelling also uncheck: "Correct spelling automatically"
6. Close Settings.