Select one or more languages for the spell checker to check, and choose variations for certain languages.

Instructions in this article apply to macOS 10.12 and later.

Select theLanguage & Regioncategory.

System Preferences under a Mac’s Apple Menu

Click theplus signunder thePreferred Languagessection.

Highlight a language and clickAdd.

Pay attention to language variants; Australian English is not the same as U.S. English, for example.

macOS System Preferences with the Languages & Region section highlighted

If you change the primary language, you’ll need to cycle your rig before it is recognized.

System Preferences may ask if you want to add any keyboards based on the language you just added.

Select any additional languages you want to add to the Preferred Languages section.

Languages & Region settings on Mac with the plus sign under Preferred Languages highlighted

To remove a language, highlight it and click theminus sign.

Drag and drop the languages in the Preferred languages screen to change their order.

The first one in the list is designated as your primary language.

Languages screen in macOS System Preferences with the Add button highlighted

Click theKeyboard Preferencesbutton at the bottom of the Language & Region preferences screen.

Place a checkmark in front ofCorrect spelling automatically.

SelectAutomatic by Languagefrom theSpellingdrop-down menu to allow the Mac to choose the language to use.

Confirmation of primary language in System Preferences in macOS

To specify the language the Mac should use, select it from the drop-down menu.

end the Language & Region system preferences window to save the changes.

Languages & Region in macOS System Preferences with the minus sign highlighted

Keyboard Preferences button in Language & Region section of macOS System Preferences

Keyboard preferences in macOS system settings with the Text tab highlighted

Keyboard preferences in macOS system preferences with the box next to “correct spelling automatically” highlighted

Keyboard preferences in macOS System Preferences with the Spelling pulldown menu highlighted