Quick answer: To change the spelling and grammar checking language in desktop Word, select the text, then choose Review → Language → Set Proofing Language and select the appropriate language. This changes proofing behavior for the selection; it does not translate the text or necessarily change the keyboard layout. Change spelling check language Select the text you want to mark as different language and do the following settings. Windows Method… Read More »How to Change Spell-Check Language in Word (Windows and Mac)