How to Change the Spellchecking Language in Outlook Online Share April 10, 2021 Dm4r Technology Are you sending an email in a second language but not sure if you spelled a word correctly? Microsoft Outlook Online has a quick and easy way to change the spellchecking language to help you out. Read This Article on How-To Geek › Source : How to Change the Spellchecking Language in Outlook Online