Change the font for new mail, reply or forward, or plain text. Based on my test and research, i am afraid outlook has no native feature to set the default font for the body text of appointments and tasks. Microsoft word will now use your chosen font as the default for all blank template documents. Here is How to Get Gmail with Dark Mode Option Gmail Go to settings >view all outlook settings > compose and reply. Change the default font, color, style, and size for messages on the file tab, choose options > mail.
Use the buttons to choose the fonts and sizes that you want to use.
