Change the default font or text color for email messages in Outlook . . . In Outlook, the default font is Calibri in black It's used when you compose new email messages You can change the default font and its color, size, and style — such as bold or italic Outlook allows you to change the font, color, size, and style for new messages and replies and forwards independently
Change the size or formatting of text - Microsoft Support Change the text size Apply a predefined font theme Create a custom font theme Change the text size Select the text that you want to change, and then on the ribbon, do one of the following: Specify a font size on the Message tab in the Basic Text group Specify a font size on the Format Text tab in the Font group Press Ctrl+Shift+> or Ctrl+Shift+<
Change font size in Outlook on the web - Microsoft Support Choose font size when composing email Create a new message, or reply to a message At the bottom of the compose pane, select Font size Select the font size you want to use If you don't see the formatting options menu at the bottom of the compose pane, select Show formatting options Change how email is displayed in Outlook on the web
Change the size of text in Windows - Microsoft Support Here's how to change the size of text, images, and apps in Windows To change your display in Windows, select Start > Settings > Accessibility > Text size To make only the text on your screen larger, adjust the slider next to Text size
Create, change, or customize a view in Outlook - Microsoft Support Change the font size in the message list Change the font size in the Reading Pane Change the font size when composing a message Delete a custom view Apply the current view to multiple folders Remove the dark background On the ribbon select File, and then select Office Account Under Office Theme, select Dark Gray, White, Colorful, or Use system
Customize your email message in Outlook on the web Change the font of your email message You can give your email message some flair by changing the text font, size, color, and style Select Show formatting options next to Send at the bottom of the email message box The formatting ribbon appears Select Font and choose the font you prefer to write in
Use a screen reader to format text in Outlook for Mac email For general help, visit Microsoft Support Use Outlook for Mac with your keyboard and VoiceOver, the built-in macOS screen reader, to add or edit text in your email message You'll learn how to change the font and font size or the text display size and apply other formatting options, such as bold, italic, and underline