You can change the default font and its color size and style such as bold or italic.
What is the default plain text font in outlook. Go to Outlook Preferences Fonts. Under Message format set Compose messages in to HTML format. Now under New mail messages Replying or forwarding messages and Composing and reading plain text messages click on the Font.
Select the options that you want to apply to the default font such as font style and font size. You can change fonts if you use HTML format to compose new messages. Select OK all the way back out to save your changes.
For Outlook for Microsoft 365 Outlook 2019 and Outlook 2016. Its used when you compose new email messages. Select the options that you want to apply to the default font such as font style and font size.
Change Default Font Outlook 2016. If you find the font settings when composing a new. Change the font for New mail Reply or forward or Plain text.
However I reverted to the default a predicament with my Windows 7 Theme. You can set up different font and text color for new emails and replyfo. The default font settings for new emails replies and forwards can be found in.
Change the text size using the slider. This began around 2007 since well 2007 or so. Set the font and size you want for the default.