Outlook: Change my Default Font and Color for Replies
To change the default font and color for replies in Outlook for Windows:
- From the File menu, select Options, and then Mail.
- In the "Compose Messages" area, on the right, select Stationery and Fonts.
- Under the "Replying and forwarding messages" section, click Font... .
- Select the options you want, and then click OK twice.