How to change outlook 365 default font

- How to change default font size in office 365 outlook
- How to change default font in outlook 365 mac
- How to change default font in outlook 365 for all users
- How to change default font in outlook 365 online for all users
- How to change default font in outlook 365 web
- How to change default font in outlook 365 online
- How to change default font color in outlook 365