Outlook - Disable Immersive Reader
Disabling Immersive Reader in Outlook will restore the font to its default state and remove the distraction of the specialized reading layout. This article provides steps to turn off Immersive Reader and adjust font settings if needed.
Instructions
Open Outlook and go to the View tab.
In the View tab, locate the Immersive Reader section.
Click Immersive Reader to enable or Close Immersive Reader to disable it.