Adjust Email Font Size
1. From the Outlook menu, select View -> View settings.

2. Select Mail -> Layout.

3. Under Text size and spacing, choose your desired text size (Small, Medium, or Large).

4. Click Save in the bottom right hand corner to apply the changes.

Enlarge an Email in the Reading Pane
To enlarge the contents of an email so that it is easier to read, follow the steps below:
1. Click on the email that you would like to enlarge, and select View.

2. Click Zoom. Use the + or - to adjust your desired font size between 50% - 400%.
