How to Display Messages in a Larger Font in Mac OS X Mail

Are you the kind of person who needs to see the words of an email in a larger size for easier reading? Fortunately, Apple's Mac OS X Mail offers a nice way of displaying a message in a bigger font.

To read an email in a larger font in Mac OS X Mail:

1. Open the message in the preview pane
2. Press and hold Command and +
   1. Alternatively, you can select Format > Style > Bigger (Format > Font > Bigger in Mac OS X Mail 1.x) from the menu

To go back to a smaller font in OS X Mail:

1. Press and hold Command and -

To see everything—including images, interface fonts and toolbars—enlarged in Mac OS X Mail:

• Press and hold the Command then Option then 8 keys to turn on OS X zoom
• Press and hold Command then Option then + to zoom in
  • If OS X does not zoom, press Command Option 8 again to make sure the universal access feature is enabled
  • To zoom out, press and hold Command then Option then -
  • To return to the original display, press Command Option 8

(Tested March 2016, with OS X Mail 9)