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Outlook: bigger reading-pane text

Enlarges the message-body font in the reading pane and loosens line height for more comfort.

Code to copy

/* Enlarge the text inside the reading pane email body */
div[aria-label="Message body"],
div[aria-label="Treść wiadomości"] {
  font-size: 17px !important;
  line-height: 1.6 !important;
}

How to use this example

1. Copy the code with the button above.
2. Install JustZix (2 minutes) and open the extension on the target page.
3. Add a new rule matching that page.
4. Paste the code into the rule's CSS panel and save — the effect appears instantly.