You can change the size of your font when composing email messages in Outlook on the web. To change the size of your font when reading email, use your browser's zoom function.

Change font size when reading email

When reading email, you can use your browser's zoom function to make the text on your screen larger or smaller.

Note: Some languages support an Immersive Reader to make it even easier to read email. Features include having the email read to you and improving text readability. Learn more about using the Immersive Reader.

Internet Explorer

  • Select Tools > Zoom.

    A screenshot of the Tools menu in Internet Explorer

Microsoft Edge

  • Select Settings and moreSettings and more > Zoom.

    A screenshot of the Settings and more menu in Microsoft Edge

Choose font size when composing email

  1. Create a new message, or reply to a message.

  2. At the bottom of the compose pane, select Font size Font size.

    Screenshot of Font size option on formatting toolbar.

  3. Select the font size you want to use.

If you don't see the formatting options menu at the bottom of the compose pane, select Show formatting options Show formatting options.

Change how email is displayed in Outlook on the web

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