Change font size in Outlook on the web

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 more Settings and more > Zoom.

    A screenshot of the Settings and more menu in Microsoft Edge

Choose font size when composing email

Choose your version for instructions

The instructions are slightly different depending on whether you're using the new Outlook on the web. Choose which version of Outlook on the web you're using to see the steps that apply to you.

IF YOUR MAILBOX LOOKS LIKE...

IF YOUR MAILBOX LOOKS LIKE...

Outlook on the Web Beta

See Instructions for the new Outlook on the web.

Outlook on the web

See Instructions for classic Outlook on the web.

Note: If your organization has included its logo in the toolbar, you might see something slightly different than shown above.

Instructions for the new Outlook on the web

  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 .

Instructions for classic Outlook on the web

  1. At the bottom of the compose pane, select Font size The Font size icon .

    A screenshot of the Font size button

  2. If you don't see the formatting options menu at the bottom of the compose pane, select Formatting options The Formatting options icon .

    A screenshot of the Formatting options button

See Also

Change how email is displayed in Outlook on the web

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