How to Integrate HTML Into Your Yahoo Mail Signature

Make your signature stand out with HTML in Yahoo Mail

HTML
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by Heinz Tschabitscher
An independent writer who has reviewed hundreds of email programs and services since 1997.
Updated May 27, 2019

You don't need to know any HTML to add custom formatting to your Yahoo Mail signature. In fact, Yahoo Mail lets you integrate HTML into your signature to add links, adjust the font size, and more with just a few mouse clicks.

Instructions in this article apply to the standard web version of Yahoo Mail. Yahoo Mail Basic and the Yahoo Mail mobile app do not support HTML.

How to Use HTML In Your Yahoo Mail Signature

To add HTML formatting to your email signature in Yahoo Mail:

  1. Select the gear in the upper-right corner of the window and choose Settings from the drop-down menu.

    Select the gear in the upper-right corner of the window and choose Settings from the drop-down menu.

  2. Select Accounts on the left side.

    Select Accounts on the left side.

  3. Select your Yahoo email address.

    Select your Yahoo email address.

  4. Make sure Append a signature to the emails you send is selected in the Signature section.

    Make sure Append a signature to the emails you send is selected in the Signature section.

  5. Format the signature using the HTML toolbar. Your options include:

    • Change the style and size of the font.
    • Make text bold.
    • Italicize text.
    • Change text color or adding highlighting.
    • Make a list of bulleted items.
    • Make an ordered list with numbers.
    • Change text alignment.
    • Insert a hyperlink into your signature.

  6. Select Save when you're finished. Your stylized signature will now automatically appear at the end of emails you send.