:default

Selects form elements that are the default in a group of related elements.

Estimated Support About

32.56% + 2.33% = 34.89%

Apple Mail

macOS

12
26

iOS

11
26

Gmail

Desktop Webmail

2026-02

iOS

2026-02

Android

2026-02

Mobile Webmail

2026-02

Outlook

Windows

2007
2010
2013
2016
2019
2024

Windows Mail

2026-02

macOS

16.105.2

Outlook.com

2026-02
1

iOS

2026-02

Android

2026-02

Yahoo! Mail

Desktop Webmail

2026-02

iOS

2026-02

Android

2026-02

AOL

Desktop Webmail

2026-02

iOS

2026-02

Android

2026-02

Samsung Email

Android

6.0

Mozilla Thunderbird

macOS

147.0.1

ProtonMail

Desktop Webmail

2026-02

iOS

2026-02

Android

2026-02

Fastmail

Desktop Webmail

2026-02

HEY

Desktop Webmail

2026-02

Orange

Desktop Webmail

2026-02

iOS

2026-02

Android

2026-02

LaPoste.net

Desktop Webmail

2026-02

SFR

Desktop Webmail

2026-02

iOS

2026-02

Android

2026-02

GMX

Desktop Webmail

2026-02

iOS

2026-02

Android

2026-02

1&1

Desktop Webmail

2026-02

Android

2026-02

Mail.ru

Desktop Webmail

2026-02

WEB.DE

Desktop Webmail

2026-02

iOS

2026-02

Android

2026-02

WP.pl

Desktop Webmail

2026-05

Free.fr

Desktop Webmail

2026-02

T-online.de

Desktop Webmail

2026-02

Notes

Depends on device/browser support. Some devices/browsers do not support styling on <option>.

  • 1

    Works on input[radio] and input[checkbox] only.

Resources

Sponsor

Resend

Sponsored by Resend. Email for developers. The best way to reach humans instead of spam folders. Deliver transactional and marketing emails at scale.

Know something we don't?

Is any of the above data outdated? Or do you want to add a new email client to the list? Heads on to GitHub and edit the data file!

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Test it yourself

This feature was last tested on February 05, 2026.

If you want to test this feature in the same conditions as we did, you can get our test code and run a test by yourself. Make sure to follow our testing recommendations first.

View the test code