word-wrap

The word-wrap CSS property (now standardized as overflow-wrap) controls whether the browser should break words to prevent them from overflowing their container. When set to break-word, it forces otherwise unbreakable strings to wrap onto the next line to avoid layout issues.

Estimated Support About

50.0% + 20.0% = 70.0%

Apple Mail

macOS

16

iOS

16

Gmail

Desktop Webmail

2025-05
1

Android

2025-05
1

Outlook

Windows

2016
2
2019
2
2021
2

Windows Mail

2025-05

Outlook.com

2022-05
3

iOS

2025-05
3

Android

2025-05

Yahoo! Mail

Desktop Webmail

2025-05

AOL

Desktop Webmail

2026-06

iOS

2026-06

Android

2026-06

Samsung Email

Android

2026-06

Mozilla Thunderbird

macOS

2026-06

Windows

2026-06

ProtonMail

Desktop Webmail

2026-06

iOS

2026-06

Android

2026-06

Fastmail

Desktop Webmail

2026-06

HEY

Desktop Webmail

2026-06

Orange

Desktop Webmail

2026-06

iOS

2026-06

Android

2026-06

LaPoste.net

Desktop Webmail

2026-06

SFR

Desktop Webmail

2026-06

iOS

2026-06

Android

2026-06

GMX

Desktop Webmail

2026-06

iOS

2026-06

Android

2026-06

1&1

Desktop Webmail

2026-06

Android

2026-06

Mail.ru

Desktop Webmail

2026-06

WEB.DE

Desktop Webmail

2026-06

iOS

2026-06

Android

2026-06

WP.pl

Desktop Webmail

2026-06

Notes

  • 1

    Applies word-wrap: break-word to all items.

  • 2

    Does not honor any wrapping, including word-wrap, overflow-wrap, and word-break. Using an equivalent MSO breakdown (-ms-word-break: break-all and mso-hyphenate: none together) does not work.

  • 3

    Supports both word-wrap and equivalent MSO breakdown (-ms-word-break: break-all and mso-hyphenate: none together)

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.

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Test it yourself

This feature was last tested on May 08, 2025.

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