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word-break in Gmail iOS

Partial word-break is partly supported in Gmail iOS.

Buggy.

Works in 4 of 21 · partial in 12 · not supported in 5

Which clients
Works
Gmail, Thunderbird, Fastmail, Superhuman
Partial
Gmail Android, Gmail iOS, Outlook 365, Outlook (New), Outlook iOS, Outlook Android, Outlook for Mac, Apple Mail, Apple Mail iOS, Samsung Mail, HEY Mail, Proton Mail
Not supported
Outlook Classic, Yahoo Mail, Yahoo Mail Android, Yahoo Mail iOS, AOL Mail

Your reader in Gmail iOS may not see word-break the way you wrote it, even if it looks right where you tested it.

What to do instead in Gmail iOS

Outlook Windows does not wrap a URL on word-break, word-wrap, or overflow-wrap. Insert ​ in a cell that has a width

instead 
<table role="presentation" width="100%" cellpadding="0"
  cellspacing="0" border="0">
  <tr>
    <td width="100%">
      https://example.com/&#8203;very/&#8203;long/&#8203;url?token=&#8203;abc123def456
    </td>
  </tr>
</table>
Show the original
before 
<span style="word-break: break-all;">
  https://example.com/very/long/url?token=abc123def456
</span>

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What Gmail iOS does with word-break

caniemail record, tested upstream 15 Feb 2022

  • Buggy. Supported but a word-wrap:break-word is applied, making it look like break-all.

Your next question

Every feature in Gmail iOS · word-break in every client

Questions

How many email clients support word-break?
It works in 4 of 21, partial in 12, not supported in 5.
What do I use instead of word-break in Gmail iOS?
Outlook Windows does not wrap a URL on word-break, word-wrap, or overflow-wrap. Insert &#8203; in a cell that has a width.
Does word-break work in Gmail Android?
word-break is partly supported in Gmail Android. Closest to Gmail iOS: Gmail Android, which agrees on 273 of the 300 features both are tested on.

To see what else in your email Gmail iOS does not support, paste the whole email.

The checker needs a computer screen.

Real captures 14 Oct 2026 on 10 installs · caniemail (MIT) via @emailens/engine 0.18.22 · tested upstream 15 Feb 2022 · data last changed 10 Nov 2026 · Outlook (New) cells are the engine's mapping · the Gmail capture is not counted (it skips Gmail's sanitiser)