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HTML element · data last changed 10 Nov 2026

<wbr> in email clients

Works in 16 of 21. Not supported in Gmail iOS, Outlook Classic and HEY Mail. Partial in Gmail Android. Untested in Superhuman.

Safe to leave in: where it is not supported, the email renders the same.

caniemail (MIT) via @emailens/engine 0.18.22

What to do instead in Outlook Classic

There is no drop-in fix for <wbr> in Outlook Classic. Design so the email still reads without it.

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<wbr> is not among the 24 features we have screenshotted on real installs. The ones we have →

All 21 clients, problems first

ClientSupport
Gmail iOS Not supported
Outlook Classic Not supported
HEY Mail Not supported
Gmail Android Partial See caveat 1
Superhuman Untested
Works in 16: Gmail, Outlook 365, Outlook (New) and 13 more. Show all
ClientSupport
Gmail Works
Outlook 365 Works
Outlook (New) Works
Outlook iOS Works
Outlook Android Works
Outlook for Mac Works
Apple Mail Works
Apple Mail iOS Works
Yahoo Mail Works
Yahoo Mail Android Works
Yahoo Mail iOS Works
Samsung Mail Works
Thunderbird Works
Proton Mail Works
AOL Mail Works
Fastmail Works

Caveats (1)

  1. 1. Gmail Android: Partial. Supported with non Google accounts only.

Caveats as recorded by caniemail (MIT), one entry per wording.

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caniemail (MIT) via @emailens/engine 0.18.22 · tested upstream 28 Feb 2019 · data last changed 10 Nov 2026 · Outlook (New) cells are the engine's mapping