overflow in Apple Mail iOS
Partial overflow is partly supported in Apple Mail iOS.
overflow-block & overflow-inline not supported.
Works in 4 of 21 · partial in 16 · not supported in 1
Which clients
- Works
- Thunderbird, HEY Mail, Fastmail, Superhuman
- Partial
- Gmail, Gmail Android, Gmail iOS, Outlook 365, Outlook (New), Outlook iOS, Outlook Android, Outlook for Mac, Apple Mail, Apple Mail iOS, Yahoo Mail, Yahoo Mail Android, Yahoo Mail iOS, Samsung Mail, Proton Mail, AOL Mail
- Not supported
- Outlook Classic
Your reader in Apple Mail iOS may not see overflow the way you wrote it, even if it looks right where you tested it.
What to do instead in Apple Mail iOS
Content will always be visible; design for full content display
<!-- Show full content, or truncate server-side -->
<div style="max-height: 200px;">
Shortened content that fits...
<a href="https://example.com/full">Read more</a>
</div>Show the original
<div style="max-height: 200px; overflow: hidden;">
Long content that gets clipped...
</div>A free account opens all 21 clients and keeps your checks for 7 days. Create a free account →
What Apple Mail iOS does with overflow
The Emailens probe for overflow on a real install counted as Apple Mail iOS, captured 14 Oct 2026. It shows the problem, not the fix. Where overflow is supported it shows: only one line shows.
caniemail: overflow is partly supported in Apple Mail iOS.
Partial. overflow-block & overflow-inline not supported.
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caniemail record, tested upstream 27 May 2025
- Partial.
overflow-block&overflow-inlinenot supported.
Your next question
- Does inline-size work in Apple Mail iOS?
Works in 4 of 21 · not supported in 16 · 1 untested
- Does cursor work in Apple Mail iOS?
Works in 2 of 21 · partial in 4 · not supported in 10 · 5 untested
- Does hyphenate-limit-chars work in Apple Mail iOS?
Works in 1 of 21 · not supported in 17 · 3 untested
- Does resize work in Apple Mail iOS?
Works in 1 of 21 · partial in 1 · not supported in 16 · 3 untested
- Does text-justify work in Apple Mail iOS?
Works in 0 of 21 · partial in 4 · not supported in 13 · 4 untested
- Does :focus work in Apple Mail iOS?
Works in 10 of 21 · partial in 3 · not supported in 7 · 1 untested
Questions
- How many email clients support overflow?
- It works in 4 of 21, partial in 16, not supported in Outlook Classic.
- What do I use instead of overflow in Apple Mail iOS?
- Content will always be visible; design for full content display.
- Does overflow work in Apple Mail?
- overflow is partly supported in Apple Mail. Closest to Apple Mail iOS: Apple Mail, which agrees on 284 of the 298 features both are tested on.
To see what else in your email Apple Mail iOS does not support, paste the whole email.
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Real captures 14 Oct 2026 on 10 installs · caniemail (MIT) via @emailens/engine 0.18.22 · tested upstream 27 May 2025 · data last changed 10 Nov 2026 · Outlook (New) cells are the engine's mapping