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visibility in Yahoo Mail Android

Not supported visibility is not supported in Yahoo Mail Android.

Works in 13 of 21 · not supported in 8

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

Your reader in Yahoo Mail Android sees the email without visibility, even if it looks right where you tested it.

The fix for Yahoo Mail Android

Use conditional comments or remove hidden content

after 
<!-- For screen readers, use font-size: 0 trick -->
<div style="font-size: 0; max-height: 0; overflow: hidden;
            mso-hide: all;" aria-hidden="true">
  Preheader text
</div>
Show the original
before 
<div style="visibility: hidden;">
  Hidden content for screen readers
</div>

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What Yahoo Mail Android does with visibility

@emailens/engine 0.18.22 on the original code

Yahoo Mail Android does not support "visibility". Observed 2026-11-08 (Emailens probe sheets 20-22, the Yahoo Mail Android app, our own seed inbox): An element at `visibility:hidden` stayed visible. Use `display:none` (or remove the element) to hide it.

caniemail record, tested upstream 28 Feb 2019

  • Observed 2026-11-08 (Emailens probe sheets 20-22, the Yahoo Mail Android app, our own seed inbox): An element at visibility:hidden stayed visible. Use display:none (or remove the element) to hide it.

Your next question

Every feature in Yahoo Mail Android · visibility in every client

Questions

How many email clients support visibility?
It works in 13 of 21, not supported in 8.
What do I use instead of visibility in Yahoo Mail Android?
Use conditional comments or remove hidden content.
Does visibility work in Yahoo Mail iOS?
visibility works in Yahoo Mail iOS. Closest to Yahoo Mail Android: Yahoo Mail iOS, which agrees on 284 of the 297 features both are tested on.

To see what else in your email Yahoo Mail Android does not support, paste the whole email.

The checker needs a computer screen.

Real captures 14 Oct 2026 on 11 installs · 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