text-shadow in Outlook iOS
Not supported text-shadow is not supported in Outlook iOS.
Works in 12 of 21 · not supported in 9
Which clients
- Works
- Outlook 365, Outlook Android, Apple Mail, Apple Mail iOS, Yahoo Mail iOS, Samsung Mail, Thunderbird, HEY Mail, Proton Mail, AOL Mail, Fastmail, Superhuman
- Not supported
- Gmail, Gmail Android, Gmail iOS, Outlook (New), Outlook Classic, Outlook iOS, Outlook for Mac, Yahoo Mail, Yahoo Mail Android
Your reader in Outlook iOS sees the email without text-shadow, even if it looks right where you tested it.
The fix for Outlook iOS
Use font-weight or border-bottom as alternatives to text-shadow
.glow {
/* text-shadow is not supported in Gmail, Outlook, Yahoo.
Use font-weight or letter-spacing for emphasis instead. */
font-weight: bold;
letter-spacing: 0.5px;
}Show the original
.glow {
text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}The checker needs a computer screen.
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What Outlook iOS does with text-shadow
@emailens/engine 0.18.22 on the original code
Outlook iOS does not support "text-shadow".
Your next question
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Questions
- How many email clients support text-shadow?
- It works in 12 of 21, not supported in 9.
- What do I use instead of text-shadow in Outlook iOS?
- Use font-weight or border-bottom as alternatives to text-shadow.
- Does text-shadow work in Outlook Android?
- text-shadow works in Outlook Android. Closest to Outlook iOS: Outlook Android, which agrees on 270 of the 296 features both are tested on.
To see what else in your email Outlook iOS does not support, paste the whole email.
No signup · Five clients free, Outlook Classic included · All 21 with an account
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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