text-shadow in Outlook for Mac
Not supported text-shadow is not supported in Outlook for Mac.
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 for Mac sees the email without text-shadow, even if it looks right where you tested it.
The fix for Outlook for Mac
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 for Mac does with text-shadow
@emailens/engine 0.18.22 on the original code
Outlook for Mac does not support "text-shadow".
Your next question
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- Does bimi work in Outlook for Mac?
Works in 9 of 21 · not supported in 11 · 1 untested
Every feature in Outlook for Mac · text-shadow in every client
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 for Mac?
- Use font-weight or border-bottom as alternatives to text-shadow.
- Does text-shadow work in Outlook (New)?
- text-shadow is not supported in Outlook (New). Closest to Outlook for Mac: Outlook (New), which agrees on 279 of the 299 features both are tested on.
To see what else in your email Outlook for Mac does not support, paste the whole email.
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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