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text-shadow in Outlook Android

Works text-shadow works in Outlook Android.

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

The fix for the clients that need it

Needed in 9 of 21: Gmail, Gmail Android, Gmail iOS and 6 more.

Use font-weight or border-bottom as alternatives to text-shadow

instead
.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
before
.glow {
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

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What Outlook Android does with text-shadow

caniemail record, tested upstream 28 Feb 2019

  • Observed 2026-11-08 (Emailens probe sheets 20-22, the Outlook Android app, our own seed inbox): A green text-shadow drew behind the text.

Your next question

Every feature in Outlook Android · text-shadow in every client

Questions

How many email clients support text-shadow?
It works in 12 of 21, not supported in 9.
Does text-shadow work in Outlook iOS?
text-shadow is not supported in Outlook iOS. Closest to Outlook Android: Outlook iOS, which agrees on 270 of the 296 features both are tested on.

To see what in your email Outlook 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