animation in Outlook Classic
Not supported animation is not supported in Outlook Classic.
Works in 5 of 21 · partial in 1 · not supported in 15
Which clients
- Works
- Apple Mail, Apple Mail iOS, Samsung Mail, HEY Mail, Fastmail
- Partial
- Superhuman
- Not supported
- Gmail, Gmail Android, Gmail iOS, Outlook 365, Outlook (New), Outlook Classic, Outlook iOS, Outlook Android, Outlook for Mac, Yahoo Mail, Yahoo Mail Android, Yahoo Mail iOS, Thunderbird, Proton Mail, AOL Mail
Your reader in Outlook Classic sees the email without animation, even if it looks right where you tested it.
The fix for Outlook Classic
Replace CSS animation with an animated GIF
<!-- Use an animated GIF for the effect -->
<img src="https://example.com/badge-animated.gif"
width="60" height="24" alt="New!"
style="display: inline-block; border: 0;" />Show the original
<style>
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
.badge { animation: pulse 2s infinite; }
</style>
<span class="badge">New!</span>The checker needs a computer screen.
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What Outlook Classic does with animation
The Emailens probe for animation on 3 real installs counted as Outlook Classic, captured 14 Oct 2026. It shows the problem, not the fix. Where animation is supported it shows: green (red means unsupported).
caniemail: animation is not supported in Outlook Classic.
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@emailens/engine 0.18.22 on the original code
Outlook Classic does not support "animation".
Your next question
- Does word-break work in Outlook Classic?
Works in 4 of 21 · partial in 12 · not supported in 5
fix - Does display:flex work in Outlook Classic?
Works in 18 of 21 · partial in 2 · not supported in 1
fix - Does display:grid work in Outlook Classic?
Works in 18 of 21 · partial in 2 · not supported in 1
fix - Does border-spacing work in Outlook Classic?
Works in 17 of 21 · not supported in 2 · 2 untested
fix - Does border-radius work in Outlook Classic?
Works in 16 of 21 · partial in 4 · not supported in 1
fix - Does visibility work in Outlook Classic?
Works in 13 of 21 · not supported in 8
fix
Every feature in Outlook Classic · animation in every client
Questions
- How many email clients support animation?
- It works in 5 of 21, partial in 1, not supported in 15.
- What do I use instead of animation in Outlook Classic?
- Replace CSS animation with an animated GIF.
- Does animation work in AOL Mail?
- animation is not supported in AOL Mail. Closest to Outlook Classic: AOL Mail, which agrees on 206 of the 298 features both are tested on.
To see what else in your email Outlook Classic 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 10 installs · caniemail (MIT) via @emailens/engine 0.18.22 · tested upstream 7 Apr 2026 · data last changed 10 Nov 2026 · Outlook (New) cells are the engine's mapping