How many email clients support ?

It works in 3 of 21, partial in 2, not supported in 16.

Does work in Apple Mail?

works in Apple Mail. Closest to Apple Mail iOS: Apple Mail, which agrees on 284 of the 298 features both are tested on.

<video> in Apple Mail iOS

Partial <video> is partly supported in Apple Mail iOS.

Partial support.

Works in 3 of 21 · partial in 2 · not supported in 16

Which clients

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

Your reader in Apple Mail iOS may not see <video> the way you wrote it, even if it looks right where you tested it.

What to do instead in Apple Mail iOS

Replace video with animated GIF or linked thumbnail

instead

5 lines

<a href="https://example.com/watch" target="_blank">
  <img src="https://example.com/video-thumb.gif"
    width="600" alt="Watch the video"
    style="display: block; border: 0; max-width: 100%;" />
</a>

Show the original

before

3 lines

<video width="600" autoplay muted>
  <source src="demo.mp4" type="video/mp4">
</video>

A free account opens all 21 clients and keeps your checks for 7 days. Create a free account →

What Apple Mail iOS does with <video>

caniemail record, tested upstream 16 Sep 2019

Partial support. Requires the controls attribute to play.
Partial support. autoplay is not supported.

Your next question

Every feature in Apple Mail iOS · <video> in every client

Questions

How many email clients support <video>?: It works in 3 of 21, partial in 2, not supported in 16.
What do I use instead of <video> in Apple Mail iOS?: Replace video with animated GIF or linked thumbnail.
Does <video> work in Apple Mail?: <video> works in Apple Mail. Closest to Apple Mail iOS: Apple Mail, which agrees on 284 of the 298 features both are tested on.

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

Check your email, free

No signup · Five clients free, Outlook Classic included · All 21 with an account

The checker needs a computer screen.

caniemail (MIT) via @emailens/engine 0.18.22 · tested upstream 16 Sep 2019 · data last changed 10 Nov 2026 · Outlook (New) cells are the engine's mapping