How many email clients support display:grid?

It works in 18 of 21, partial in 2, not supported in Outlook Classic.

Does display:grid work in Apple Mail iOS?

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

display:grid in Apple Mail

Works display:grid works in Apple Mail.

Works in 18 of 21 · partial in 2 · not supported in 1

Which clients

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

The fix for the clients that need it

Needed in 3 of 21: Outlook Classic, Gmail Android and Gmail iOS.

Replace CSS Grid with table layout for email compatibility

instead

11 lines

<table role="presentation" width="100%" cellpadding="0"
  cellspacing="0" border="0">
  <tr>
    <td width="50%" style="padding: 8px;" valign="top">
      Item 1
    </td>
    <td width="50%" style="padding: 8px;" valign="top">
      Item 2
    </td>
  </tr>
</table>

Show the original

before

5 lines

<div style="display: grid;
            grid-template-columns: 1fr 1fr; gap: 16px;">
  <div>Item 1</div>
  <div>Item 2</div>
</div>

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What Apple Mail does with display:grid

The Emailens probe for display:grid on a real install counted as Apple Mail, captured 14 Oct 2026. It shows the probe, not the fix. Where display:grid is supported it shows: three boxes in a row.

The Emailens probe for display:grid on a real Apple Mail (macOS) — Apple Mail

The same probe in the Emailens live preview of Apple Mail — Apple Mail

Every account includes one free real-device check in classic Outlook, Outlook for Mac and Apple Mail, after you verify your email and run one preview, while this month's free capacity lasts. How real-device checks work →

Your next question

Every feature in Apple Mail · display:grid in every client

Questions

How many email clients support display:grid?: It works in 18 of 21, partial in 2, not supported in Outlook Classic.
Does display:grid work in Apple Mail iOS?: display:grid works in Apple Mail iOS. Closest to Apple Mail: Apple Mail iOS, which agrees on 284 of the 298 features both are tested on.

To see what in your email Apple Mail 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