How many email clients support position?

It works in 2 of 21, partial in 14, not supported in 5.

Does position work in Outlook (New)?

position is partly supported in Outlook (New). Closest to Outlook for Mac: Outlook (New), which agrees on 279 of the 299 features both are tested on.

position in Outlook for Mac

Partial position is partly supported in Outlook for Mac.

Supports sticky but not relative, absolute and fixed.

Works in 2 of 21 · partial in 14 · not supported in 5

Which clients

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

Your reader in Outlook for Mac may not see position the way you wrote it, even if it looks right where you tested it.

What to do instead in Outlook for Mac

Use table-based positioning instead of CSS position

instead

7 lines

<table role="presentation" width="100%" cellpadding="0"
  cellspacing="0" border="0">
  <tr>
    <td valign="top">Content</td>
    <td width="80" valign="top" align="right">Badge</td>
  </tr>
</table>

Show the original

before

6 lines

<div style="position: relative;">
  <div style="position: absolute; top: 0; right: 0;">
    Badge
  </div>
  <p>Content</p>
</div>

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

What Outlook for Mac does with position

caniemail record, tested upstream 16 May 2021

Partial. Supports sticky but not relative, absolute and fixed.

Your next question

Every feature in Outlook for Mac · position in every client

Questions

How many email clients support position?: It works in 2 of 21, partial in 14, not supported in 5.
What do I use instead of position in Outlook for Mac?: Use table-based positioning instead of CSS position.
Does position work in Outlook (New)?: position is partly 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.

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 May 2021 · data last changed 10 Nov 2026 · Outlook (New) cells are the engine's mapping