overflow in Outlook for Mac
Partial overflow is partly supported in Outlook for Mac.
overflow-block & overflow-inline not supported.
Works in 4 of 21 · partial in 16 · not supported in 1
Which clients
- Works
- Thunderbird, HEY Mail, Fastmail, Superhuman
- Partial
- Gmail, Gmail Android, Gmail iOS, 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, Proton Mail, AOL Mail
- Not supported
- Outlook Classic
Your reader in Outlook for Mac may not see overflow the way you wrote it, even if it looks right where you tested it.
What to do instead in Outlook for Mac
Content will always be visible; design for full content display
<!-- Show full content, or truncate server-side -->
<div style="max-height: 200px;">
Shortened content that fits...
<a href="https://example.com/full">Read more</a>
</div>Show the original
<div style="max-height: 200px; overflow: hidden;">
Long content that gets clipped...
</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 overflow
caniemail record, tested upstream 27 May 2025
- Partial.
overflow-block&overflow-inlinenot supported.
Your next question
- Does border-spacing work in Outlook for Mac?
Works in 17 of 21 · not supported in 2 · 2 untested
fix - Does text-shadow work in Outlook for Mac?
Works in 12 of 21 · not supported in 9
fix - Does animation work in Outlook for Mac?
Works in 5 of 21 · partial in 1 · not supported in 15
fix - Does transform work in Outlook for Mac?
Works in 7 of 21 · partial in 1 · not supported in 13
fix - Does overflow-wrap work in Outlook for Mac?
Works in 2 of 21 · partial in 3 · not supported in 13 · 3 untested
fix - Does table-layout work in Outlook for Mac?
Works in 16 of 21 · not supported in 2 · 3 untested
Questions
- How many email clients support overflow?
- It works in 4 of 21, partial in 16, not supported in Outlook Classic.
- What do I use instead of overflow in Outlook for Mac?
- Content will always be visible; design for full content display.
- Does overflow work in Outlook (New)?
- overflow 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.
No signup · Five clients free, Outlook Classic included · All 21 with an account
The checker needs a computer screen.
Real captures 14 Oct 2026 on 10 installs · caniemail (MIT) via @emailens/engine 0.18.22 · tested upstream 27 May 2025 · data last changed 10 Nov 2026 · Outlook (New) cells are the engine's mapping