min-width in Outlook Classic
Not supported min-width is not supported in Outlook Classic.
Works in 20 of 21 · not supported in 1
Which clients
- Works
- 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, Thunderbird, HEY Mail, Proton Mail, AOL Mail, Fastmail, Superhuman
- Not supported
- Outlook Classic
Your reader in Outlook Classic sees the email without min-width, even if it looks right where you tested it.
What to do instead in Outlook Classic
Use a fixed width instead of min-width for Outlook compatibility
<!-- Outlook ignores min-width. Use a fixed width or a spacer. -->
<td width="200" style="width: 200px;">Content</td> Show the original
<td style="min-width: 200px;">Content</td> A free account opens all 21 clients and keeps your checks for 7 days. Create a free account →
What Outlook Classic does with min-width
The Emailens probe for min-width on 3 real installs counted as Outlook Classic, captured 14 Oct 2026. It shows the problem, not the fix. Where min-width is supported it shows: bar is at least 300px.
caniemail: min-width is not supported in Outlook Classic.
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
- 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 · min-width in every client
Questions
- How many email clients support min-width?
- It works in 20 of 21, not supported in Outlook Classic.
- What do I use instead of min-width in Outlook Classic?
- Use a fixed width instead of min-width for Outlook compatibility.
- Does min-width work in AOL Mail?
- min-width works 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
The checker needs a computer screen.
Real captures 14 Oct 2026 on 11 installs · caniemail (MIT) via @emailens/engine 0.18.22 · tested upstream 29 Nov 2021 · data last changed 10 Nov 2026 · Outlook (New) cells are the engine's mapping