min-width in Outlook 365
Works min-width works in Outlook 365.
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
The fix for the clients that need it
Needed in 1 of 21: 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 365 does with min-width
The Emailens probe for min-width on a real install counted as Outlook 365, captured 14 Oct 2026. It shows the probe, not the fix. Where min-width is supported it shows: bar is at least 300px.
caniemail: min-width works in Outlook 365.
This Outlook.com install drops the <style> in the head, so only inline styles apply.
Your next question
- Does animation work in Outlook 365?
Works in 5 of 21 · partial in 1 · not supported in 15
fix - Does transform work in Outlook 365?
Works in 7 of 21 · partial in 1 · not supported in 13
fix - Does overflow-wrap work in Outlook 365?
Works in 2 of 21 · partial in 3 · not supported in 13 · 3 untested
fix - Does bimi work in Outlook 365?
Works in 9 of 21 · not supported in 11 · 1 untested
- Does clip-path work in Outlook 365?
Works in 8 of 21 · not supported in 13
- Does block-size work in Outlook 365?
Works in 7 of 21 · not supported in 13 · 1 untested
Questions
- How many email clients support min-width?
- It works in 20 of 21, not supported in Outlook Classic.
- Does min-width work in Outlook (New)?
- min-width works in Outlook (New). Outlook 365 and Outlook (New) differ on 1 feature: text-shadow.
To see what in your email Outlook 365 does not support, paste the whole email.
No signup · Five clients free, Outlook Classic included · All 21 with an account
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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