@font-face in Outlook Classic
Not supported @font-face is not supported in Outlook Classic.
Works in 6 of 21 · not supported in 15
Which clients
- Works
- Apple Mail, Apple Mail iOS, Samsung Mail, Thunderbird, HEY Mail, Superhuman
- Not supported
- Gmail, Gmail Android, Gmail iOS, Outlook 365, Outlook (New), Outlook Classic, Outlook iOS, Outlook Android, Outlook for Mac, Yahoo Mail, Yahoo Mail Android, Yahoo Mail iOS, Proton Mail, AOL Mail, Fastmail
Your reader in Outlook Classic sees the email without @font-face, even if it looks right where you tested it.
What to do instead in Outlook Classic
Add web-safe font fallback stack
/* Keep @font-face for clients that support it */
@font-face {
font-family: 'CustomFont';
src: url('custom.woff2') format('woff2');
}
h1 {
font-family: 'CustomFont', Arial, Helvetica, sans-serif;
}Show the original
@font-face {
font-family: 'CustomFont';
src: url('custom.woff2') format('woff2');
}
h1 { font-family: 'CustomFont'; }A free account opens all 21 clients and keeps your checks for 7 days. Create a free account →
What Outlook Classic does with @font-face
@emailens/engine 0.18.22 on the original code
Outlook Classic does not support "@font-face".
Your next question
- Does @media orientation work in Outlook Classic?
Works in 11 of 21 · partial in 1 · not supported in 8 · 1 untested
- Does @media device-pixel-ratio work in Outlook Classic?
Works in 10 of 21 · not supported in 10 · 1 untested
- Does @media hover work in Outlook Classic?
Works in 9 of 21 · not supported in 8 · 4 untested
- Does @media prefers-color-scheme work in Outlook Classic?
Works in 9 of 21 · not supported in 11 · 1 untested
- Does @media prefers-reduced-motion work in Outlook Classic?
Works in 9 of 21 · partial in 1 · not supported in 10 · 1 untested
- Does @supports work in Outlook Classic?
Works in 9 of 21 · not supported in 12
Every feature in Outlook Classic · @font-face in every client
Questions
- How many email clients support @font-face?
- It works in 6 of 21, not supported in 15.
- What do I use instead of @font-face in Outlook Classic?
- Add web-safe font fallback stack.
- Does @font-face work in AOL Mail?
- @font-face is not supported 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.
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caniemail (MIT) via @emailens/engine 0.18.22 · tested upstream 19 Dec 2023 · data last changed 10 Nov 2026 · Outlook (New) cells are the engine's mapping