text-overflow
CSS property · 12 supported, 2 partial, 7 unsupported across 21 clients
Client Support
| Client | Category | Engine | Support |
|---|---|---|---|
| Gmail | webmail | Gmail Web | Supported |
| Gmail Android | mobile | Gmail Mobile | Partial |
| Gmail iOS | mobile | Gmail Mobile | Partial |
| Outlook 365 | webmail | Outlook Web | Supported |
| Outlook (New) | desktop | Outlook Web | Unsupported |
| Outlook Classic | desktop | Microsoft Word | Unsupported |
| Outlook iOS | mobile | Outlook Mobile | Supported |
| Outlook Android | mobile | Outlook Mobile | Supported |
| Outlook for Mac | desktop | WebKit | Supported |
| Apple Mail | desktop | WebKit | Supported |
| Apple Mail iOS | mobile | WebKit | Supported |
| Yahoo Mail | webmail | Yahoo | Unsupported |
| Yahoo Mail Android | mobile | Yahoo | Unsupported |
| Yahoo Mail iOS | mobile | Yahoo | Unsupported |
| Samsung Mail | mobile | Samsung | Unsupported |
| Thunderbird | desktop | Gecko | Supported |
| HEY Mail | webmail | WebKit | Supported |
| Proton Mail | webmail | Proton | Supported |
| AOL Mail | webmail | AOL | Unsupported |
| Fastmail | webmail | Fastmail | Supported |
| Superhuman | desktop | Blink | Supported |
Client-by-client behaviour for text-overflow
Fully supports text-overflow (12): Gmail, Outlook 365, Outlook iOS, Outlook Android, Outlook for Mac, Apple Mail, Apple Mail iOS, Thunderbird, HEY Mail, Proton Mail, Fastmail, Superhuman.
Partial support (2): Gmail Android, Gmail iOS. Expect rendering quirks unique to each engine. Partial support typically means a subset of values, an ignored shorthand, or sanitizer-specific rewrites.
No support (7): Outlook (New), Outlook Classic, Yahoo Mail, Yahoo Mail Android, Yahoo Mail iOS, Samsung Mail, AOL Mail. Plan fallbacks for these clients before relying on text-overflow in production sends.
Fixes & Workarounds
Outlook (New)
Unsupportedtext-overflow requires overflow:hidden which is stripped by Gmail. Truncate content server-side.
Outlook Classic
Unsupportedtext-overflow requires overflow:hidden which is stripped by Gmail. Truncate content server-side.
Yahoo Mail
Unsupportedtext-overflow requires overflow:hidden which is stripped by Gmail. Truncate content server-side.
Yahoo Mail Android
Unsupportedtext-overflow requires overflow:hidden which is stripped by Gmail. Truncate content server-side.
Yahoo Mail iOS
Unsupportedtext-overflow requires overflow:hidden which is stripped by Gmail. Truncate content server-side.
Samsung Mail
Unsupportedtext-overflow requires overflow:hidden which is stripped by Gmail. Truncate content server-side.
AOL Mail
Unsupportedtext-overflow requires overflow:hidden which is stripped by Gmail. Truncate content server-side.
Gmail Android
Partialtext-overflow requires overflow:hidden which is stripped by Gmail. Truncate content server-side.
Gmail iOS
Partialtext-overflow requires overflow:hidden which is stripped by Gmail. Truncate content server-side.
Related Features
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Try Emailens FreeSupport data last updated Apr 27, 2026 · synced from caniemail.com via @emailens/engine.