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Does CSS hyphenate-character Work in HTML Email?
Sets the character (or string) used at the end of a line before a hyphenation break.
Quick Answer
Does hyphenate-character work in HTML email?
The CSS hyphenate-character property is supported in Apple Mail, Samsung Email. It is NOT supported in Gmail, Outlook (Windows), Outlook (Mac / Web), and others. Always include a safe fallback for unsupported clients.
Which Email Clients Support CSS hyphenate-character?
CSS support for hyphenate-character across email clients
| Email Client | Desktop | Mobile / Web | Notes |
|---|---|---|---|
| Gmail | ✗ No | ✗ No | — |
| Outlook (Windows) | ✗ No | ? | — |
| Outlook (Mac / Web) | ✗ No | ✗ No | — |
| Apple Mail | ✓ Yes | ✓ Yes | — |
| Yahoo! Mail | ✗ No | ✗ No | — |
| Samsung Email | ? | ✓ Yes | — |
| Thunderbird | ? | ? | — |
| ProtonMail | ? | ? | — |
| Fastmail | ? | ? | — |
Notes
- #1 Partial. Does not support encoded character values
Frequently Asked Questions
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