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Does CSS widows Work in HTML Email?

Sets the minimum number of lines in a block container split on a new page, region or column.

Quick Answer

Does widows work in HTML email?

The CSS widows property is supported in Outlook (Mac / Web), Apple Mail, Samsung Email. It is NOT supported in Gmail, Outlook (Windows), Yahoo! Mail. Always include a safe fallback for unsupported clients.

Which Email Clients Support CSS widows?

CSS support for widows across email clients

Email ClientDesktopMobile / WebNotes
Gmail✗ No✗ No—
Outlook (Windows)✗ No?—
Outlook (Mac / Web)✓ Yes✓ Yes—
Apple Mail✓ Yes✓ Yes—
Yahoo! Mail✗ No✗ No—
Samsung Email?✓ Yes—
Thunderbird??—
ProtonMail??—
Fastmail??—

Notes

  • #1 Buggy. `columns` property is stripped which is required for `widows` to work
  • #2 Buggy. `widows` property value is replaced by `auto`
  • #3 Not supported, but Gmail's default styles on the email message container includes the `widows` property. These values are inherited by children elements
  • #4 Webmail rendering depends on browser support

Frequently Asked Questions

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