← CSS Support Index

Does CSS user-select Work in HTML Email?

Controls whether the user can select text.

Quick Answer

Does user-select work in HTML email?

The CSS user-select 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 user-select?

CSS support for user-select across email clients

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

Notes

  • #1 Works with `-webkit` prefix
  • #2 `all` value does not work
  • #3 Property is stripped from style tag

Frequently Asked Questions

Test Your Email Now

Paste your HTML and see how it renders in clients that don't support
user-select.

Open Email Previewer

Building a new email instead of checking an existing one? MailViewr's Email Builder only lets you use CSS that's known to render across clients, so user-select can't sneak into your markup by accident. Open the Email Builder →