Fastmail does not offer spellcheck within our web interface. However, spellcheck is a built-in feature within the following browsers:

  • all versions of Microsoft Edge
  • all versions of Firefox
  • Google Chrome 9+
  • Safari 5.1+
  • Opera 11.5+.

These browsers will automatically flag any unrecognized words, usually with a red underline. When you right-click on an underlined word, you'll see a menu of options. You can then choose to correct the word or add it to your dictionary.

If you can't upgrade your browser, you may be able to install a browser add-on to provide spellcheck support. You can check this with your browser provider.

While browsers have spellcheck enabled by default, it's possible to turn it off for:

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