Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

Mozilla サポートの検索

サポート詐欺に注意してください。 私たちはあなたに通話やショートメッセージの送信、個人情報の共有を求めることはありません。疑わしい行為を見つけたら「迷惑行為を報告」からご報告ください。

詳しく学ぶ
このスレッドはアーカイブに保管されました。 必要であれば新たに質問してください。
アーカイブに保管済み

US English words are not underlined by the spellchecker

Shadow110 replied
Andrew Craucamp

I have set the browser language to English UK. I have installed the English UK dictionary and set it as the default language. I was unable to remove the US dictionary through Firefox itself so I found the dictionary files and renamed [en_US.aff] to [en_US.aff.bak] which seems to have removed US English as a spellcheck option. UK English words are now considered correctly spelled yet US English words such as "customized" are also considered correctly spelled. Is there something I can do to ensure incorrectly spelled words are underlined or is this a bug?

I have set the browser language to English UK. I have installed the English UK dictionary and set it as the default language. I was unable to remove the US dictionary through Firefox itself so I found the dictionary files and renamed [en_US.aff] to [en_US.aff.bak] which seems to have removed US English as a spellcheck option. UK English words are now considered correctly spelled yet US English words such as "customized" are also considered correctly spelled. Is there something I can do to ensure incorrectly spelled words are underlined or is this a bug?

すべての返信 (1)

It seems it is a bit of on and off my self as I use Canadian Dictionary. I seem to have to keep adding my stuff to the dictionary also after using a cleaner.

Copy/Paste about:preferences#general to Address Bar then Enter and make sure it is ticked. Is about all I know.


Please let us know if this solved your issue or if need further assistance.