A family of Microsoft word processing software products for creating web, email, and print documents.
The proofing language can differ from one character to the next. To make sure all of the characters have the correct language setting, first select the entire document (press the shortcut Ctrl+A or click Home > Select > Select All). Then click Review > Language > Set Proofing Language. select the English dialect you want, clear both of the check boxes. and click OK.
If there are still underlined words, go to File > Options > Proofing, and click the "Check Document" button (which may say "Recheck Document" if the spell check has recently been run).