Nothing will ruin a professional appearance faster than spelling errors. Even if you're not a bad speller, you're bound to make a mistake or two, so having background spell-checking is convenient.
Expression Web 3 uses the spell-checking feature from Microsoft Office. This affords you a couple of advantages. First, you benefit from the fact that Office's spell-checker is mature and therefore reliable and robust. Second, if you also have Office installed on your computer, Expression Web 3 will share the custom dictionary from your Office applications. Therefore, any words you add to your dictionary in Word will also be recognized in Expression Web 3. If you choose, Expression Web 3 will underline words it believes to be misspelled with a red line. Right-clicking the underlined text will present you with a menu, allowing you to ignore the problem or take some action to correct it.
To configure the spelling options, select Tools, Spelling, Spelling Options to display the Spelling Options dialog shown in Figure 3.11. You can then change the spelling options or edit the words in your custom dictionary.
Figure 3.11 Spelling options are configured in the Spelling Options dialog. From here, you can also edit your custom dictionary.