Adding words to the spell check dictionary
You can add custom words to the spell check dictionary, such as product names, acronyms, and words that are not found.
1. Choose Tools > User Options then select the Dictionary category.
2. Click Add to add a word to the main dictionary.
The Add Word dialog box opens.
3. Enter the word and click OK.
The word is added. You can also add words to your user dictionary when you check spelling. See Using spell check.
4. Click OK to save the changes.