SuggestFromMainDictionaryOnly Property
True if Microsoft Word draws spelling suggestions from the main dictionary only. False if it draws spelling suggestions from the main dictionary and any custom dictionaries that have been added. Read/write Boolean.
expression.SuggestFromMainDictionaryOnly
expression Required. An expression that returns an Options object.
Example
This example sets Word to suggest words from the main dictionary only, and then it checks spelling in the active document.
Options.SuggestFromMainDictionaryOnly = True
ActiveDocument.CheckSpelling
This example returns the current status of the Suggest from main dictionary only option on the Spelling & Grammar tab in the Options dialog box (Tools menu).
temp = Options.SuggestFromMainDictionaryOnly