Nope. Unfortunately, there's never been an option to suppress that prompt.

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Herb Tyson MS MVP
Author of the Word 2007 Bible
Blog: http://word2007bible.herbtyson.com
Web: http://www.herbtyson.com
> Is there any way to get Word to automatically update the entire table
> of contents when field are updated?
>
> When I print or if I manually update fields, I always get this prompt.
> I always want the entire table updated without prompting.