You can turn off automatic date completion:
http://word2007bible.herbtyson.com/2007/05/28/turning-off-date-autocomplete-in-w
ord-2007/
Hope this helps...

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Herb Tyson MS MVP
Author of the Word 2007 Bible
Blog: http://word2007bible.herbtyson.com
Web: http://www.herbtyson.com
> When I write "2007" and then push the button "Enter", Word 2007 adds
> automatically month and day. How can I stop this behaviour?
> Someone has suggested to add "shift" when I type "enter". But why I have
> to be forced to remember that I must hold the button "shift", whenever I
> type "2007" and "Enter"?