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- In Outlook, create a new message and click the To button to open the Global Address List (GAL).
- In Outlook 2003, click the Advanced button and select Find. In Outlook 2007 and 2010, click Advanced Find.
- In the last name field, type their complete last name or the first few letters of it.
- Click OK.
- A list will return of every name that meets your search criteria.
- Highlight the person you were looking for and click the To, Cc, or Bcc button, then click OK.
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