File | Import and Export in Outlook. You'll need to prepare the spreadsheet
by creating a named range covering all the rows you want to import.

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Sue Mosher, Outlook MVP
Author of
Microsoft Outlook Programming - Jumpstart for
Administrators, Power Users, and Developers
http://www.outlookcode.com/jumpstart.aspx
> How do I move a list of 100 names and emails from Excel to a Contacts
> Folder?