Script Download:ImportUsersFromCSVFile.zip
http://gallery.technet.microsoft.com/scriptcenter/Bulk-import-the-user-568abc5f

This script can be used by an Office365 administrator to batch add user information from a CSV file.

Sometimes an Office365 administrator must add many users to Microsoft Office365. For example, when an organization first uses Office365, they must import all members to the system.

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You can find more All-In-One Script Framework script samples at http://aka.ms/onescriptingallery