First create the Excel file with a column for each field of data that you would normally add when creating a single mailbox. You need a minimum of the firstname, lastname, and mailbox number. The fist line of the spreadsheet should be the header row with your data starting in the second row.
Next, from Call Pilot Manager, select User>Auto Add from the menu. On that screen:
1.)select your user creation template
2.)browse to the Excel file
3.)enter the name of the worksheet in that spreadsheet that contains your data .
4.)Click the "Upload File" button.
At this point you will be able to match your data fields of with the appropiate Call Pilot user creation template field. After that is completed click the "Add Users" button to add the users.