You could look into Sue Mosher's Slipstick site for
a solution:
Transmit Holidays Form
http://www.slipstick.com/dev/olforms/holiday.htm

Signature
Nikki Peterson [MVP - Outlook]
Hi !
I need to add our unique company holidays into eveyones Calendar. We run
Exchange 2000 and clients are Outlook2002. Is there an easy way to do this ?
Thanks in advance