Sorry, but those settings are hard-coded and can't be changed by the user.

Signature
Jocelyn Fiorello
MVP - Outlook
*** Messages sent to my e-mail address will NOT be answered -- please reply
only to the newsgroup to preserve the message thread. ***
> I use my calendar as a scheduled reminder for myself and want to set my
> appointment default to Free instead of Busy. Where is the default setting for
> the Free/Busy option?