The easiest way would be to create a custom table-style view of your
Calendar folder that only shows the items you need to delete, then select
all (CTRL+A) and press Delete.

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 have about 800 appointments I need to delete from my Outlook
> calendar because I changed places of employment and old appointment
> names & dates need to be confidential in my new place. How can I
> delete them most easily?