Only Outlook 2007 can save calendars in iCal format.
There is a free beta Outlook to iCal conversion utility at
http://www.mhsoftware.com/loader/index.html which many have found useful.
You could download a trial version of Office 2007 and convert from Outlook
2007, but that's rather overkill.
"John D" <JohnD@discussions.microsoft.com> wrote in message
news:7CA01C2E-6442-4F8A-A1B1-558F966A94A9@microsoft.com...
>I saw your reply and thought you'd cracked my problem. But, in Outlook
>2000
> the option to Save As in calendar view is greyed out. Any idea why? Or
> is
> there another solution to transferring Outlook calendar to Vista Windows
> Mail?
> Thanks
>
> "Dominic Payer" wrote:
>
>> When showing your Outlook calendar, go to File - Save As and you can
>> export
>> your Outlook calendar in iCal format.
>>
>> The exported calendar can then be imported to Windows Calendar.
>>
>>
>>
>> "Stan Kay" <stan.kay@ntlworld.com> wrote in message
>> news
4466460-FDA7-4919-B83D-0EA29328E84A@microsoft.com...
>> >I have office Ultimate 2007 and save my calendar items in Outlook. I
>> >notice that Vista Ultimate provides something called Windows Calendar
>> >and
>> >appears to duplicate the Outlook calendar. Can anyone please tell me
>> >whether there is a way to import calendar files from Outlook into
>> >Windows
>> >calendar?
>>
>>
>>