Outlook does not support multiple events in one iCal file. See this page
for how to include multiple events in a file usable in Outlook:
http://www.slipstick.com/calendar/holidays.htm#company

--
Milly Staples [MVP - Outlook]

Post all replies to the group to keep the discussion intact. All
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reading.

After furious head scratching, Dave wrote:

| I am trying to create multiple events in an .ics (iCal) file for
| distribution to multiple users running various versions of Outlook.
| Users having Outlook 2003 can't import the file into Outlook and get
| an error message.
| The .ics file is fully compatible with the iCalendar specification.
| Can anyone help me figure out what's wrong? The file imports
| successfully into Outlook 2007.
| Here's the file's text:
|
| BEGIN:VCALENDAR
| BEGIN:VEVENT
| SUMMARY:test
| LOCATION:sample location
| DESCRIPTION:sample description
| CATEGORIES:Holiday
| DTSTART:20070921
| DTEND:20070922
| CLASS:PUBLIC
| TRANSP:TRANSPARENT
| END:VEVENT
| END:VCALENDAR