heathersolomon.com — SharePoint v3 / OL2007 has a two way sync with calendars in Outlook, whereas before it only had a one way sync in the WSSv2 / OL2003 version. So you create a Calendar in a SharePoint site, then go under Actions, select Connect to Outlook. Outlook will then ask you if it is OK to link to the site. By Heather Solomon, SharePoint expert