Email Services/Zimbra User Documentation/Internal sharing

To share the calendar with a colleague at Argonne, so that they can view it and add or edit events, you first need to know that person's Zimbra email address. Let's say that you want to share your calendar with [email protected]. From the Zimbra web page, click the Preferences tab at top right, and then pick Sharing in the Preferences menu at left. At the bottom of the screen, select Calendar as the Folder type, and then click on Share: