Calendar sharing allows you to share a calendar with another Hosted Email mailbox located on the same cluster. You can share a calendar by doing the following:
1. Click the Modify calendar icon next to the calendar you wish to share.
2. Enter the mailbox of the hosted email mailbox you wish to share the calendar with and click the + icon.
3. Click the Save button.
This user will now be able to see the calendar shared with them inside of their webmail interface.