NOTE: You can only share a Calendar with colleagues on your contact list.
1. Go to the Calendar tab.
2. On the left panel, click on the calendar you want to share.
3. Click on the gear icon on the right.
4. Select Share.
5. In the pop-up window, enter and select the name(s) of the person(s) with whom you want to share in the Share With field.
6. If required, change the permissions by selecting the appropriate option in the dropdown menu next to the person’s name.
7. Click Update.