|Please note that these instructions refer to using OWA on Exchange server 2010, not the more recent Exchange server 2013. For the latest OWA instructions, please see Using Outlook Web App.
If you are not sure which version of OWA you are using, please refer to this document.
- Navigate to the Calendar Screen
- Right click on the calendar. Select Share > Share this Calendar
- Type the email address of the person you'd like to share the calendar with. Select the appropriate level of access. Click Send.
Find the email, open it and click Add this Calendar