How to share calendar on WorldPosta webmail OWA.
1. In Calendar page, click (below the navigation bar). A dialogue box will appear
3. In Share With field, enter the name or Email of the user to share your calendar with.
4. Click Send.
-You can only share your calendar, you cannot share other users’ shared calendars.
-You can share your calendar with any users hosted on WorldPosta (inside or outside your organization).
-You can grant other users permission to access, view, edit your calendar, and respond to meeting requests on your behalf.