1. Step one is to sign into Office 365.Link: www.office.com
2. Select outlook from your listed apps.
3. Left click the calendar button at the bottom left corner of the screen.
4. Right-click the calendar that you would like to share. Then left click Sharing permissions.
5. Add the user's email in the provided box.
6. Set the user's permissions for the calendar. Click share. Then the user should show up at the bottom of the list.
7. Finally, the user should get an email with a click-able link in it that link should say "add this calendar" not "accept".