To give someone delegate access to your calendar:
1. Sign in to your email account in Outlook Online - go.illinois.edu/webmail
2. Go to the Calendar view
3. Under "My calendars," hover over "Calendar" and click the "..." to bring up options. (You can also RIGHT-click on "Calendar")
4. Choose "Sharing and permissions"
5. Look up the person you want by name or NetID
6. Select that person and change the permissions drop-down to "Delegate"
7. Click "Share" to save
8. Close the window when done
NOTE: Sharing permissions can take up to four hours to go into effect.