Dear Jessica,
Good day!
Thank you for posting to Microsoft Community. We are happy to help you.
We are looking into your situation, Please help provide more information for the troubleshooting steps.
Please provide the followings :
- Please provide your outlook for Mac version ?
- Which type of account are your Using Exchange, POP or IMAP ?
- What is the situation when you check from outlook on the web
https://outlook.office.com
Settings
View all outlook settings
Calendar > shared calendars > Publish a calendar.
Please understand that these verifications will help expedite the troubleshooting of your situation.
We look forward to your reply for further assistance. Thanks for your cooperation.
Sincerely.
Mac | Microsoft Community Moderator