Microsoft Calendar Issues. I have one user that is having issues with a shared calendar. If you're using outlook for windows, see fixes or workarounds for recent issues in outlook for windows.
A few end users are reporting issues like i have never seen in outlook calendars before. Resources for the top outlook issues in microsoft 365.
Share Your Calendar In Outlook.com.
A) open outlook > press ctrl + 6 keys.
If You're Using Outlook For Windows, See Fixes Or Workarounds For Recent Issues In Outlook For Windows.
Add a shared (teams room in my case) on prem.
Resources For The Top Outlook Issues In Microsoft 365.
Images References :
Outlook 2013, Microsoft Outlook 2010, Microsoft Office.
Outlook client for windows 10, microsoft 365.
Calendar For Windows 10 Mail For Windows 10.
Use the windows store apps troubleshooter.
Also, Check If You Find Any Report In The Sync Issues Folder By Following Steps Mentioned Below And Post Back The Same: