Outlook 2024 Default Calendar Not Showing. Please have a look at it and suggest. Why are the holidays not showing in outlook?

In outlook on the web, select the calendar icon. If i go to the web.
This Is A Very Practical Function In Our.
After this change is implemented:
In The Settings Pane, You Can Change The Time Zone, Date.
Start by navigating to the file tab and selecting.
Outlook 2024 Default Calendar Not Showing Images References :
This Makes My Calendar Active Temporarily, But When I Restart Outlook The Wrong Calendar Is.
Please have a look at it and suggest.
On The File Tab, Click Options, And Then Click Advanced.
My outlook calendar is showing on the right side to the other shared calendars.