Creating and Deleting Outlook Calendars
Even if minical is already connected to Outlook Calendar, you cannot create or delete Outlook calendars from within the minical app.
To create or delete calendars, please use Outlook Calendar on a computer via the web and follow Microsoft’s official instructions below.
Create a Calendar
Create additional calendars - Microsoft Support
Create additional calendars when you want to track personal appointments, projects, or family activities separately from your main Outlook calendar.

Delete a Calendar
Delete a calendar - Microsoft Support
Any calendar that you have created can be deleted except the primary Outlook calendar which is used for meeting requests that you send and accept.

Related Questions