Accept a Microsoft Teams invitation and add it to my calendar

Hello,

I am on MacOS with latest version of OS and eMClient.
I receive an e-mail with a Microsoft Teams invitation for a meeting.
I click to accept the invitation but I am unable to add this event to my Mac Calendar.
My eMClient software is configured to access all my Mac Calendars.

How do I do this ? => Create an appointment in my calendar for the Teams meeting.

Thanks for your help. I am desperate.

Andrew