Let's Just Admit Everyone Uses Zoom
I am too polite to (repeatedly) tell people who send me Zoom notices that it is actually easier for everyone to send it as a calendar invite, so here is how to add Zoom to your calendar.
This is from the Zoom Site BTW.
You can install the Zoom for Outlook add-in for your own use if installing add-ins is permitted by your Office 365 admin.
Zoom for Outlook