Schedule a Teams meeting from Outlook:
Open Outlook and select Calendar. Click on New Event at the top of the view.
The Teams Meeting will be enabled as soon as you add an attendee to your meeting.
To invite attendees, click on Invite Attendees and start typing their name(s) to locate them in the active directory*. Add your meeting subject, location, start and end time. Then click Send.
*You can also invite people from outside your organization from Outlook. Just be sure to type in their full email address.