You can use Outlook for Microsoft 365 for Mac, to schedule an online meeting using either Skype for Business or Microsoft Teams, depending on what's supported in your organization. If your account is configured for dial-in conferencing, the online meeting request will automatically include the phone number and conference ID.
If you're using Skype for Business Online, you can set up new meetings using the Skype for Business Web Scheduler.
To schedule an online meeting in Outlook for Mac, switch to Calendar view.
Add online meeting information by selecting Teams Meeting or Skype Meeting.
Which is available depends on your organization. If your organization uses Skype for Business, see install Skype for Business. If your organization uses Microsoft Teams, the add-in will be installed automatically.
Add invitees to the To field. You can invite entire contact groups (formerly known as distribution lists). Add your meeting subject, location, start time, and end time.
You can also invite people from outside your organization from Outlook. Just be sure to add them as guests before the meeting starts or they will have to join anonymously.