The Outlook Zoom add-in will allow you to schedule zoom meetings in Outlook Desktop or Outlook Web App (OWA).
Once configured, Use the Outlook Zoom add-in.
Configure Outlook Zoom for your Office 365 Account for both Outlook and OWA
- Logon to OWA: https://outlook.office365.com
- Go to Calendar view
- Select "New event" or select a time to create an appointment and double-click
- Select the ellipse (...) in the ribbon in the new appointment
- Choose Get Add-insOpen Outlook, Go to the Home tab.
- In the ribbon, select the "add-in" icon. Depending on your version you may see one of the following icons:
or 
- select "Add Apps"
- Search for "Zoom for Outlook"
- Select "Add" and follow the prompts
Go back to the new appointment and close it.- The next time you create an appointment, Zoom will be an option
- In Outlook, in a Zoom section in the ribbon of a new appointment
- In OWA under the ellipse (...) menu in the new appointment ribbon.