How to Stop Outlook From Adding Unwanted Online Meetings to Newly Scheduled Calendar Events
If Outlook is automatically adding an unwanted online meeting whenever you schedule new events in your Outlook calendar, you may simply need to turn off the option that controls this behavior. This option is often activated by default through either the Microsoft Teams or Zoom Outlook integrations.
The option, found in Outlook’s Calendar settings, is labeled Add online meeting to all events. Uncheck this option to stop Outlook from automatically adding an online meeting to your new event.
Because Outlook’s settings screens vary among Outlook on the web, Outlook for Windows, and Outlook for Mac, to see full details about finding and changing this setting, visit Determine Whether Outlook Automatically Adds Online Meetings to New Calendar Events.