If your browser or the zoom extension received an update, it may disable the extension. In this case, you will no longer see the button in your calendar. Follow the instructions below to re-enable the Zoom extension.
1. Click on the Menu button in Chrome 
2. Click on Settings
3. Select Extensions
4. Turn on the Zoom extension
5. Refresh your browser (or close and reopen) and verify you now see the "Make it a Zoom Meeting" in your Bmail Calendar
