When you find the meeting not showing in outlook calendar, you can reset the calendar view. Follow these steps to reset the view. Open Outlook and tap the 'Calendar' tab. It is present on the bottom left part. Next, launch the 'View' tab. After this, click the option 'View Settings.' Next, hit the option 'Reset Current View.' After doing this, hit 'OK.' Now check if the issue is there. Most probably, you will find the Outlook calendar showing appointments. https://www.limksys.com/outlook-calendar-not-showing-appointments/