1. Check that you are connected to the internet
2. Make sure you've updated to the latest version of Excel
3.If the table doesn't automatically update, right-click in an empty area of the table and then choose Refresh
4.Copy and paste the Excel table into OneNote again, replacing the version you previously placed
5.Check to make sure that you are copying and pasting the latest version of the table
6. Right click on the existing Excel table in OneNote online and then select All from the Refresh menu
7. If all else fails, try pasting the table into OneNote as a picture