Change table name in Excel Online
Unfortunately, In Excel Online, The "properties" section that holds the "Change Table Name" option is NOT available in Table Tools.
Therefore, It's not possible to change the table name in Excel Online.
Workaround to change table name Excel Online
As a workaround, you should do the following:
Open the Excel file in Excel Desktop Application by clicking on "Open in Desktop App".
- Select your table.
- Go to "Table Tools", "Design", you should find the "Properties" Section.
At Table name, specify your preferred table name.
- Save your file to reflect your changes back to the Excel Online file.