Describes the cause and action for error messages.
can not delete columns
microsoft office - Excel spreadsheet with max rows ...
Unable to insert rows or columns in Excel 2013
worksheet function - Cannot delete created excel table
Can't insert cells in Excel 2010 - "operation not ...
Cannot delete a column that contains multiple tables - Stack Overflow
Microsoft Excel Can't insert new cells
Excel will not let me delete a row
Deleting columns in protected worksheet
I cannot delete or can not remove row header in Excel 2013, 2016 ...